Mark Warren, M.D.
Endocrinology, Diabetes & Metabolism Physician · Greenville, NC
Mark Warren, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Greenville, North Carolina, and NPI 1629073010, issued on Jun 14, 2005. Check the license (North Carolina 37973, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Warren
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 37973 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1006 WH Smith Blvd, Greenville, NC 27834
- Phone
- (252) 413-6683
- Enumerated
- Jun 14, 2005
- Record last updated
- Jun 29, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (252) 413-6603
- Medicaid ID
- 7985816 NC
- Medicare enrollment
- Enrolled (PECOS I20050927000925); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 289 in North Carolina → Look up another NPI →
Also registered at 1006 WH Smith Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Regina Dodis, D. O.Endocrinology, Diabetes & Metabolism Physician1649297722
- Matthew Hager, M.D.Endocrinology, Diabetes & Metabolism Physician1841606308
- Claude Robey, MDEndocrinology, Diabetes & Metabolism Physician1679577423
Verify Mark Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 37973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
12,505 Medicare Part D claims for 816 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims. 105 claims were for opioids.
Most prescribed
- Ozempic821 claims
- Levothyroxine Sodium696 claims
- Metformin Hcl Er335 claims
- Atorvastatin Calcium327 claims
- Tresiba Flextouch U-200261 claims
- Synthroid260 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: $65,629.93
188 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Physicians East PAGreenville, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Warren among 289 endocrinology, diabetes & metabolism physician records in North Carolina
Mark Warren, M.D. is one of 289 endocrinology, diabetes & metabolism physician records with a practice address in North Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1984 · median 2003 among the 203 with a school on file
- Record last updated2015 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in North Carolina
There are 289 endocrinology, diabetes & metabolism physician records in North Carolina.
All 289 in North Carolina → Every provider in Greenville → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Madhavi Averneni, MDGreenville, NC 278341710171954
- Mohammad Azad, MDGreenville, NC 278341356699904
- Fiona Cook, MDGreenville, NC 278341467455600
- Moahad Dar, M.D.Greenville, NC 278341083665392
- Regina Dodis, D. O.Greenville, NC 278341649297722
- Almond Drake, MDGreenville, NC 278341114928736
- Matthew Hager, M.D.Greenville, NC 278341841606308
- Caroline Houston, M.D.Greenville, NC 278341376748244
Common questions
What is Mark Warren, M.D.'s NPI number?
Mark Warren, M.D.'s National Provider Identifier (NPI) is 1629073010, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Warren, M.D. located?
The NPPES record lists a practice address at 1006 WH Smith Blvd, Greenville, NC, 27834. Phone: (252) 413-6683. Providers update this record themselves, so call before visiting.
How can I verify Mark Warren, M.D.'s license?
NPPES lists North Carolina license number 37973, as entered by the provider. 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 Mark Warren, M.D. prescribe under Medicare Part D?
In 2024, Mark Warren, M.D. had 12,505 Medicare Part D claims for 816 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.