Matthew Ryan Pirnazar, M.D.
Child & Adolescent Psychiatry Physician · Los Angeles, CA
Matthew Ryan Pirnazar, M.D. is a child & adolescent psychiatry physician with a practice address in Los Angeles, California, and NPI 1811015241, issued on Mar 26, 2007. Check the license (California A86494, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Ryan Pirnazar
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- A86494 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 Camino Palmero St, Los Angeles, CA 90046
- Phone
- (310) 876-0550
- Enumerated
- Mar 26, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080611000330); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 1701 Camino Palmero St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Barbara BlankevoortLicensed Vocational Nurse1952604902
- Gerald Buhay, LVNLicensed Vocational Nurse1700189362
- Veronica ChavezLicensed Vocational Nurse1972924462
- Jaime CoplanRehabilitation Practitioner1043685506
- Cindy De Leon, LVNLicensed Vocational Nurse1780125666
Verify Matthew Ryan Pirnazar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average child & adolescent psychiatry physician in 2024
2,416 Medicare Part D claims for 266 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Clonazepam156 claims
- Lorazepam134 claims
- Alprazolam127 claims
- Duloxetine Hcl101 claims
- Trazodone Hcl92 claims
- Buspirone Hcl89 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Ryan Pirnazar among 1,009 child & adolescent psychiatry physician records in California
Matthew Ryan Pirnazar, 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 fileYes · 21% of these records are
- Graduated2002 · median 2005 among the 215 with a school on file
- Record last updated2021 · 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 Los Angeles → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Meredith Harewood, M.D.Los Angeles, CA 900481083026843
- Robert Holloway, M.D.Los Angeles, CA 900481457488587
- Syed NaqviLos Angeles, CA 900481538209671
- Daniel Schaefer, M.D.Los Angeles, CA 900481689895195
- Ann Verma, M.D.Los Angeles, CA 900481902152242
- Xiaoling Zhu, MDLos Angeles, CA 900481285882274
- Van Dyke Degolia, M.D.Los Angeles, CA 900491902945942
- Maureen Gordon, M.D.Los Angeles, CA 900491659406361
Common questions
What is Matthew Ryan Pirnazar, M.D.'s NPI number?
Matthew Ryan Pirnazar, M.D.'s National Provider Identifier (NPI) is 1811015241, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Ryan Pirnazar, M.D. located?
The NPPES record lists a practice address at 1701 Camino Palmero St, Los Angeles, CA, 90046. Phone: (310) 876-0550. Providers update this record themselves, so call before visiting.
How can I verify Matthew Ryan Pirnazar, M.D.'s license?
NPPES lists California license number A86494, 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 Matthew Ryan Pirnazar, M.D. prescribe under Medicare Part D?
In 2024, Matthew Ryan Pirnazar, M.D. had 2,416 Medicare Part D claims for 266 beneficiaries; 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.