Jill Jeffers Clark, MA, PHD
Psychologist · Sacramento, CA
Jill Jeffers Clark, MA, PHD is a psychologist with a practice address in Sacramento, California, and NPI 1447375563, issued on Mar 20, 2007. Check the license (California PSY20715, 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
- Jill Jeffers Clark
- Credential
- MA, PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY20715 CA
Self-reported in NPPES; status is on the state search - Practice location
- 874 57TH St, Sacramento, CA 95819
- Phone
- (916) 739-1926
- Enumerated
- Mar 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (916) 739-1591
- Medicare enrollment
- Enrolled (PECOS I20091211000222); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 874 57TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jill Jeffers Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY20715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jill Jeffers Clark among 7,304 psychologist records in California
Jill Jeffers Clark, MA, PHD is one of 7,304 psychologist records with a practice address in California. 6% 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 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 64% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated1997 · median 2005 among the 1,058 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in California
There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,304 in California → Every provider in Sacramento → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Hannah Greenbaum, PH.D.Sacramento, CA 958191508511346
- Nancy Otterness, PHD CLINICAL PSYCHOLSacramento, CA 958191861683773
- David Rosenblatt, PSY.D.Sacramento, CA 958191972867984
- Orin Borders, PHDSacramento, CA 958181043556863
- Ethan Bregman, PH.D.Sacramento, CA 958201508031592
- Brandi Hawk, PH.D.Sacramento, CA 958201003222803
- Melissa Huston, PHDSacramento, CA 958201477742245
- Leona Kashersky, PSY.D.Sacramento, CA 958181144230095
Common questions
What is Jill Jeffers Clark, MA, PHD's NPI number?
Jill Jeffers Clark, MA, PHD's National Provider Identifier (NPI) is 1447375563, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jill Jeffers Clark, MA, PHD located?
The NPPES record lists a practice address at 874 57TH St, Sacramento, CA, 95819. Phone: (916) 739-1926. Providers update this record themselves, so call before visiting.
How can I verify Jill Jeffers Clark, MA, PHD's license?
NPPES lists California license number PSY20715, 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.