DR. JONATHAN G ZAROFF MD
NPI 1902857279
Internal Medicine - Cardiovascular Disease in San Francisco, CA
About Dr. Jonathan G Zaroff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN G ZAROFF MD (NPI 1902857279) is an individual cardiovascular disease provider in San Francisco, California, licensed in California (G84684) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jonathan G Zaroff Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jonathan Zaroff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jonathan Zaroff's NPI number?
The NPI number for Jonathan Zaroff is 1902857279. It was assigned to this individual provider in the NPPES registry on May 12, 2006.
Where is Jonathan Zaroff located?
Jonathan Zaroff practices at 350 Parnassus Ave, San Francisco, CA 94117. The listed phone number is (415) 353-2873.
What is Jonathan Zaroff's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Jonathan Zaroff enrolled in Medicare?
Yes. Jonathan Zaroff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jonathan Zaroff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Zaroff reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jonathan Zaroff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jonathan Zaroff was last updated on December 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Jonathan G Zaroff, MD · NPI 1902857279
Cardiovascular Disease physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 12, 2006.
## Identity
- **NPI:** 1902857279 (Entity type: Individual)
- **Enumerated:** May 12, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** G84684 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 PARNASSUS AVE, San Francisco, CA 94117-3608
- **Phone:** (415) 353-2873 · **Fax:** (415) 353-2528
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** December 22, 2021
- **Other identifiers:** Medicaid 00G846840 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1902857279) · Data from the CMS NPPES public registry.