NPPES file of Aug 9, 2026

Tammy L. West, M.D.

Family Medicine Physician · Chesterfield, MI

Tammy L. West, M.D. is a family medicine physician with a practice address in Chesterfield, Michigan, and NPI 1215167739, issued on Jul 17, 2009. Check the license (Michigan 4301094657, 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
1215167739
Name
Tammy L. West
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301094657 MI
Self-reported in NPPES; status is on the state search
Practice location
30795 23 Mile RD Ste 207, Chesterfield, MI 48047
Phone
(586) 421-1600
Enumerated
Jul 17, 2009
Record last updated
Jul 30, 2025
Fax
(586) 421-2002
Medicare enrollment
Enrolled (PECOS I20120829000887); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 30795 23 Mile RD Ste 207

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

  1. Vincent Brennan, DOFamily Medicine Physician1477110724
  2. Michael Mastrogiovanni, MDFamily Medicine Physician1861060246

Verify Tammy L. West 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 4301094657
    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

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33% fewer Medicare Part D claims than the average family medicine physician in 2024

2,367 Medicare Part D claims for 147 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 20 claims were for opioids.

  1. Tammy West2,367
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium217 claims
  2. Amlodipine Besylate149 claims
  3. Lisinopril141 claims
  4. Metformin Hcl95 claims
  5. Albuterol Sulfate Hfa81 claims
  6. Levothyroxine Sodium72 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: $152.41

7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tammy West$152.41
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Henry Ford Physician PartnersChesterfield, MI

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

Tammy L. West among 6,013 family medicine physician records in Michigan

Tammy L. West, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2008 · median 2008 among the 3,493 with a school on file
  • Record last updated2025 · 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 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 family medicine physician records list a practice address in Chesterfield

They are 36 of the 1,617 NPPES records with a practice address in Chesterfield, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Keith Defever, MDChesterfield, MI 480471487687166
  2. Anna Demos, MDChesterfield, MI 480471174548564
  3. Karl Emerick, D.O.Chesterfield, MI 480471376536185
  4. Jeffrey Hayes, DONew Baltimore, MI 480471164483434
  5. Eileen Hopman, MDChesterfield, MI 480471780617464
  6. Kevin Klein, D.O.Chesterfield, MI 480471558354365
  7. Thomas Mianecki, DOChesterfield, MI 480471013909795
  8. Sujini Palaniswamy, M.D.Chesterfield, MI 480471093796278

Common questions

What is Tammy L. West, M.D.'s NPI number?

Tammy L. West, M.D.'s National Provider Identifier (NPI) is 1215167739, issued on Jul 17, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Tammy L. West, M.D. located?

The NPPES record lists a practice address at 30795 23 Mile RD Ste 207, Chesterfield, MI, 48047. Phone: (586) 421-1600. Providers update this record themselves, so call before visiting.

How can I verify Tammy L. West, M.D.'s license?

NPPES lists Michigan license number 4301094657, 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 Tammy L. West, M.D. prescribe under Medicare Part D?

In 2024, Tammy L. West, M.D. had 2,367 Medicare Part D claims for 147 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.