Douglas Howard Ruben, PH.D.
Clinical Psychologist · Okemos, MI
Douglas Howard Ruben, PH.D. is a clinical psychologist with a practice address in Okemos, Michigan, and NPI 1295818763, issued on Oct 20, 2006. Check the license (Michigan 005858, 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
- Douglas Howard Ruben
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 005858 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4211 Okemos RD Ste 22, Okemos, MI 48864
- Phone
- (517) 347-0944
- Enumerated
- Oct 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (517) 347-0944
- Medicare enrollment
- Enrolled (PECOS I20140225000084); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 2,965 in Michigan → Look up another NPI →
Verify Douglas Howard Ruben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 005858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Douglas Howard Ruben among 2,965 clinical psychologist records in Michigan
Douglas Howard Ruben, 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 79% newer
- In a Medicare fileNo · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated2000 · median 2005 among the 697 with a school on file
- Record last updated2007 · 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).
25 clinical psychologist records list a practice address in Okemos
They are 25 of the 1,487 NPPES records with a practice address in Okemos, 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 Okemos → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Carol Ducat, PHDOkemos, MI 488641104967231
- Normand Gilbert, PH.D.Okemos, MI 488641902957368
- Jaye Hamilton, PH.D.Okemos, MI 488641518904275
- Rodney Howard, PHDOkemos, MI 488641114957222
- Larisa Hutchins, PSY.D.Okemos, MI 488641841344256
- Sandra Jordan, PH.DOkemos, MI 488641225041601
- Joanne Karpinen, PH.D.Okemos, MI 488641942362124
- William Miller, PH.D.Okemos, MI 488641730141656
Common questions
What is Douglas Howard Ruben, PH.D.'s NPI number?
Douglas Howard Ruben, PH.D.'s National Provider Identifier (NPI) is 1295818763, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Howard Ruben, PH.D. located?
The NPPES record lists a practice address at 4211 Okemos RD Ste 22, Okemos, MI, 48864. Phone: (517) 347-0944. Providers update this record themselves, so call before visiting.
How can I verify Douglas Howard Ruben, PH.D.'s license?
NPPES lists Michigan license number 005858, 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.