Mark Christian Flemmer, M.D.
Internal Medicine Physician · Norfolk, VA
Mark Christian Flemmer, M.D. is an internal medicine physician with a practice address in Norfolk, Virginia, and NPI 1639143217, issued on Feb 13, 2006. Check the license (Virginia 0101049048, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Christian Flemmer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101049048 VA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Fairfax Ave, Norfolk, VA 23507
- Phone
- (757) 889-5432
- Enumerated
- Feb 13, 2006
- Record last updated
- Feb 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (757) 889-5930
- Medicare enrollment
- Enrolled (PECOS I20100113000927); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 825 Fairfax Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Christian Flemmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101049048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,029 Medicare Part D claims for 79 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Amlodipine Besylate132 claims
- Losartan Potassium77 claims
- Rosuvastatin Calcium75 claims
- Atorvastatin Calcium59 claims
- Tamsulosin Hcl41 claims
- Lisinopril40 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.
The MIPS final score for 2023 (Medicare payment program): 95.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Evms Academic Physicians And Surgeons Health Services FoundationNorfolk, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Christian Flemmer among 3,599 internal medicine physician records in Virginia
Mark Christian Flemmer, M.D. is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1978 · median 2003 among the 2,234 with a school on file
- Record last updated2020 · 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 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 internal medicine physician records list a practice address in Norfolk
They are 196 of the 5,993 NPPES records with a practice address in Norfolk, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Norfolk → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Atchley, MDNorfolk, VA 235071700852332
- Otarod Bahrani, MDNorfolk, VA 235071609847664
- Herbert Brewer, MDNorfolk, VA 235071427045707
- Ian Chen, M.D.Norfolk, VA 235071912970328
- James Dixon, M.D.Norfolk, VA 235071609849272
- Maia Gakhokidze, M.D.Norfolk, VA 235071669458550
- Benjamin Goodman, M.D.Norfolk, VA 235071194799874
- Steven Greer, M.D.Norfolk, VA 235071194788455
Common questions
What is Mark Christian Flemmer, M.D.'s NPI number?
Mark Christian Flemmer, M.D.'s National Provider Identifier (NPI) is 1639143217, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Christian Flemmer, M.D. located?
The NPPES record lists a practice address at 825 Fairfax Ave, Norfolk, VA, 23507. Phone: (757) 889-5432. Providers update this record themselves, so call before visiting.
How can I verify Mark Christian Flemmer, M.D.'s license?
NPPES lists Virginia license number 0101049048, 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 Christian Flemmer, M.D. prescribe under Medicare Part D?
In 2024, Mark Christian Flemmer, M.D. had 1,029 Medicare Part D claims for 79 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mark Christian Flemmer, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.