Gregory C. Hazen, MD
Ophthalmology Physician · Saginaw, MI
Gregory C. Hazen, MD is an ophthalmology physician with a practice address in Saginaw, Michigan, and NPI 1174528863, issued on Jun 17, 2005. Check the license (Michigan 4301065631, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gregory C. Hazen
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 4301065631 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5161 Cardinal Park Drive, Saginaw, MI 48604
- Phone
- (989) 797-2400
- Enumerated
- Jun 17, 2005
- Record last updated
- Apr 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (989) 249-1035
- Medicaid ID
- 1004149079 MI
- Medicare enrollment
- Enrolled (PECOS I20100319000636); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Michigan → Look up another NPI →
Also registered at 5161 Cardinal Park Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mike BainOcularist1912086281
- Heidi Bauer Skelley, ODOptometrist1972508067
- Eric Collier, D.O.Ophthalmology Physician1689898173
- Jason Donahue, ODOptometrist1548265630
- Shafiq Jivanjee, MDOphthalmology Physician1427008465
- Sundhar Ramasamy, MDOphthalmology Physician1154326247
Verify Gregory C. Hazen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301065631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average ophthalmology physician in 2024
2,433 Medicare Part D claims for 812 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Moxifloxacin545 claims
- Bromfenac Sodium468 claims
- Prednisolone Acetate402 claims
- Besivance299 claims
- Ketorolac Tromethamine134 claims
- Latanoprost90 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 practice group's MIPS final score for 2023 (Medicare payment program): 90.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $129.12
1 payment: food and beverage; the largest payer was Carl Zeiss Meditec USA, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Andersen Eye Associates, PLCSaginaw, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory C. Hazen among 791 ophthalmology physician records in Michigan
Gregory C. Hazen, MD is one of 791 ophthalmology physician records with a practice address in Michigan. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1995 · median 2002 among the 548 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 207W00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Michigan
There are 791 ophthalmology physician records in Michigan.
All 791 in Michigan → Every provider in Saginaw → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Usha Bulusu, M.D.Saginaw, MI 486041043202948
- Eric Collier, D.O.Saginaw, MI 486041689898173
- Shafiq Jivanjee, MDSaginaw, MI 486041427008465
- Ingeborg Kirch, MDSaginaw, MI 486041699781443
- David Krebs, MDSaginaw, MI 486041801889662
- Melanie Mihlstin, M.D.Saginaw, MI 486041437561958
- Sundhar Ramasamy, MDSaginaw, MI 486041154326247
- Miriam Schteingart, MDSaginaw, MI 486041639174725
Common questions
What is Gregory C. Hazen, MD's NPI number?
Gregory C. Hazen, MD's National Provider Identifier (NPI) is 1174528863, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory C. Hazen, MD located?
The NPPES record lists a practice address at 5161 Cardinal Park Drive, Saginaw, MI, 48604. Phone: (989) 797-2400. Providers update this record themselves, so call before visiting.
How can I verify Gregory C. Hazen, MD's license?
NPPES lists Michigan license number 4301065631, 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 C. Hazen, MD prescribe under Medicare Part D?
In 2024, Gregory C. Hazen, MD had 2,433 Medicare Part D claims for 812 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Gregory C. Hazen, MD's MIPS final score?
The 2023 MIPS final score is 90.4 of 100, reported for the practice group. 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.