Natasha P. Haag, MD
Internal Medicine Physician · Bethesda, MD
Natasha P. Haag, MD is an internal medicine physician with a practice address in Bethesda, Maryland, and NPI 1417948399, issued on Oct 31, 2005. Check the license (Maryland D0062949, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Natasha P. Haag
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0062949 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8600 Old Georgetown RD, Bethesda, MD 20814
- Phone
- (301) 896-3100
- Enumerated
- Oct 31, 2005
- Record last updated
- Apr 17, 2025
- Fax
- (301) 581-0077
- Medicaid ID
- 415096100 MD
- Medicare enrollment
- Enrolled (PECOS I20050624000139); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 8600 Old Georgetown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natasha P. Haag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0062949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
173 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Metoprolol Tartrate15 claims
- Carvedilol13 claims
- Furosemide12 claims
- Metoprolol Succinate11 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.
Bills Medicare through one group practice
- Johns Hopkins Community Physicians, IncLaurel, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natasha P. Haag among 3,904 internal medicine physician records in Maryland
Natasha P. Haag, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2003 among the 2,445 with a school on file
- Record last updated2025 · 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).
288 internal medicine physician records list a practice address in Bethesda
They are 288 of the 7,245 NPPES records with a practice address in Bethesda, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Bethesda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Audrey Corson, M.D.Bethesda, MD 208141366402919
- Marjorie Dannis, MDBethesda, MD 208141316938269
- Delia Fine, M.D.Bethesda, MD 208141437119088
- Howard Goldstein, M.D.Bethesda, MD 208141952361925
- Joel Goozh, MDBethesda, MD 208141275518565
Common questions
What is Natasha P. Haag, MD's NPI number?
Natasha P. Haag, MD's National Provider Identifier (NPI) is 1417948399, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Natasha P. Haag, MD located?
The NPPES record lists a practice address at 8600 Old Georgetown RD, Bethesda, MD, 20814. Phone: (301) 896-3100. Providers update this record themselves, so call before visiting.
How can I verify Natasha P. Haag, MD's license?
NPPES lists Maryland license number D0062949, 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 Natasha P. Haag, MD prescribe under Medicare Part D?
In 2024, Natasha P. Haag, MD had 173 Medicare Part D claims for 52 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.