Ronald Balassanian, MD
Anatomic Pathology & Clinical Pathology Physician · San Francisco, CA
Ronald Balassanian, MD is an anatomic pathology & clinical pathology physician with a practice address in San Francisco, California, and NPI 1043282379, issued on Feb 2, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald Balassanian
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License numbers
- MD425251 PA
231336 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Divisadero St, San Francisco, CA 94115
- Phone
- (415) 514-6642
- Enumerated
- Feb 2, 2006
- Record last updated
- Sep 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (415) 353-7676
- Medicaid ID
- 101164898 PA
- Medicare enrollment
- Enrolled (PECOS I20101214000607); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 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
- Christopher Benz, M.D.Medical Oncology Physician1457381014
- Emily Bergsland, MDMedical Oncology Physician1295792729
- John Berry, M.D.Medical Oncology Physician1942236997
Verify Ronald Balassanian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Balassanian among 1,554 anatomic pathology & clinical pathology physician records in California
Ronald Balassanian, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1996 · median 2003 among the 891 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in San Francisco → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Andrew Bandy, M.D.San Francisco, CA 941151902148810
- Amanda Borgen, MDSan Francisco, CA 941151851928469
- Sarah Cherny, M.D.San Francisco, CA 941151750593869
- Carey Eberle, M.D.San Francisco, CA 941151790913507
- Dean Fong, DOSan Francisco, CA 941151609057041
- James Mathews, MDSan Francisco, CA 941151851520878
- Maria Serrano, M.D.San Francisco, CA 941151518064419
- Michael Deftos, M.D.,PH.D.San Francisco, CA 941161346557139
Common questions
What is Ronald Balassanian, MD's NPI number?
Ronald Balassanian, MD's National Provider Identifier (NPI) is 1043282379, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Balassanian, MD located?
The NPPES record lists a practice address at 1600 Divisadero St, San Francisco, CA, 94115. Phone: (415) 514-6642. Providers update this record themselves, so call before visiting.
How can I verify Ronald Balassanian, MD's license?
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 Ronald Balassanian, 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.