Amber Warnat, M.D.
Ophthalmology Physician · Bloomfield Hills, MI
Amber Warnat, M.D. is an ophthalmology physician with a practice address in Bloomfield Hills, Michigan, and NPI 1366735128, issued on May 25, 2011. Check the license (Michigan L1826429, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Amber Warnat
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- L1826429 MI
Self-reported in NPPES; status is on the state search - Practice location
- 43996 Woodward Ave Ste 101, Bloomfield Hills, MI 48302
- Phone
- (248) 332-4544
- Enumerated
- May 25, 2011
- Record last updated
- Feb 13, 2026
- Fax
- (248) 332-2716
- Medicare enrollment
- Enrolled (PECOS I20140818002039); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Michigan → Look up another NPI →
Also registered at 43996 Woodward Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deetra Amhowitz, MA, TLLPClinical Psychologist1497762512
- Christina Mayo, PHD,LLPClinical Psychologist1376564500
Verify Amber Warnat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license L1826429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,286 Medicare Part D claims for 307 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Erythromycin404 claims
- Latanoprost274 claims
- Brimonidine Tartrate113 claims
- Simbrinza93 claims
- Azelastine Hcl55 claims
- Timolol Maleate42 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.
Bills Medicare through one group practice
- Burman And Zuckerbrod Ophthalmology Associates, PCBloomfield Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amber Warnat among 791 ophthalmology physician records in Michigan
Amber Warnat, M.D. 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 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2010 · median 2002 among the 548 with a school on file
- Record last updated2026 · 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 Bloomfield Hills → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ryan Cosgrove, DOBloomfield Hills, MI 483021700443389
- Ayo-Lynn Fifield, M.D.Bloomfield Hills, MI 483021396902094
- David Grey, MDBloomfield Hills, MI 483021215928759
- Leslie Grosinger, MDBloomfield Hills, MI 483021396735452
- Neha Gupta, MDBloomfield Hills, MI 483021457973018
- Alan Mindlin, MDBloomfield Hills, MI 483021053302851
- David Portney, MDBloomfield Hills, MI 483021710555461
- Alan Spigelman, MDBloomfield Hills, MI 483021366433229
Common questions
What is Amber Warnat, M.D.'s NPI number?
Amber Warnat, M.D.'s National Provider Identifier (NPI) is 1366735128, issued on May 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Amber Warnat, M.D. located?
The NPPES record lists a practice address at 43996 Woodward Ave Ste 101, Bloomfield Hills, MI, 48302. Phone: (248) 332-4544. Providers update this record themselves, so call before visiting.
How can I verify Amber Warnat, M.D.'s license?
NPPES lists Michigan license number L1826429, 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 Amber Warnat, M.D. prescribe under Medicare Part D?
In 2024, Amber Warnat, M.D. had 1,286 Medicare Part D claims for 307 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.