Matthew Hirsch, M.D.
Otolaryngology Physician · Carlsbad, CA
Matthew Hirsch, M.D. is an otolaryngology physician with a practice address in Carlsbad, California, and NPI 1831331693, issued on Mar 25, 2009. Check the license (California C200972, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Hirsch
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- C200972 CA
25MA10959800 NJ
274646 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Cassia RD Ste 101, Carlsbad, CA 92009
- Phone
- (760) 479-2100
- Enumerated
- Mar 25, 2009
- Record last updated
- Jan 7, 2026
- Fax
- (619) 858-0928
- Medicare enrollment
- Enrolled (PECOS I20250709003332); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 2020 Cassia RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel FagaAudiologist1902723943
Verify Matthew Hirsch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C200972Check 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
- Stephen Dent MD IncEncinitas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Hirsch among 1,212 otolaryngology physician records in California
Matthew Hirsch, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2009 · median 2004 among the 818 with a school on file
- Record last updated2026 · 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 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Carlsbad → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Marco Ayala, M.D.Carlsbad, CA 920081023089992
- Vishal Banthia, MDCarlsbad, CA 920081043396559
- Supriti Paul, MDCarlsbad, CA 920111316063936
- Moses Salgado, M.D.Carlsbad, CA 920111235345489
- Robert Bone, M.D.Del Mar, CA 920141154396737
- Stephen Dent, MDEncinitas, CA 920241215943139
- Michael Morelock, M.D.Escondido, CA 920251851457527
- Saurabh Shah, MDEscondido, CA 920251790717957
Common questions
What is Matthew Hirsch, M.D.'s NPI number?
Matthew Hirsch, M.D.'s National Provider Identifier (NPI) is 1831331693, issued on Mar 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Hirsch, M.D. located?
The NPPES record lists a practice address at 2020 Cassia RD Ste 101, Carlsbad, CA, 92009. Phone: (760) 479-2100. Providers update this record themselves, so call before visiting.
How can I verify Matthew Hirsch, M.D.'s license?
NPPES lists California license number C200972, 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.
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.