Keith R. Baker, M.D.
Internal Medicine Physician · Hillsdale, MI
Keith R. Baker, M.D. is an internal medicine physician with a practice address in Hillsdale, Michigan, and NPI 1538271267, issued on Aug 31, 2006. Check the license (Michigan KB041163, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Keith R. Baker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- KB041163 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1456 Hudson RD, Hillsdale, MI 49242
- Phone
- (517) 439-0200
- Enumerated
- Aug 31, 2006
- Record last updated
- Apr 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (517) 439-1050
- Medicaid ID
- 4646860 MI
- Medicare enrollment
- Enrolled (PECOS I20090930000179); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1978
- Entity
- Type 1 · individual
Also registered at 1456 Hudson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Engle, PA-CPhysician Assistant1548042401
- Rachel Gier, FNPNurse Practitioner1518453836
- Dan McCance, D.O.Gastroenterology Physician1851442099
- Kara Wilson, P.A.C.Physician Assistant1356541270
Verify Keith R. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license KB041163Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,324 Medicare Part D claims for 592 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 203 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium406 claims
- Albuterol Sulfate Hfa279 claims
- Levothyroxine Sodium216 claims
- Amlodipine Besylate187 claims
- Clopidogrel176 claims
- Pravastatin Sodium170 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: $198.26
5 payments; by number, the most common kind was food and beverage; the largest payer was Endologix LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Hillsdale Community Health CenterHillsdale, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 internal medicine physician records list a practice address in Hillsdale
They are 4 of the 276 NPPES records with a practice address in Hillsdale, and 5,735 internal medicine physician records in Michigan.
All 4 in Hillsdale → All 5,735 in Michigan → Every provider in Hillsdale →
Other internal medicine physician records in Michigan
- Jamie Therese Abad, MDDetroit, MI1700573359
- Tomas Abalo, M.D.Iron Mountain, MI1336199975
- Ali Abbas, M.D.Pontiac, MI1972167526
- Sura Abbas, MDWarren, MI1801687405
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Valerie Abbott, MDSouthfield, MI1740289487
- Samer Abboud, MDSaginaw, MI1245804178
Common questions
What is Keith R. Baker, M.D.'s NPI number?
Keith R. Baker, M.D.'s National Provider Identifier (NPI) is 1538271267, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith R. Baker, M.D. located?
The NPPES record lists a practice address at 1456 Hudson RD, Hillsdale, MI, 49242. Phone: (517) 439-0200. Providers update this record themselves, so call before visiting.
How can I verify Keith R. Baker, M.D.'s license?
NPPES lists Michigan license number KB041163, 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 Keith R. Baker, M.D. prescribe under Medicare Part D?
In 2024, Keith R. Baker, M.D. had 8,324 Medicare Part D claims for 592 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.