Tammi Thomas Howard, MD
Internal Medicine Physician · Largo, MD
Tammi Thomas Howard, MD is an internal medicine physician with a practice address in Largo, Maryland, and NPI 1114189560, issued on Jun 26, 2008. Check the license (Maryland D0097826, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Tammi Thomas Howard
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D0097826 MD
MD045398 DC
D974006118320 MN
35-097267 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile LN, Largo, MD 20774
- Phone
- (301) 618-5500
- Enumerated
- Jun 26, 2008
- Record last updated
- Mar 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20171013002261); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2008
- Entity
- Type 1 · individual
Also registered at 1221 Mercantile LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Abbott, RN,BSN,CM-CCase Management Registered Nurse1366743122
- Grace AdumanisaResearch Study Specialist1104663145
- Cielito Aguinaldo, MDInternal Medicine Physician1063585347
- Elma Alston, LCSW-CClinical Social Worker1629300488
- Bridget AnyiwoPharmacist1326228529
- Brian Armstrong, MDOphthalmology Physician1285781179
Verify Tammi Thomas Howard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0097826Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
125 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
36 internal medicine physician records list a practice address in Largo
They are 36 of the 651 NPPES records with a practice address in Largo, and 3,904 internal medicine physician records in Maryland.
All 36 in Largo → All 3,904 in Maryland → Every provider in Largo →
Other internal medicine physician records in Maryland
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Ghulam Abbas, MDFrederick, MD1477658045
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
- Hamdi AbdeenGaithersburg, MD1245972413
- Mukemil Abdella, M.D.Glenn Dale, MD1871603381
- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Tammi Thomas Howard, MD's NPI number?
Tammi Thomas Howard, MD's National Provider Identifier (NPI) is 1114189560, issued on Jun 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tammi Thomas Howard, MD located?
The NPPES record lists a practice address at 1221 Mercantile LN, Largo, MD, 20774. Phone: (301) 618-5500. Providers update this record themselves, so call before visiting.
How can I verify Tammi Thomas Howard, MD's license?
NPPES lists Maryland license number D0097826, 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 Tammi Thomas Howard, MD prescribe under Medicare Part D?
In 2024, Tammi Thomas Howard, MD had 125 Medicare Part D claims for 31 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.