Mark Allen McClanahan, M.D.
Endocrinology, Diabetes & Metabolism Physician · Fredericksburg, VA
Mark Allen McClanahan, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Fredericksburg, Virginia, and NPI 1093840811, issued on Feb 22, 2007. Check the license (Virginia 0101041309, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Allen McClanahan
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 0101041309 VA
Self-reported in NPPES; status is on the state search - Practice location
- 10711 Spotsylvania Ave, Fredericksburg, VA 22408
- Phone
- (540) 891-8499
- Enumerated
- Feb 22, 2007
- Record last updated
- Apr 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 6079041 VA
- Medicare enrollment
- Enrolled (PECOS I20110523000372); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 264 in Virginia → Look up another NPI →
Also registered at 10711 Spotsylvania Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan Urquhart, PA-CMedical Physician Assistant1194867549
Verify Mark Allen McClanahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101041309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
8,143 Medicare Part D claims for 1,017 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims. 20 claims were for opioids.
Most prescribed
- Levothyroxine Sodium726 claims
- Glimepiride500 claims
- Metformin Hcl Er499 claims
- Ozempic479 claims
- Synthroid411 claims
- Metformin Hcl323 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: $469.00
23 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. 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.
Mark Allen McClanahan among 264 endocrinology, diabetes & metabolism physician records in Virginia
Mark Allen McClanahan, M.D. is one of 264 endocrinology, diabetes & metabolism physician records with a practice address in Virginia. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1986 · median 2004 among the 188 with a school on file
- Record last updated2011 · 54% 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 Virginia 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 Virginia
There are 264 endocrinology, diabetes & metabolism physician records in Virginia.
All 264 in Virginia → Every provider in Fredericksburg → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Kehinde Folawewo, M.DFredericksburg, VA 224011710332267
- Brinda Manchireddy, M.DFredricksburg, VA 224011447606488
- Reshma Parab, MDFredericksburg, VA 224011073549325
- Christopher Sonnier, MD, FACE, ECNUFredericksburg, VA 224011598732513
- Kristen Raines, MDAlexandria, VA 223141184393282
- Shivam Champaneri, MDAlexandria, VA 223101932321981
- Oksana Davydov, MDAlexandria, VA 223101740568039
- Tahira Habib, M.D.Alexandria, VA 223101386781870
Common questions
What is Mark Allen McClanahan, M.D.'s NPI number?
Mark Allen McClanahan, M.D.'s National Provider Identifier (NPI) is 1093840811, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allen McClanahan, M.D. located?
The NPPES record lists a practice address at 10711 Spotsylvania Ave, Fredericksburg, VA, 22408. Phone: (540) 891-8499. Providers update this record themselves, so call before visiting.
How can I verify Mark Allen McClanahan, M.D.'s license?
NPPES lists Virginia license number 0101041309, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Allen McClanahan, M.D. prescribe under Medicare Part D?
In 2024, Mark Allen McClanahan, M.D. had 8,143 Medicare Part D claims for 1,017 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.