JONATHAN SAMUEL BEREK MD
NPI 1164447900
Obstetrics & Gynecology - Gynecologic Oncology in Stanford, CA
About Jonathan Samuel Berek Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN SAMUEL BEREK MD (NPI 1164447900) is an individual gynecologic oncology provider in Stanford, California, licensed in California (G39480) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jonathan Samuel Berek Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jonathan Berek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Berek's NPI number?
The NPI number for Jonathan Berek is 1164447900. It was assigned to this individual provider in the NPPES registry on July 13, 2006.
Where is Jonathan Berek located?
Jonathan Berek practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Jonathan Berek's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Jonathan Berek enrolled in Medicare?
Yes. Jonathan Berek is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jonathan Berek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Berek reassigns Medicare benefits to Stanford Health Care (Stanford, 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 Berek'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 Berek was last updated on April 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Jonathan Samuel Berek, MD · NPI 1164447900
Gynecologic Oncology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since July 13, 2006.
## Identity
- **NPI:** 1164447900 (Entity type: Individual)
- **Enumerated:** July 13, 2006
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** G39480 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000 · **Fax:** (650) 726-0902
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Stanford Health Care (NPI 1437292927, Stanford, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1164447900) · Data from the CMS NPPES public registry.