Nathan Pomeroy, MD, MPH
Endocrinology, Diabetes & Metabolism Physician · Grand Rapids, MI
Nathan Pomeroy, MD, MPH is an endocrinology, diabetes & metabolism physician with a practice address in Grand Rapids, Michigan, and NPI 1043338650, issued on Mar 26, 2007. Check the license (Michigan 4301081774, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Nathan Pomeroy
- Credential
- MD, MPH
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 4301081774 MI
Self-reported in NPPES; status is on the state search - Practice location
- 221 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 284-8950
- Enumerated
- Mar 26, 2007
- Record last updated
- Feb 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081006000692); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 270 in Michigan → Look up another NPI →
Also registered at 221 Michigan St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Annette Broersma, NP-CNurse Practitioner1043300791
- Stephen Burgess, M.D.Orthopaedic Surgery Physician1225480890
- Lani Cantu, N.P.Women's Health Clinical Nurse Specialist1699966119
- Anna Chetrick, RDRegistered Dietitian1427308949
Verify Nathan Pomeroy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301081774Check 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% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,691 Medicare Part D claims for 499 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Levothyroxine Sodium707 claims
- Methimazole190 claims
- Mounjaro176 claims
- Hydrocortisone136 claims
- Testosterone Cypionate123 claims
- Jardiance91 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $443.02
5 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Pomeroy among 270 endocrinology, diabetes & metabolism physician records in Michigan
Nathan Pomeroy, MD, MPH is one of 270 endocrinology, diabetes & metabolism physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2004 among the 195 with a school on file
- Record last updated2021 · 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 207RE0101X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Michigan
There are 270 endocrinology, diabetes & metabolism physician records in Michigan.
All 270 in Michigan → Every provider in Grand Rapids → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Ruggero Battan, MDGrand Rapids, MI 495031134150147
- Emilie Collins, MDGrand Rapids, MI 495031104942085
- Gregory Deines, DOGrand Rapids, MI 495031427098532
- Cyprian Gardine, MDGrand Rapids, MI 495031659583888
- Mohammad Kawji, MD, CCDGrand Rapids, MI 495031811151426
- Heather Klingeman, MDGrand Rapids, MI 495031295174076
- Edward Kryshak, MDGrand Rapids, MI 495031912948233
- Scott Mazurek, DOGrand Rapids, MI 495031407272081
Common questions
What is Nathan Pomeroy, MD, MPH's NPI number?
Nathan Pomeroy, MD, MPH's National Provider Identifier (NPI) is 1043338650, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Pomeroy, MD, MPH located?
The NPPES record lists a practice address at 221 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 284-8950. Providers update this record themselves, so call before visiting.
How can I verify Nathan Pomeroy, MD, MPH's license?
NPPES lists Michigan license number 4301081774, 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 Nathan Pomeroy, MD, MPH prescribe under Medicare Part D?
In 2024, Nathan Pomeroy, MD, MPH had 2,691 Medicare Part D claims for 499 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Nathan Pomeroy, MD, MPH's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.