NPPES file of Aug 9, 2026

Ellen Tumbarella, DO

Family Medicine Physician · Howell, MI

Ellen Tumbarella, DO is a family medicine physician with a practice address in Howell, Michigan, and NPI 1902483720, issued on Mar 26, 2021. Check the license (Michigan 5101028082, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1902483720
Name
Ellen Tumbarella
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101028082 MI
Self-reported in NPPES; status is on the state search
Practice location
3477 E Grand River Ave, Howell, MI 48843
Phone
(517) 234-6540
Enumerated
Mar 26, 2021
Record last updated
Nov 19, 2025
Fax
(517) 338-9083
Medicare enrollment
Enrolled (PECOS I20240627002314); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2021
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 3477 E Grand River Ave

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

  1. Sara Halama, DPTPhysical Therapist1104457134
  2. Carranda Koop, M.D.Internal Medicine Physician1023437456
  3. Erin Obsniuk, CNPNurse Practitioner1164906392

Verify Ellen Tumbarella in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101028082
    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 Michigan 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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89% fewer Medicare Part D claims than the average family medicine physician in 2024

392 Medicare Part D claims for 109 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Ellen Tumbarella392
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium20 claims
  2. Atorvastatin Calcium18 claims
  3. Losartan Potassium16 claims
  4. Metformin Hcl16 claims
  5. Amlodipine Besylate14 claims
  6. Omeprazole11 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. Iha Health Services CorporationChelsea, MI

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

22 family medicine physician records list a practice address in Howell

They are 22 of the 1,026 NPPES records with a practice address in Howell, and 6,013 family medicine physician records in Michigan.

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is Ellen Tumbarella, DO's NPI number?

Ellen Tumbarella, DO's National Provider Identifier (NPI) is 1902483720, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Tumbarella, DO located?

The NPPES record lists a practice address at 3477 E Grand River Ave, Howell, MI, 48843. Phone: (517) 234-6540. Providers update this record themselves, so call before visiting.

How can I verify Ellen Tumbarella, DO's license?

NPPES lists Michigan license number 5101028082, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ellen Tumbarella, DO prescribe under Medicare Part D?

In 2024, Ellen Tumbarella, DO had 392 Medicare Part D claims for 109 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.