Isabel Anna Clark, MD
Psychiatry Physician · Durham, NC
Isabel Anna Clark, MD is a psychiatry physician with a practice address in Durham, North Carolina, and NPI 1740809847, issued on Apr 9, 2020. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isabel Anna Clark
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- T8513 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3643 N Roxboro St, Durham, NC 27704
- Phone
- (919) 684-0100
- Enumerated
- Apr 9, 2020
- Record last updated
- Aug 4, 2026
- Medicare enrollment
- Enrolled (PECOS I20240510001206); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,725 in North Carolina → Look up another NPI →
Also registered at 3643 N Roxboro St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isabel Anna Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average psychiatry physician in 2024
103 Medicare Part D claims for 24 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Trazodone Hcl21 claims
- Bupropion Xl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $21.46
1 payment: food and beverage; the largest payer was Lundbeck LLC. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabel Anna Clark among 1,725 psychiatry physician records in North Carolina
Isabel Anna Clark, MD is one of 1,725 psychiatry physician records with a practice address in North Carolina. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2020 · median 2006 among the 744 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
209 psychiatry physician records list a practice address in Durham
They are 209 of the 13,451 NPPES records with a practice address in Durham, and 1,725 psychiatry physician records in North Carolina.
All 1,725 in North Carolina → Every provider in Durham → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Julie Adams, MDDurham, NC 277041295753440
- Krista Barbour, PHDDurham, NC 277041831272079
- Gregory Brown, M.D.Durham, NC 277041881984094
- Mark Heine, MDDurham, NC 277041336111608
- Valerie Holmes, MDDurham, NC 277041871602532
- Margaret Maytan, MDDurham, NC 277041881616787
- Leslie Montana, MD, MPHDurham, NC 277041982794863
- Scott Moore, M.D.Durham, NC 277041902988207
Common questions
What is Isabel Anna Clark, MD's NPI number?
Isabel Anna Clark, MD's National Provider Identifier (NPI) is 1740809847, issued on Apr 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Isabel Anna Clark, MD located?
The NPPES record lists a practice address at 3643 N Roxboro St, Durham, NC, 27704. Phone: (919) 684-0100. Providers update this record themselves, so call before visiting.
How can I verify Isabel Anna Clark, MD's license?
Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isabel Anna Clark, MD prescribe under Medicare Part D?
In 2024, Isabel Anna Clark, MD had 103 Medicare Part D claims for 24 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.