Your care team

Care from the best in medicine.

Meet the U.S.-licensed, board-certified clinicians prescribing on the OPTML platform.

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Dr. Takashi Nakamura, MD, FACEP

Chief Medical Officer

Emergency Medicine Digital Health

Dr. Takashi Nakamura, MD

Board-certified emergency medicine physician with 11+ years of clinical practice. Digital health executive overseeing medical operations and prescribing protocols.

Dr. Laurie J. Mercier, MD

Medical Director

Family Medicine Primary Care

Dr. Laurie J. Mercier, MD

Board-certified family physician with 30+ years of clinical experience. Leads patient-centered clinical strategy and primary care operations.

Dr. Stephen MacDade, MD

Emergency Medicine Physician

Telehealth Men’s Health

Dr. Stephen MacDade, MD

Board-certified emergency medicine physician with 10+ years of clinical experience. Telehealth, acute care, and men’s health.

Dr. Scott Sanderson, MD

Emergency Medicine Physician

Military Medicine Aesthetic & Regenerative Care

Dr. Scott Sanderson, MD

Board-certified emergency medicine physician with a background in military medicine. Aesthetic and regenerative care.

Kimberli Hastings, MSN, RN, NP

Family Nurse Practitioner

Family Medicine Mental Health

Kimberli Hastings, MSN, RN, NP

Family Nurse Practitioner specializing in family medicine and mental health. Clinical experience since 2019.

Provider licensure by state

Below is the full state-by-state licensure roster for the U.S.-licensed clinicians in our prescribing network. Data is provided by our prescribing partner and is current as of the date displayed. Tap a state to expand.

Last updated: June 11, 2026 · States covered: 52 · Total provider entries: 241

Alabama3 providers
ProviderTitleLicense #Expiration
Brittain KulowMD528332026-12-31
Daniel FunschMD2158992026-12-31
Laurie MercierMD965492026-12-31
Alaska5 providers
ProviderTitleLicense #Expiration
Theresa VergaraMD2076182026-11-30
Jerry CattelaneDO2333532026-12-31
Laurie MercierMD2363062026-12-31
Laurenmarie Cormier—2000722026-11-30
Dina WhiteakerNP1455302026-11-30
Arizona7 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP2889582026-07-29
Theresa VergaraMD2845772026-10-31
Ogadinma ObieMD735762026-03-11
David WeberMD251292026-11-05
Muhammad UsmanMD772572027-07-26
Edilberto AtienzaMDTHMD000982026-03-13
Garauv PatelMD720102027-06-06
Arkansas5 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP2298432026-07-31
Daniel FunschMDE-144892026-10-31
Laurie MercierMDT2025-0892026-04-30
Dina WhiteakerNP211032026-08-31
Frank SuppaDOE-184542027-03-31
California6 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMD20A239202027-03-31
Kimberli HastingNP950289542026-08-31
Theresa VergaraMD950242292027-02-28
Ogadinma ObieMD1482502026-11-30
Muhammad UsmanMD1939982026-04-30
Timothy MeyersMD763252027-04-30
Colorado6 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMDDR.00533262027-04-30
May-Lynn ChuMDCDR.00009642026-04-20
Jerry CattelaneDODR.00732092027-04-30
Muhammad UsmanMDCDR.00052092027-04-30
Garauv PatelMDCDR.00033662027-04-30
Timothy MeyersMDCDRH.00414012027-04-30
Connecticut3 providers
ProviderTitleLicense #Expiration
Theresa VergaraMD118732027-01-31
Jerry CattelaneDO797792026-06-30
Daniel FunschMD766102026-10-31
DC4 providers
ProviderTitleLicense #Expiration
Kimberli HastingNPNP5000174662026-07-31
Theresa VergaraMDNP5000082422026-06-30
Jerry CattelaneDODO2100125352026-06-30
Dawn AdamsMDMD317692027-01-31
Delaware4 providers
ProviderTitleLicense #Expiration
Craig WalkerNPLG-00118672027-09-30
Jerry CattelaneDOC2-00246832027-03-31
Kimberli HastingsNPLG-00117502027-09-30
Laurie MercierMDC1-00261292027-03-31
District of Columbia4 providers
ProviderTitleLicense #Expiration
Dina WhiteakerNPNP5000121152027-06-30
Daniel FunschMDMD6000018912026-10-31
Kristine ClementsNPNP5000017902026-06-30
Dawn AdamsMDMD317692027-01-31
Florida8 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMDME1160822027-01-31
May-Lynn ChuMDOS 218572026-03-31
Kimberli HastingNP110247762026-07-31
Theresa VergaraMD110253302026-07-31
Yuhang JiaMDME1700872027-01-31
Jerry CattelaneDOOS101612026-03-31
Garauv PatelMDME1733552027-01-31
Timothy MeyersMDME1719082027-01-31
Georgia4 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMD682442026-08-31
May-Lynn ChuMD874002026-08-31
Kimberli HastingNPGAA-NP0014362027-01-31
Muhammad UsmanMD977792027-07-31
Hawaii4 providers
ProviderTitleLicense #Expiration
Theresa VergaraMDAPRN39552027-06-30
Frank SuppaMDDOS-28862026-06-30
Laurie MercierMDMD-25069-02028-01-31
Dina WhiteakerNP26862027-06-30
Idaho4 providers
ProviderTitleLicense #Expiration
Jerry CattelaneDO44618772026-06-30
Muhammad UsmanMD48715592026-06-30
Dina WhiteakerNP664622027-08-31
Daniel FunschMD98613622026-06-30
Illinois8 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMD36.1550392026-07-31
Kimberli HastingNP2090294592026-05-31
Theresa VergaraMD209.0269912026-05-31
Ogadinma ObieMD361698432026-07-31
Jerry CattelaneDO361736882026-07-31
Muhammad UsmanMD361748142026-07-31
Garauv PatelMD361677892026-07-31
Timothy MeyersMD361735982026-07-31
Indiana5 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP71015635A2026-07-29
Theresa VergaraMD71014003A2026-10-31
Stephen MacdadeMD01095435A2027-10-31
Yuhang JiaMD01096062A2027-10-31
Timothy MeyersMD01095729A2027-10-31
Iowa4 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMDDO-057112026-08-01
Kimberli HastingNPA1709212026-07-29
Theresa VergaraMDH1728862026-10-31
Daniel FunschMDMD-533922026-10-01
Kansas5 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP804102026-07-31
Stephen MacdadeMD04-509482026-07-31
May-Lynn ChuMD05-483832026-10-31
Jerry CattelaneDO05-497632026-10-31
Muhammad UsmanMD04-509862026-07-31
Kentucky4 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMDC37162027-02-28
Kimberli HastingNP40004322026-10-31
Brittain KulowMDC50332027-02-28
Emmanuel OkeMDC51252027-02-28
Louisiana4 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP2296402026-07-31
May-Lynn ChuMD3454442026-08-31
Laurie MercierMD3364502027-04-30
Timothy MeyersMD3452332026-10-31
Maine4 providers
ProviderTitleLicense #Expiration
Kimberli HastingNPCNP2114192026-07-29
Theresa VergaraMDCNP2311112027-01-06
Daniel FunschMDMD284622026-10-31
Jerry CattelaneDODO38872026-06-30
Maryland4 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMDH00985512026-09-30
Kimberli HastingNPAC0054022026-07-28
Daniel FunschMDD01009822026-09-30
Edilberto AtienzaMDD00849212026-09-30
Massachusetts4 providers
ProviderTitleLicense #Expiration
Kimberli HastingNPRN23798842026-07-29
Theresa VergaraMDRN23811532028-01-06
Laurie MercierMD102330012026-04-22
Daniel FunschMD10170822026-10-17
Michigan7 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMD43015130512027-09-26
May-Lynn ChuMDEMC00007202026-12-01
Theresa VergaraMD47043922272026-05-25
Ogadinma ObieMDEMC00049632027-04-08
Yuhang JiaMD43015125962027-08-14
Jerry CattelaneDO51010137572027-09-25
Muhammad UsmanMD4​3​0​1​5​0​9​9​7​22026-06-12
Minnestota3 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP69442026-07-31
Dina WhiteakerNP92312026-08-31
Jerry CattelaneDO782952026-06-30
Mississippi3 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP9059232026-12-31
Theresa VergaraMD9061202026-12-31
Laurie MercierMD328102026-06-30
Missouri4 providers
ProviderTitleLicense #Expiration
May Lynn ChuMD20250171632027-01-03
Kimberli HastingNP20230118942026-07-29
Laurie MercierMD20250060222027-01-31
Dina WhiteakerNP20190075242026-10-31
Montana6 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMDMED-PHYS-LIC2026-03-31
May-Lynn ChuMD1149292026-03-31
Kimberli HastingNPAPRN2128092026-12-31
Theresa VergaraMDNUR-APRN-LIC-2147012026-12-31
Ogadinma ObieMD1410272026-03-31
Jerry CattelaneDOMED-PHYS-LIC-1457992026-03-31
Nebraska4 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMDCOPS2642026-10-01
Kimberli HastingNP1137742026-10-31
Theresa VergaraMD94065 & 1139292026-10-31
Jerry CattelaneDO29752026-10-01
Nevada3 providers
ProviderTitleLicense #Expiration
Daniel FunschMD259312027-06-30
Kimberli HastingNP8753242026-07-29
Theresa VergaraMD8650602027-01-06
New Hampshire4 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMD339082026-10-25
Ogadinma ObieMD320552026-04-18
Jerry CattelaneDO335842026-08-12
David WeberMD162482027-06-30
New Jersey4 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMD25IB125545002027-06-30
Kimberli HastingNP26NJ150816002026-05-31
Garauv PatelMD25IA124971002027-06-30
Timothy MeyersMD25IA125345002027-06-30
New Mexico3 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP722892026-07-29
Theresa VergaraMD727112026-10-31
Jerry CattelaneDODO2024-00742028-07-01
New York8 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMD3375782027-05-31
May-Lynn ChuMD3363732027-03-31
Kimberli HastingNP3570212028-05-31
Theresa VergaraMD4315172027-12-30
Andrea MontanaMD9826112028-02-29
Jerry CattelaneDO2218622027-05-31
David WeberMD1895612026-10-31
Timothy MeyersMD3354182027-02-28
North Carolina3 providers
ProviderTitleLicense #Expiration
Daniel FunschMD2024-000522026-10-17
Timothy MeyersMD2025-011272026-10-18
Kimberli HastingsNP50179642026-07-31
North Dakota4 providers
ProviderTitleLicense #Expiration
Kimberli HastingNPR513932026-12-31
Theresa VergaraMDR541692026-12-31
Jerry CattelaneDOPT 222002026-06-29
Muhammad UsmanMD199522026-07-26
Ohio6 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMD35.1530872027-04-02
May-Lynn ChuMD34C.0000192026-08-14
Theresa VergaraMDAPRN.CNP.00335432027-10-31
Ogadinma ObieMD35C.0015042026-04-19
Jerry CattelaneDO34.0174222026-08-02
Muhammad UsmanMD35.148662027-06-15
Oklahoma3 providers
ProviderTitleLicense #Expiration
Kristine ClementsNP2118812026-08-31
Kimberli HastingNP2125222026-07-31
Daniel FunschNP440542026-07-01
Oregon4 providers
ProviderTitleLicense #Expiration
Laurie MercierMDMD2246132027-12-31
Kimberli HastingNP100230012026-07-29
Kristine ClementsNP200650135NP2026-08-30
Dina WhiteakerNP2021140232026-08-01
Pennsylvania6 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMDOS024169C2026-10-31
Theresa VergaraMDSP0283652026-10-31
Yuhang JiaMDMD488876C2026-12-31
Jerry CattelaneDOOS0246972026-10-31
Muhammad UsmanMDMD4818122026-12-31
Timothy MeyersMDMD488166C2026-12-31
Rhode Island3 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP34702027-03-01
Theresa VergaraMDAPRN036192027-03-01
Edilberto AtienzaMDMD171152026-06-30
South Carolina7 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMDMMD.947012027-06-30
May-Lynn ChuMD946752027-06-30
Kimberli HastingNP27301A2026-04-30
Theresa VergaraMDAPN.27356.APRN2026-04-30
Jerry CattelaneDO878622027-06-30
Garauv PatelMD911372027-06-30
Timothy MeyersMD944532027-06-30
South Dakota3 providers
ProviderTitleLicense #Expiration
Kimberli HastingNPCP0017482026-07-29
Theresa VergaraMDCP0028032027-01-06
Laurie MercierMD144542027-03-01
Tennessee8 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMD727652027-08-31
May-Lynn ChuMD54392026-08-31
Kimberli HastingNP337252026-07-31
Jerry CattelaneDO49342026-06-30
David WeberMD123772026-02-28
Muhammad UsmanMD672402027-07-31
Garauv PatelMD731972027-02-28
Timothy MeyersMD735452026-10-31
Texas7 providers
ProviderTitleLicense #Expiration
Anesia DelphineNPAP-1290292026-06-30
Kimberli HastingNP10483292026-07-31
Yuhang JiaMDQ65202026-11-30
Jerry CattelaneDOU24532027-05-31
David WeberMDU27562026-05-31
Muhammad UsmanMDV81802026-05-31
Dawn AdamsMDR08212027-02-28
Utah6 providers
ProviderTitleLicense #Expiration
Frank SuppaMD12764439-12342026-05-31
May-Lynn ChuMD13575989-12042026-05-31
Russell VanMaeleMD11868389-12042026-05-31
Andrew SaklaMD10385749-12042026-05-31
Yuhang JiaMD14209145-12352028-01-09
Jerry CattelaneDO13933634-12042026-05-31
Vermont3 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP101.01354722026-03-31
Laurie MercierMD42.00174222026-11-30
Theresa VergaraMD101.01363132027-03-31
Virginia6 providers
ProviderTitleLicense #Expiration
Stephen MacdadeMD1012842202026-08-31
May-Lynn ChuMD1022069392026-08-31
Kimberli HastingNP241867152026-07-31
Jerry CattelaneDO1022074492026-06-30
David WeberMD1012539652026-11-30
Edilberto AtienzaMD1012654322026-05-31
Washington3 providers
ProviderTitleLicense #Expiration
Hridayesh NatMDMD613622592027-02-20
Kimberli HastingsNP614276612027-07-29
Jerry CattelaneDOOP615518262026-06-29
West Virginia3 providers
ProviderTitleLicense #Expiration
Hridayesh NatMD334342027-06-30
Knox BeasleyMD306872027-06-30
Laurie MercierMD326182027-06-30
Wisconsin5 providers
ProviderTitleLicense #Expiration
May-Lynn ChuMD64755-212027-10-31
Kimberli HastingNP100639-8752026-09-30
Theresa VergaraMD14093-332026-09-30
Yuhang JiaMD13298-3202027-10-31
Jerry CattelaneDO81723 - 212027-10-31
Wyoming3 providers
ProviderTitleLicense #Expiration
Kimberli HastingNP518922026-12-31
Theresa VergaraMD523142026-12-31
Laurie MercierMD16498C2026-06-30

Prescribing services on the OPTML platform are provided through a U.S. physician-led telehealth network (our U.S.-licensed physician network). The complete state-by-state licensure roster is published above. Licensure information is provided by our prescribing partner and is current as of the date displayed; we update this roster on at least a quarterly basis or sooner if a license status changes.