Ruthann Davis, PH.D
Clinical Psychologist · Brighton, MI
Ruthann Davis, PH.D is a clinical psychologist with a practice address in Brighton, Michigan, and NPI 1891972279, issued on Jan 28, 2008. Check the license (Michigan 6301003854, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ruthann Davis
- Credential
- PH.D
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 6301003854 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Dunsary LN, Brighton, MI 48114
- Phone
- (810) 227-4935
- Enumerated
- Jan 28, 2008
- Record last updated
- May 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (810) 227-4935
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 2,965 in Michigan → Look up another NPI →
Verify Ruthann Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6301003854Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ruthann Davis among 2,965 clinical psychologist records in Michigan
Ruthann Davis, PH.D is one of 2,965 clinical psychologist records with a practice address in Michigan. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 39% of them.
- NPI issued2008 · 39% of these records are older, 56% newer
- In a Medicare fileNo · 13% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 clinical psychologist records list a practice address in Brighton
They are 27 of the 1,350 NPPES records with a practice address in Brighton, and 2,965 clinical psychologist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,965 in Michigan → Every provider in Brighton → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Sally Belian, PH.DBrighton, MI 481141245398213
- Beth Berman, PSY.D.Brighton, MI 481141396772794
- Samantha Breneman, LLPBrighton, MI 481141063860955
- Brittney Briggs, PSY.D.Brighton, MI 481141548695604
- Tiffany Derksen, TLLPBrighton, MI 481141104477652
- Jennifer Garcia, PSYDBrighton, MI 481141134744832
- Lisa GargBrighton, MI 481141922470319
- Rayetta Hartley, MS, LLPBrighton, MI 481141487083804
Common questions
What is Ruthann Davis, PH.D's NPI number?
Ruthann Davis, PH.D's National Provider Identifier (NPI) is 1891972279, issued on Jan 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ruthann Davis, PH.D located?
The NPPES record lists a practice address at 2900 Dunsary LN, Brighton, MI, 48114. Phone: (810) 227-4935. Providers update this record themselves, so call before visiting.
How can I verify Ruthann Davis, PH.D's license?
NPPES lists Michigan license number 6301003854, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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. 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.