Andrew Oliver Donelson, M.D.
Internal Medicine Physician · Frederick, MD
Andrew Oliver Donelson, M.D. is an internal medicine physician with a practice address in Frederick, Maryland, and NPI 1518996495, issued on Jul 2, 2006. Check the license (Maryland D0021936, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Andrew Oliver Donelson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0021936 MD
Self-reported in NPPES; status is on the state search - Practice location
- 65 Thomas Johnson Dr, Frederick, MD 21702
- Phone
- (301) 663-3836
- Enumerated
- Jul 2, 2006
- Record last updated
- Feb 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (301) 663-0122
- Medicare enrollment
- Enrolled (PECOS I20110602000691); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1975
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 65 Thomas Johnson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew Oliver Donelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0021936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average internal medicine physician in 2024
5,526 Medicare Part D claims for 416 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 235 claims were for opioids.
Most prescribed
- Levothyroxine Sodium252 claims
- Amlodipine Besylate200 claims
- Atorvastatin Calcium169 claims
- Pantoprazole Sodium169 claims
- Eliquis150 claims
- Gabapentin132 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: $299.61
15 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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 3 group practices
- Amber Hill Physical Therapy IncFrederick, MD
- Frederick Health Hospital IncFrederick, MD
- Frederick Internal Medicine And Endocrinology Services PAFrederick, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Oliver Donelson among 3,904 internal medicine physician records in Maryland
Andrew Oliver Donelson, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 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 · 63% of these records are
- Graduated1975 · median 2003 among the 2,445 with a school on file
- Record last updated2012 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 internal medicine physician records list a practice address in Frederick
They are 59 of the 3,981 NPPES records with a practice address in Frederick, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Frederick → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Darrell Apple, M.D.Frederick, MD 217021326024407
- Susan Brinkley, M.D.Frederick, MD 217021184648198
- Julian Choe, M.D.Frederick, MD 217021528001203
- Richard Hill, MDFrederick, MD 217021477560944
- Robert Kaufmann, M.D.Frederick, MD 217021205817384
- Kevin Leary, M.D.Frederick, MD 217021841248861
- Narayan Nair, M.D.Frederick, MD 217021518912724
- Belle Neri-Aquino, M.D.Frederick, MD 217021568451474
Common questions
What is Andrew Oliver Donelson, M.D.'s NPI number?
Andrew Oliver Donelson, M.D.'s National Provider Identifier (NPI) is 1518996495, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Oliver Donelson, M.D. located?
The NPPES record lists a practice address at 65 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 663-3836. Providers update this record themselves, so call before visiting.
How can I verify Andrew Oliver Donelson, M.D.'s license?
NPPES lists Maryland license number D0021936, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Oliver Donelson, M.D. prescribe under Medicare Part D?
In 2024, Andrew Oliver Donelson, M.D. had 5,526 Medicare Part D claims for 416 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.