Barbara Ann Day, MD
Psychiatry Physician · Ann Arbor, MI
Barbara Ann Day, MD is a psychiatry physician with a practice address in Ann Arbor, Michigan, and NPI 1679519409, issued on Jun 21, 2006. Check the license (Michigan 430104500, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Barbara Ann Day
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 430104500 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Hogback, Ann Arbor, MI 48105
- Phone
- (734) 677-5900
- Enumerated
- Jun 21, 2006
- Record last updated
- Sep 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 102601888 MI
- Medicare enrollment
- Enrolled (PECOS I20081016000177); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Verify Barbara Ann Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 430104500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
161 Medicare Part D claims for 24 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Trazodone Hcl21 claims
- Sertraline Hcl13 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).
Bills Medicare through one group practice
- Lakeland Hospitals AT Niles And St Joseph IncSaint Joseph, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara Ann Day among 1,729 psychiatry physician records in Michigan
Barbara Ann Day, 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1981 · median 2005 among the 828 with a school on file
- Record last updated2008 · 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).
246 psychiatry physician records list a practice address in Ann Arbor
They are 246 of the 15,616 NPPES records with a practice address in Ann Arbor, and 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in Ann Arbor → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jane Carnahan, M.D.Ann Arbor, MI 481051588765804
- Donna Champine, MDAnn Arbor, MI 481051306918818
- Duane Difranco, MDAnn Arbor, MI 481051699847582
- Bruce Gimbel, M.D.Ann Arbor, MI 481051669484887
- Joyce Kales, M.D.Ann Arbor, MI 481051023194602
- Ziad Kronfol, MDAnn Arbor, MI 481051164594586
- Craig Lemmen, MDAnn Arbor, MI 481051679586002
- Bakul Parikh, M.D.Ann Arbor, MI 481051467412957
Common questions
What is Barbara Ann Day, MD's NPI number?
Barbara Ann Day, MD's National Provider Identifier (NPI) is 1679519409, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Ann Day, MD located?
The NPPES record lists a practice address at 2020 Hogback, Ann Arbor, MI, 48105. Phone: (734) 677-5900. Providers update this record themselves, so call before visiting.
How can I verify Barbara Ann Day, MD's license?
NPPES lists Michigan license number 430104500, 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 Barbara Ann Day, MD prescribe under Medicare Part D?
In 2024, Barbara Ann Day, MD had 161 Medicare Part D claims for 24 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Barbara Ann Day, MD'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.