Heather Grim
Clinical Psychologist · Norwalk, CA
Heather Grim is a clinical psychologist with a practice address in Norwalk, California, and NPI 1679069744, issued on Jul 2, 2018. Check the license (California PSY34322, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Grim
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY34322 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11401 Bloomfield Ave, Norwalk, CA 90650
- Phone
- (562) 977-3753
- Enumerated
- Jul 2, 2018
- Record last updated
- Jul 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20231010001869); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 11401 Bloomfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bruce Abrams, MDPsychiatry Physician1972602753
- Camille Ace, PSY.D.Psychologist1740317650
- Arshad Ali, M.D.Psychiatry Physician1982834883
- Amaogechukwu Alugbue, NPFamily Nurse Practitioner1356123160
- Jaydina Amaker, PSY.D.Psychologist1952967341
- Ranjan Amin, M.D.Psychiatry Physician1659301489
Verify Heather Grim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY34322Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Department OF State HospitalsNorwalk, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Grim among 12,647 clinical psychologist records in California
Heather Grim 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. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2021 · median 2006 among the 2,424 with a school on file
- Record last updated2023 · 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).
67 clinical psychologist records list a practice address in Norwalk
They are 67 of the 1,600 NPPES records with a practice address in Norwalk, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Norwalk → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- David Chavez, PSYDNorwalk, CA 906501386684637
- Noor Damavandi, PHDNorwalk, CA 906501568419505
- Kathleen Fitzpatrick, PSYCHOLOGISTNorwalk, CA 906501588603096
- Patricia Gehr, PHDNorwalk, CA 906501013964188
- John Goldfarb, PHDNorwalk, CA 906501568402816
- Kirk HartleyNorwalk, CA 906501336189687
- Brian Hough, PHDNorwalk, CA 906501649210998
- Lawrence Ledesma, PHDNorwalk, CA 906501467409557
Common questions
What is Heather Grim's NPI number?
Heather Grim's National Provider Identifier (NPI) is 1679069744, issued on Jul 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Heather Grim located?
The NPPES record lists a practice address at 11401 Bloomfield Ave, Norwalk, CA, 90650. Phone: (562) 977-3753. Providers update this record themselves, so call before visiting.
How can I verify Heather Grim's license?
NPPES lists California license number PSY34322, 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. Medicare files from data.cms.gov. 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.