Grace Jialin Ning, PSY.D.
Psychologist · San Diego, CA
Grace Jialin Ning, PSY.D. is a psychologist with a practice address in San Diego, California, and NPI 1598911315, issued on Aug 12, 2008. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Grace Jialin Ning
- Credential
- PSY.D.
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 4290 Polk Avenue, San Diego, CA 92105
- Phone
- (619) 563-0507
- Enumerated
- Aug 12, 2008
- Record last updated
- Jul 2, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (619) 563-0015
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 4290 Polk Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Linnea Daley, R.N.Registered Nurse1013245067
- Erin Egan, RNRegistered Nurse1073776092
- Paula Engel, RNRegistered Nurse1770893620
- Tammie Goulart, R.N.Registered Nurse1376851378
- Shawna Johnson, FNPFamily Nurse Practitioner1922237809
Verify Grace Jialin Ning in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Grace Jialin Ning among 7,304 psychologist records in California
Grace Jialin Ning, PSY.D. 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 2008, is newer than 36% of them.
- NPI issued2008 · 36% of these records are older, 58% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 14% of these records are
- Record last updated2015 · 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 San Diego → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Evangeline Akridge, PSYDSan Diego, CA 921051912346305
- Cynthia Miranda, PSYDSan Diego, CA 921051023186970
- Kathryn Spaventa-Vancil, M.A.San Diego, CA 921051457731192
- Ashleigh SweetSan Diego, CA 921051265665731
- Sabrina Vierling, PSYSan Diego, CA 921051215288238
- Nicholas Buhr, PSY.D., L.P.San Diego, CA 921061225678840
- Miguel Castro, MIGUEL CASTROSan Diego, CA 921041083716385
- Laura Hatz, PHDSan Diego, CA 921041881415149
Common questions
What is Grace Jialin Ning, PSY.D.'s NPI number?
Grace Jialin Ning, PSY.D.'s National Provider Identifier (NPI) is 1598911315, issued on Aug 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Grace Jialin Ning, PSY.D. located?
The NPPES record lists a practice address at 4290 Polk Avenue, San Diego, CA, 92105. Phone: (619) 563-0507. Providers update this record themselves, so call before visiting.
How can I verify Grace Jialin Ning, PSY.D.'s license?
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.