Mark Andrew Nelson, MD
Internal Medicine Physician · Ann Arbor, MI
Mark Andrew Nelson, MD is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1396972279, issued on Jun 17, 2009. Check the license (Michigan 4301516444, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark Andrew Nelson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4301516444 MI
51124 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- Jun 17, 2009
- Record last updated
- Jun 1, 2026
- Medicaid ID
- 84523573 CO
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Andrew Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301516444Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,515 Medicare Part D claims for 105 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium98 claims
- Amlodipine Besylate93 claims
- Levothyroxine Sodium73 claims
- Lisinopril41 claims
- Rosuvastatin Calcium40 claims
- Hydrochlorothiazide37 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.
Mark Andrew Nelson among 5,735 internal medicine physician records in Michigan
Mark Andrew Nelson, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 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 2009, is newer than 51% of them.
- NPI issued2009 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 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 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
479 internal medicine physician records list a practice address in Ann Arbor
They are 479 of the 15,616 NPPES records with a practice address in Ann Arbor, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Ann Arbor → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lawrence An, M.D.Ann Arbor, MI 481091003850611
- John Ayanian, MDAnn Arbor, MI 481091164488805
- Daniel Berland, MDAnn Arbor, MI 481091063417731
- Marian Boxer, M.D.Ann Arbor, MI 481091932176906
- Rawden Evans, MDAnn Arbor, MI 481091699718395
- Janice Farrehi, MDAnn Arbor, MI 481091689616310
- Jason Ham, MB, BCH, BAOAnn Arbor, MI 481091275513624
- Min Jiang, MDAnn Arbor, MI 481091194782490
Common questions
What is Mark Andrew Nelson, MD's NPI number?
Mark Andrew Nelson, MD's National Provider Identifier (NPI) is 1396972279, issued on Jun 17, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andrew Nelson, MD located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Mark Andrew Nelson, MD's license?
NPPES lists Michigan license number 4301516444, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Andrew Nelson, MD prescribe under Medicare Part D?
In 2024, Mark Andrew Nelson, MD had 1,515 Medicare Part D claims for 105 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.