Medical Anesthesia Associates of Southern California Inc
NPI 1255843322 · Pain Medicine (Anesthesiology) Physician · Rancho Cucamonga, CA
Medical Anesthesia Associates of Southern California Inc is a Pain Medicine (Anesthesiology) Physician organization in Rancho Cucamonga, CA (NPI 1255843322).
Provider details
- NPI number
- 1255843322
- Entity type
- Organization
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Nassiri, President(951) 371-1067
- License
- A86743 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2017-10-30
- Last updated
- 2019-01-10
Frequently asked questions
- What is Medical Anesthesia Associates of Southern California Inc's NPI number?
- Medical Anesthesia Associates of Southern California Inc's National Provider Identifier (NPI) is 1255843322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Anesthesia Associates of Southern California Inc?
- Medical Anesthesia Associates of Southern California Inc is classified in the NPPES registry as Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Anesthesia Associates of Southern California Inc located?
- Medical Anesthesia Associates of Southern California Inc's practice location on file with NPPES is 9461 Pittsburgh Ave Ste B, Rancho Cucamonga, CA 91730-9022.
- What is Medical Anesthesia Associates of Southern California Inc's phone number?
- The practice phone number listed in the NPPES registry for Medical Anesthesia Associates of Southern California Inc is (909) 460-8300.
- Who is the authorized official for Medical Anesthesia Associates of Southern California Inc?
- The authorized official listed on Medical Anesthesia Associates of Southern California Inc's NPPES record is James Nassiri, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Anesthesia Associates of Southern California Inc's NPI active?
- Yes — Medical Anesthesia Associates of Southern California Inc's NPI (1255843322) is active in the NPPES registry as of the last update on 2019-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.