Stephen Giacomazzi, MD
NPI 1699301556 · Anesthesiology Physician · Pismo Beach, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Giacomazzi, MD is a Anesthesiology Physician provider in Pismo Beach, CA (NPI 1699301556).
Provider details
- NPI number
- 1699301556
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-03-22
- Last updated
- 2025-01-29
- Certified
- 2025-01-29
Frequently asked questions
- What is Stephen Giacomazzi's NPI number?
- Stephen Giacomazzi's National Provider Identifier (NPI) is 1699301556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Giacomazzi's specialty?
- Stephen Giacomazzi is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Giacomazzi located?
- Stephen Giacomazzi's practice location on file with NPPES is 221 Porterville St, Pismo Beach, CA 93449-2375.
- What is Stephen Giacomazzi's phone number?
- The practice phone number listed in the NPPES registry for Stephen Giacomazzi is (559) 816-1711.
- Does Stephen Giacomazzi accept Medicare?
- Stephen Giacomazzi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Giacomazzi's NPI active?
- Yes — Stephen Giacomazzi's NPI (1699301556) is active in the NPPES registry as of the last update on 2025-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.