Gregory J. Deines, DO
Endocrinology, Diabetes & Metabolism Physician · Grand Rapids, MI
Gregory J. Deines, DO is an endocrinology, diabetes & metabolism physician with a practice address in Grand Rapids, Michigan, and NPI 1427098532, issued on Jun 7, 2006. Check the license (Michigan 5101013842, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gregory J. Deines
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 5101013842 MI
Self-reported in NPPES; status is on the state search - Practice location
- 221 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 267-8950
- Enumerated
- Jun 7, 2006
- Record last updated
- Mar 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100306000383); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1998
- 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.
- Marcy Adams, NP-CFamily Nurse Practitioner1366770505
- Brice Blatz, MD, MSSurgery Physician1770745309
- 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 Gregory J. Deines in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101013842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,731 Medicare Part D claims for 288 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Mounjaro154 claims
- Pioglitazone Hcl152 claims
- Trulicity143 claims
- Lantus Solostar123 claims
- Jardiance104 claims
- Ultra-Fine Mini Pen Needle102 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: $614.72
10 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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).
Gregory J. Deines among 270 endocrinology, diabetes & metabolism physician records in Michigan
Gregory J. Deines, DO 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1998 · 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
- 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
- Sudha PenumalaGrand Rapids, MI 495031437635984
Common questions
What is Gregory J. Deines, DO's NPI number?
Gregory J. Deines, DO's National Provider Identifier (NPI) is 1427098532, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Deines, DO located?
The NPPES record lists a practice address at 221 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 267-8950. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Deines, DO's license?
NPPES lists Michigan license number 5101013842, 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 Gregory J. Deines, DO prescribe under Medicare Part D?
In 2024, Gregory J. Deines, DO had 1,731 Medicare Part D claims for 288 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Gregory J. Deines, DO'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.