MARIYA LEONIDOVNA SAMOYLOVA M.D.
NPI 1649702283
Thoracic Surgery (Cardiothoracic Vascular Surgery) in San Francisco, CA

Active since April 02, 2017PECOS Enrolled
1600 DIVISADERO ST FL 4, SAN FRANCISCO, CA 94143(415) 502-2199 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 18, 2026, Apr 2, 2017 (2 updates tracked since 2017).

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

NPI1649702283
Entity TypeIndividualFemale
Primary Taxonomy208G00000X
Provider Legal NameMARIYA LEONIDOVNA SAMOYLOVACredential: M.D.
Location Address1600 DIVISADERO ST FL 4San Francisco, CA 94143-3010
Mailing Address2301 Erwin RdDurham, NC 27705-4699 · (919) 684-8111
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2017
Enumeration DateApril 2, 2017
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1649702283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in CA · A211188
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Also ListedSurgeryTaxonomy 208600000X · License A211188 (CA)
1600 DIVISADERO ST FL 4, San Francisco, CA 94143

Secondary Practice Location 1

Location 12301 Erwin RdDurham, NC 27705-4699 · Phone (919) 684-8111

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).

PECOS PAC ID244790954
PECOS Enrollment IDI20260902000435
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare 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.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Surgery
505 PARNASSUS AVE
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.

New Patient
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant
1600 DIVISADERO ST FL 4
SAN FRANCISCO, CA 94143
Internal Medicine (Pulmonary Disease)
1600 DIVISADERO ST FL 4
SAN FRANCISCO, CA 94143
Surgery
1600 DIVISADERO ST FL 4
SAN FRANCISCO, CA 94143
Surgery
1600 DIVISADERO ST FL 4
SAN FRANCISCO, CA 94143
Nurse Practitioner (Obstetrics & Gynecology)
1600 DIVISADERO ST FL 4
SAN FRANCISCO, CA 94143
Physician Assistant
1600 DIVISADERO ST FL 4
SAN FRANCISCO, CA 94143
Surgery
1600 DIVISADERO ST FL 4
SAN FRANCISCO, CA 94143
Surgery (Surgical Oncology)
1600 DIVISADERO ST FL 4
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.