NPPES file of Aug 9, 2026

Tanya Nicole Haag, D.O.

Emergency Medicine Physician · Germantown, MD

Tanya Nicole Haag, D.O. is an emergency medicine physician with a practice address in Germantown, Maryland, and NPI 1316203862, issued on Apr 10, 2012. Check the license (Maryland H0079946, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316203862
Name
Tanya Nicole Haag
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
H0079946 MD
Self-reported in NPPES; status is on the state search
Practice location
20010 Century Blvd, Germantown, MD 20874
Phone
(240) 686-2300
Enumerated
Apr 10, 2012
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150811005101); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 20010 Century Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Abraham, M.D.Emergency Medicine Physician1225394786
  2. Jason Adler, MDEmergency Medicine Physician1376751115
  3. Emily Ahlers, M.D.Emergency Medicine Physician1770927592
  4. Nafis Ahmed, MDEmergency Medicine Physician1396970414
  5. Anna Ansaldo, MDEmergency Medicine Physician1760645048
  6. Mayra BaileyMedical Physician Assistant1922413533

Verify Tanya Nicole Haag in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license H0079946
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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21% more Medicare Part D claims than the average emergency medicine physician in 2024

273 Medicare Part D claims for 173 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Tanya Haag273
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt35 claims
  2. Cephalexin27 claims
  3. Ibuprofen17 claims
  4. Prednisone15 claims
  5. Oxycodone Hcl14 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

  1. Doctors Emergency Service, PAAnnapolis, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tanya Nicole Haag among 1,190 emergency medicine physician records in Maryland

Tanya Nicole Haag, D.O. is one of 1,190 emergency 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 2012, is newer than 65% of them.

  • NPI issued2012 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2012 · median 2010 among the 571 with a school on file
  • Record last updated2018 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 emergency medicine physician records list a practice address in Germantown

They are 33 of the 1,327 NPPES records with a practice address in Germantown, and 1,190 emergency medicine physician records in Maryland.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Jason Adler, MDGermantown, MD 208741376751115
  2. Nafis Ahmed, MDGermantown, MD 208741396970414
  3. Anna Ansaldo, MDGermantown, MD 208741760645048
  4. Jonathan D'Souza, MDGermantown, MD 208741205097375
  5. Maxwell Ginsburg, M.D.Germantown, MD 208741730324492
  6. Mark Goldstein, M.D.Germantown, MD 208741760656631
  7. Robert Harvey, D.O.Germantown, MD 208741922068154
  8. Anoop Kumar, M.D.Germantown, MD 208741891995874

Common questions

What is Tanya Nicole Haag, D.O.'s NPI number?

Tanya Nicole Haag, D.O.'s National Provider Identifier (NPI) is 1316203862, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Tanya Nicole Haag, D.O. located?

The NPPES record lists a practice address at 20010 Century Blvd, Germantown, MD, 20874. Phone: (240) 686-2300. Providers update this record themselves, so call before visiting.

How can I verify Tanya Nicole Haag, D.O.'s license?

NPPES lists Maryland license number H0079946, 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 Tanya Nicole Haag, D.O. prescribe under Medicare Part D?

In 2024, Tanya Nicole Haag, D.O. had 273 Medicare Part D claims for 173 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.