Christopher William Nahumck, PHD, MSW, MDIV, MA
Clinical Psychologist · Sierra Madre, CA
Christopher William Nahumck, PHD, MSW, MDIV, MA is a clinical psychologist with a practice address in Sierra Madre, California, and NPI 1326489865, issued on Jul 12, 2013. Check the license (California PSY29478, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Christopher William Nahumck
- Credential
- PHD, MSW, MDIV, MA
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY29478 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 W. Sierra Madre Blvd, Sierra Madre, CA 91024
- Phone
- (626) 219-0166
- Enumerated
- Jul 12, 2013
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Verify Christopher William Nahumck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY29478Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Christopher William Nahumck among 12,647 clinical psychologist records in California
Christopher William Nahumck, PHD, MSW, MDIV, MA is one of 12,647 clinical psychologist records with a practice address in California. 9% 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 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 29% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2018 · 63% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 clinical psychologist records list a practice address in Sierra Madre
They are 10 of the 178 NPPES records with a practice address in Sierra Madre, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Sierra Madre → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Aileen Arratoonian, PH.D.Sierra Madre, CA 910241437341500
- Lorrie Crawford, PSY.D.Sierra Madre, CA 910241871512434
- Monica Karbassioun, PSY.D.Sierra Madre, CA 910241013047596
- Jennifer Lee-Dick, PSY.DSierra Madre, CA 910241013147404
- Luann Martenson, PH.D.Sierra Madre, CA 910241457478232
- Julia McHugh, PSY.DSierra Madre, CA 910241245426352
- Mary Jo Robison, M.A.Sierra Madre, CA 910241811129992
- Sharon Teruya, PH.D.Sierra Madre, CA 910241346574969
Common questions
What is Christopher William Nahumck, PHD, MSW, MDIV, MA's NPI number?
Christopher William Nahumck, PHD, MSW, MDIV, MA's National Provider Identifier (NPI) is 1326489865, issued on Jul 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Christopher William Nahumck, PHD, MSW, MDIV, MA located?
The NPPES record lists a practice address at 150 W. Sierra Madre Blvd, Sierra Madre, CA, 91024. Phone: (626) 219-0166. Providers update this record themselves, so call before visiting.
How can I verify Christopher William Nahumck, PHD, MSW, MDIV, MA's license?
NPPES lists California license number PSY29478, as entered by the provider. Search the California 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.