DR. JESSICA MARGARET DZUBNAR BARKER MD
NPI 1700349750
Surgery - Surgical Oncology in San Francisco, CA
About Dr. Jessica Margaret Dzubnar Barker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JESSICA MARGARET DZUBNAR BARKER MD (NPI 1700349750) is an individual surgical oncology provider in San Francisco, California, licensed in California (A181738) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Oakland Univ, William Beaumont School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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. Jessica Margaret Dzubnar Barker 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 Reassignments
3Medicare enrollment records show Jessica Dzubnar Barker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 94143 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Jessica Dzubnar Barker's NPI number?
The NPI number for Jessica Dzubnar Barker is 1700349750. It was assigned to this individual provider in the NPPES registry on April 8, 2019. The provider is also known as Dr. Jessica Dzubnar.
Where is Jessica Dzubnar Barker located?
Jessica Dzubnar Barker practices at 1825 4th St Fl 3, San Francisco, CA 94143. The listed phone number is (415) 353-7070.
What is Jessica Dzubnar Barker's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Jessica Dzubnar Barker enrolled in Medicare?
Yes. Jessica Dzubnar Barker 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 organizations bill Medicare for Jessica Dzubnar Barker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Dzubnar Barker reassigns Medicare benefits to 3 organizations: Ucsf Dept Of Surgery (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each 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 Jessica Dzubnar Barker'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 Jessica Dzubnar Barker was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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. Jessica Margaret Dzubnar Barker, MD · NPI 1700349750
Surgical Oncology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 8, 2019.
## Identity
- **NPI:** 1700349750 (Entity type: Individual)
- **Enumerated:** April 8, 2019
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** A181738 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1825 4TH ST FL 3, San Francisco, CA 94143-2350
- **Phone:** (415) 353-7070
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oakland Univ, William Beaumont School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** July 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1700349750) · Data from the CMS NPPES public registry.