Chester Abbott, M.D.
Child & Adolescent Psychiatry Physician · Pasadena, CA
Chester Abbott, M.D. is a child & adolescent psychiatry physician with a practice address in Pasadena, California, and NPI 1053442186, issued on Mar 8, 2007. Check the license (California A73915, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chester Abbott
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- A73915 CA
Self-reported in NPPES; status is on the state search - Practice location
- 118 S Oak Knoll Ave, Pasadena, CA 91101
- Phone
- (626) 795-6907
- Enumerated
- Mar 8, 2007
- Record last updated
- Jun 3, 2025
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 118 S Oak Knoll Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Perla AdefMarriage & Family Therapist1194856229
- Jennifer AlumbaughMarriage & Family Therapist1609094267
- Patricia AveryClinical Social Worker1730211707
- Katherine Beyer, MSWMental Health Counselor1831407329
- Suzanne BrownMarriage & Family Therapist1699806513
- Stephanie CarbajalRehabilitation Practitioner1699242453
Verify Chester Abbott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
28 Medicare Part D claims, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Citalopram Hbr12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Chester Abbott among 1,009 child & adolescent psychiatry physician records in California
Chester Abbott, M.D. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 41% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Pasadena → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Nancy Cheng, M.D.Pasadena, CA 911011134501893
- Eliot Moon, M.D.Pasadena, CA 911051821153743
- Alfred Robenzadeh, MDPasadena, CA 911051083972509
- Linda Woodall, MDPasadena, CA 911051477522738
- Asra Ahmed, MDPasadena, CA 911071184061103
- Daryoush Jamal, M.D.Pasadena, CA 911071427154038
- Laurance Johnson, MDPasadena, CA 911071245457407
- Reda Bendaoud, M.D.Monrovia, CA 910161447326533
Common questions
What is Chester Abbott, M.D.'s NPI number?
Chester Abbott, M.D.'s National Provider Identifier (NPI) is 1053442186, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chester Abbott, M.D. located?
The NPPES record lists a practice address at 118 S Oak Knoll Ave, Pasadena, CA, 91101. Phone: (626) 795-6907. Providers update this record themselves, so call before visiting.
How can I verify Chester Abbott, M.D.'s license?
NPPES lists California license number A73915, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chester Abbott, M.D. prescribe under Medicare Part D?
In 2024, Chester Abbott, M.D. had 28 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions 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.