Matthew Hirsch, M.D.
NPI 1831331693 · Otolaryngology Physician · Carlsbad, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Hirsch, M.D. is a Otolaryngology Physician provider in Carlsbad, CA (NPI 1831331693).
Provider details
- NPI number
- 1831331693
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA10959800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-03-25
- Last updated
- 2026-01-07
- Certified
- 2026-01-07
Frequently asked questions
- What is Matthew Hirsch's NPI number?
- Matthew Hirsch's National Provider Identifier (NPI) is 1831331693, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Hirsch's specialty?
- Matthew Hirsch is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Hirsch located?
- Matthew Hirsch's practice location on file with NPPES is 2020 Cassia Rd Ste 101, Carlsbad, CA 92009-4211.
- What is Matthew Hirsch's phone number?
- The practice phone number listed in the NPPES registry for Matthew Hirsch is (760) 479-2100.
- Does Matthew Hirsch accept Medicare?
- Matthew Hirsch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Hirsch's NPI active?
- Yes — Matthew Hirsch's NPI (1831331693) is active in the NPPES registry as of the last update on 2026-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.