Diana Alexander Whitehead, MD
Gastroenterology Physician · Pikesville, MD
Diana Alexander Whitehead, MD is a gastroenterology physician with a practice address in Pikesville, Maryland, and NPI 1356661169, issued on Jun 3, 2010. Check the license (Maryland D0081415, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Diana Alexander Whitehead
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- D0081415 MD
16144 NH
MD492456C PA
LP01946 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1838 Greene Tree RD, Pikesville, MD 21208
- Phone
- (410) 876-8332
- Enumerated
- Jun 3, 2010
- Record last updated
- Nov 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20161004002129); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2010
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 1838 Greene Tree RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Agboifo, PHARMDPharmacist1851843502
- Chelesia Anderson, PTAPhysical Therapy Assistant1144860503
- Veronica AugustPhysical Therapy Assistant1619789773
- Raymond Caplan, MDInternal Medicine Physician1902984453
- Mark Coleman, MDInterventional Pain Medicine Physician1821095431
- Nicholas D'AmarioFamily Nurse Practitioner1952086969
Verify Diana Alexander Whitehead in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0081415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average gastroenterology physician in 2024
647 Medicare Part D claims for 242 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf92 claims
- Pantoprazole Sodium69 claims
- Omeprazole60 claims
- Famotidine43 claims
- Mesalamine25 claims
- Dicyclomine Hcl22 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: $78,262.82
147 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Core Physicians LLCExeter, NH
- Lifebridge Community Gastroenterology LLCPikesville, MD
- Wellspan Medical GroupEphrata, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Alexander Whitehead among 505 gastroenterology physician records in Maryland
Diana Alexander Whitehead, MD is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 74% of them.
- NPI issued2010 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2002 among the 344 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Pikesville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Eric Blum, M.D.Baltimore, MD 212081447466289
- Lester Bowser, M.D.Baltimore, MD 212081043206873
- Steven Epstein, MDBaltimore, MD 212081811173636
- Ronald Ginsberg, MDBaltimore, MD 212081801877758
- Todd Heller, M.D.Baltimore, MD 212081053305763
- Loc Le, M.D.Baltimore, MD 212081194710517
- Kenolisa Onwueme, M.D., PH.D.Baltimore, MD 212081336283720
- Michael Siuta, M.D.Baltimore, MD 212081740274281
Common questions
What is Diana Alexander Whitehead, MD's NPI number?
Diana Alexander Whitehead, MD's National Provider Identifier (NPI) is 1356661169, issued on Jun 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Diana Alexander Whitehead, MD located?
The NPPES record lists a practice address at 1838 Greene Tree RD, Pikesville, MD, 21208. Phone: (410) 876-8332. Providers update this record themselves, so call before visiting.
How can I verify Diana Alexander Whitehead, MD's license?
NPPES lists Maryland license number D0081415, 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 Diana Alexander Whitehead, MD prescribe under Medicare Part D?
In 2024, Diana Alexander Whitehead, MD had 647 Medicare Part D claims for 242 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.