Gioia Iezza, MD
Cytopathology Physician · San Francisco, CA
Gioia Iezza, MD is a cytopathology physician with a practice address in San Francisco, California, and NPI 1235182114, issued on May 19, 2006. Check the license (California A66738, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gioia Iezza
- Credential
- MD
- Primary taxonomy
- Cytopathology Physician 207ZC0500X
- License number
- A66738 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Divisadero St, San Francisco, CA 94115
- Phone
- (415) 885-7301
- Enumerated
- May 19, 2006
- Record last updated
- Oct 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (415) 353-7676
- Medicaid ID
- 00A667380 CA
- Medicare enrollment
- Enrolled (PECOS I20040223000558); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cytopathology physician records → All 75 in California → Look up another NPI →
Also registered at 1600 Divisadero St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Betsy Althaus, PHARM.D.Pharmacist1366650657
- Mehrdad Arjomandi, MDCritical Care Medicine (Internal Medicine) Physician1912951153
- Chloe Atreya, MD, PHDMedical Oncology Physician1326058777
- Ronald Balassanian, MDAnatomic Pathology & Clinical Pathology Physician1043282379
- Christopher Benz, M.D.Medical Oncology Physician1457381014
- Emily Bergsland, MDMedical Oncology Physician1295792729
Verify Gioia Iezza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gioia Iezza among 75 cytopathology physician records in California
Gioia Iezza, MD is one of 75 cytopathology physician records with a practice address in California. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 33% newer
- In a Medicare fileYes · 52% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Graduated1994 · median 1996 among the 28 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZC0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cytopathology Physician providers in California
There are 75 cytopathology physician records in California.
All 75 in California → Every provider in San Francisco → Cytopathology Physician nationwide →
The 8 cytopathology physician records with the nearest ZIP codes
- Carlo De La Sancha VerduzcoSan Francisco, CA 941101972038222
- Douglas Hanks, MDSan Francisco, CA 941101689619322
- Zohreh Tabatabai, M.D.San Francisco, CA 941211992763528
- Patricia Goldhoff, M.D.San Francisco, CA 941221215234257
- Sarah Calkins, M.D.San Francisco, CA 941431073848503
- Teresa Darragh, MDSan Francisco, CA 941431982661435
- Nancy Greenland, MDSan Francisco, CA 941431427476712
- Kirk Jones, M.D.San Francisco, CA 941431588600290
Common questions
What is Gioia Iezza, MD's NPI number?
Gioia Iezza, MD's National Provider Identifier (NPI) is 1235182114, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gioia Iezza, MD located?
The NPPES record lists a practice address at 1600 Divisadero St, San Francisco, CA, 94115. Phone: (415) 885-7301. Providers update this record themselves, so call before visiting.
How can I verify Gioia Iezza, MD's license?
NPPES lists California license number A66738, 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.
What is Gioia Iezza, MD's MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.