Ruth Marie Baer, D.O.
Psychiatry Physician · East Lansing, MI
Ruth Marie Baer, D.O. is a psychiatry physician with a practice address in East Lansing, Michigan, and NPI 1215101290, issued on Apr 21, 2008. Check the license (Michigan 5100105407, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ruth Marie Baer
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 5100105407 MI
Self-reported in NPPES; status is on the state search - Practice location
- 909 Wilson RD RM B119, East Lansing, MI 48824
- Phone
- (517) 353-3070
- Enumerated
- Apr 21, 2008
- Record last updated
- Jun 29, 2023
- Fax
- (517) 884-1817
- Medicaid ID
- 1215101290 MI
- Medicare enrollment
- Enrolled (PECOS I20150715000819); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 909 Wilson RD RM B119
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan Bolen, DOPsychiatry Physician1548820467
- Alyse Ley, D.O.Psychiatry Physician1861609992
- Marla Saint Gilles, PHDClinical Child & Adolescent Psychologist1285087981
- Christine Shafer, M.D.Psychiatry Physician1083698930
- Dianne Singleton, PH.D.Counseling Psychologist1518941574
- Brian Smith, M.D.Child & Adolescent Psychiatry Physician1629052790
Verify Ruth Marie Baer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5100105407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
19 Medicare Part D claims, 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.
Bills Medicare through 2 group practices
- Edward W Sparrow Hospital AssociationMason, MI
- Msu Health Care Inc.East Lansing, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruth Marie Baer among 1,729 psychiatry physician records in Michigan
Ruth Marie Baer, D.O. 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 2008, is newer than 51% of them.
- NPI issued2008 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2002 · median 2005 among the 828 with a school on file
- Record last updated2023 · 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).
80 psychiatry physician records list a practice address in East Lansing
They are 80 of the 2,305 NPPES records with a practice address in East Lansing, and 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in East Lansing → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Farha Abbasi, M.D.East Lansing, MI 488241689881781
- Karen Blackman, M.D.East Lansing, MI 488241255377560
- Debra Duxbury, M.D.East Lansing, MI 488241013068600
- Michelle Groh, M.D.East Lansing, MI 488241336356450
- Tiffany Heutel, M.D.East Lansing, MI 488241306053426
- Swapna Hingwe, D.O.East Lansing, MI 488241609083732
- Alyse Ley, D.O.East Lansing, MI 488241861609992
- Lionel Rosen, M.D.East Lansing, MI 488241689658056
Common questions
What is Ruth Marie Baer, D.O.'s NPI number?
Ruth Marie Baer, D.O.'s National Provider Identifier (NPI) is 1215101290, issued on Apr 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Marie Baer, D.O. located?
The NPPES record lists a practice address at 909 Wilson RD RM B119, East Lansing, MI, 48824. Phone: (517) 353-3070. Providers update this record themselves, so call before visiting.
How can I verify Ruth Marie Baer, D.O.'s license?
NPPES lists Michigan license number 5100105407, 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 Ruth Marie Baer, D.O. prescribe under Medicare Part D?
In 2024, Ruth Marie Baer, D.O. had 19 Medicare Part D claims; 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.