MARIYA LEONIDOVNA SAMOYLOVA M.D.
NPI 1649702283
Thoracic Surgery (Cardiothoracic Vascular Surgery) in San Francisco, CA
About Mariya Leonidovna Samoylova M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIYA LEONIDOVNA SAMOYLOVA M.D. (NPI 1649702283) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in San Francisco, California, licensed in California (A211188) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Durham, and is a graduate of University Of California, San Francisco School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mariya Leonidovna Samoylova M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mariya Samoylova 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
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 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 9
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
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 Mariya Samoylova's NPI number?
The NPI number for Mariya Samoylova is 1649702283. It was assigned to this individual provider in the NPPES registry on April 2, 2017.
Where is Mariya Samoylova located?
Mariya Samoylova practices at 1600 Divisadero St Fl 4, San Francisco, CA 94143. The listed phone number is (415) 502-2199.
What is Mariya Samoylova's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Mariya Samoylova enrolled in Medicare?
Yes. Mariya Samoylova is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mariya Samoylova's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariya Samoylova reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Dept Of Surgery (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 Mariya Samoylova'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 Mariya Samoylova was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.