Steven James Hamberg, MD
Geriatric Medicine (Internal Medicine) Physician · Holland, MI
Steven James Hamberg, MD is a geriatric medicine (internal medicine) physician with a practice address in Holland, Michigan, and NPI 1447207709, issued on May 30, 2006. Check the license (Michigan 4301048859, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Steven James Hamberg
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 4301048859 MI
Self-reported in NPPES; status is on the state search - Practice location
- 745 W 26TH St, Holland, MI 49423
- Phone
- (616) 267-7668
- Enumerated
- May 30, 2006
- Record last updated
- Nov 21, 2022
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 184 in Michigan → Look up another NPI →
Verify Steven James Hamberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301048859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
130 Medicare Part D claims for 19 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Spironolactone13 claims
- Atorvastatin Calcium12 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.
Steven James Hamberg among 184 geriatric medicine (internal medicine) physician records in Michigan
Steven James Hamberg, MD is one of 184 geriatric medicine (internal medicine) physician records with a practice address in Michigan. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 43% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Michigan
There are 184 geriatric medicine (internal medicine) physician records in Michigan.
All 184 in Michigan → Every provider in Holland → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Terrell Hebert, MDMuskegon, MI 494421730102625
- Douglas Hall, MDMuskegon, MI 494441871570531
- Ronald Rop, MDMuskegon, MI 494441184601999
- Oluwatoyin Thomas, M.DMuskegon, MI 494441437464914
- Shruti Anand, MDGrand Rapids, MI 495031063908416
- Madelon Krissoff, MDGrand Rapids, MI 495031134340003
- Kathleen Mosentine, MDGrand Rapids, MI 495031043251275
- Michael Post, MDGrand Rapids, MI 495031841307154
Common questions
What is Steven James Hamberg, MD's NPI number?
Steven James Hamberg, MD's National Provider Identifier (NPI) is 1447207709, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven James Hamberg, MD located?
The NPPES record lists a practice address at 745 W 26TH St, Holland, MI, 49423. Phone: (616) 267-7668. Providers update this record themselves, so call before visiting.
How can I verify Steven James Hamberg, MD's license?
NPPES lists Michigan license number 4301048859, 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 Steven James Hamberg, MD prescribe under Medicare Part D?
In 2024, Steven James Hamberg, MD had 130 Medicare Part D claims for 19 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.