Janet Gray Warner, MD
Psychiatry Physician · Rochester, MI
Janet Gray Warner, MD is a psychiatry physician with a practice address in Rochester, Michigan, and NPI 1609929421, issued on Jan 18, 2007. Check the license (Michigan 4301061844, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Janet Gray Warner
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 4301061844 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1101 W. University Dr, Rochester, MI 48307
- Phone
- (248) 652-5291
- Enumerated
- Jan 18, 2007
- Record last updated
- Jul 7, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (248) 652-5217
- Medicaid ID
- 10 4646501 MI
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Verify Janet Gray Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301061844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
58 Medicare Part D claims for 15 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Janet Gray Warner among 1,729 psychiatry physician records in Michigan
Janet Gray Warner, MD is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% 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 37% of them.
- NPI issued2007 · 37% of these records are older, 49% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2009 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Michigan
There are 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in Rochester → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ann DakkiRochester Hills, MI 483071871234591
- Krishna Gupta, MDRochester, MI 483071922149376
- Varsha Karamchandani, MDRochester Hills, MI 483071184616542
- Corina Lazar, M.D.Rochester Hills, MI 483071053411736
- Ana Rotar, M.D.Rochester, MI 483071710188529
- Robert Shaw, PHDRochester, MI 483071245240126
- Barry Siegel, M.D.Rochester Hills, MI 483071619967197
- Joel Young, MDRochester Hills, MI 483071356325468
Common questions
What is Janet Gray Warner, MD's NPI number?
Janet Gray Warner, MD's National Provider Identifier (NPI) is 1609929421, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Janet Gray Warner, MD located?
The NPPES record lists a practice address at 1101 W. University Dr, Rochester, MI, 48307. Phone: (248) 652-5291. Providers update this record themselves, so call before visiting.
How can I verify Janet Gray Warner, MD's license?
NPPES lists Michigan license number 4301061844, 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 Janet Gray Warner, MD prescribe under Medicare Part D?
In 2024, Janet Gray Warner, MD had 58 Medicare Part D claims for 15 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.