Alison G. Tan, PHD
Psychologist · Carlsbad, CA
Alison G. Tan, PHD is a psychologist with a practice address in Carlsbad, California, and NPI 1962172593, issued on Sep 15, 2021. Check the license (California 32890, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alison G. Tan
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 32890 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5838 Edison PL Ste 100, Carlsbad, CA 92008
- Phone
- (215) 344-8187
- Enumerated
- Sep 15, 2021
- Record last updated
- Aug 25, 2023
- Medicare enrollment
- Enrolled (PECOS I20211112000033); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 5838 Edison PL Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Anderson, PH.D.Clinical Psychologist1063851939
- Dilrani Bhadare, PSY.D.Clinical Psychologist1023321460
- Norma Hirsch, PHDClinical Psychologist1073706982
- Teresa Hooker, PSY.D.Clinical Psychologist1750586731
- Mechelle Howard, NPAdult Health Nurse Practitioner1811128531
- Jacqueline Kampp, FNP-BCPsychiatric/Mental Health Nurse Practitioner1588900229
Verify Alison G. Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 32890Check 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
- Memory Check Psychological Services, A Professional CorporationCarlsbad, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alison G. Tan among 7,304 psychologist records in California
Alison G. Tan, 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. Its NPI, issued in 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2020 · median 2005 among the 1,058 with a school on file
- Record last updated2023 · 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).
21 psychologist records list a practice address in Carlsbad
They are 21 of the 3,411 NPPES records with a practice address in Carlsbad, and 7,304 psychologist records in California.
All 7,304 in California → Every provider in Carlsbad → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Alisa Brady, PHDCarlsbad, CA 920081164649992
- Milena Dun, PH.D.Carlsbad, CA 920081639439565
- N. Dunn, PH.D.Carlsbad, CA 920081376535955
- Taryn Gammon, PHDCarlsbad, CA 920081083994073
- Heide Hamelberg, PHDCarlsbad, CA 920081518061266
- Megan Lewis, PSY.D.Carlsbad, CA 920081689616856
- Devora Lockton, PH.DCarlsbad, CA 920081992792410
- Alexis Moreno, PSB94029593Carlsbad, CA 920081356667141
Common questions
What is Alison G. Tan, PHD's NPI number?
Alison G. Tan, PHD's National Provider Identifier (NPI) is 1962172593, issued on Sep 15, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alison G. Tan, PHD located?
The NPPES record lists a practice address at 5838 Edison PL Ste 100, Carlsbad, CA, 92008. Phone: (215) 344-8187. Providers update this record themselves, so call before visiting.
How can I verify Alison G. Tan, PHD's license?
NPPES lists California license number 32890, 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.