Stephen Giacomazzi, MD
Anesthesiology Physician · Pismo Beach, CA
Stephen Giacomazzi, MD is an anesthesiology physician with a practice address in Pismo Beach, California, and NPI 1699301556, issued on Mar 22, 2020. Check the license (California 2120, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Giacomazzi
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 2120 CA
Self-reported in NPPES; status is on the state search - Practice location
- 221 Porterville St, Pismo Beach, CA 93449
- Phone
- (559) 816-1711
- Enumerated
- Mar 22, 2020
- Record last updated
- Jan 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20251021002215); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Stephen Giacomazzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 2120Check 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
- Associated Anesthesiologists OF The Central CoastSan Luis Obispo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Giacomazzi among 7,571 anesthesiology physician records in California
Stephen Giacomazzi, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2020 · median 2006 among the 4,868 with a school on file
- Record last updated2025 · 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 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Pismo Beach → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Daniel Cramer, M.D.Pismo Beach, CA 934491316478415
- Ricki Barnett, M.D.Paso Robles, CA 934461740499268
- Donald Alderman, MDSanta Maria, CA 934541972547875
- Jia-Yi Bian, D.O.Santa Maria, CA 934541104003516
- Theodore Burdumy, MDSanta Maria, CA 934541679569891
- Johnny Chen, M.D.Santa Maria, CA 934541225286479
- Daniel Cosca, MDSanta Maria, CA 934541225024433
- Kaigo Hwang, M.D.Santa Maria, CA 934541982690962
Common questions
What is Stephen Giacomazzi, MD's NPI number?
Stephen Giacomazzi, MD's National Provider Identifier (NPI) is 1699301556, issued on Mar 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Giacomazzi, MD located?
The NPPES record lists a practice address at 221 Porterville St, Pismo Beach, CA, 93449. Phone: (559) 816-1711. Providers update this record themselves, so call before visiting.
How can I verify Stephen Giacomazzi, MD's license?
NPPES lists California license number 2120, 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.