Doctor profile · Federal record

Dr. Sian Mara, MS, PA-C

Physician Assistant · San Francisco, CA

  • NPI 1114357126
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
400 Parnassus Ave
San Francisco, CA 941432202
(415) 746-1000
Additional location
1275 York Ave
New York, NY 100656007
(212) 639-6402
Mailing address
1275 York Ave
New York, NY 100656007

Credentials & registration

NPPES · NUCC
NPI registered
November 2013 — 13 yrs on file
Profile last updated
September 11, 2025
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #016771

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114357126. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Becton, Dickinson and Company 1 $20.41

By nature of payment

Food and Beverage
$20

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sian Mara's medical specialty?
Dr. Sian Mara practices Physician Assistant in San Francisco, CA.
Where does Dr. Sian Mara practice?
Dr. Sian Mara practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4157461000.
What is Dr. Sian Mara's NPI?
Dr. Sian Mara's National Provider Identifier (NPI) is 1114357126, issued by NPPES.
Does Dr. Sian Mara accept Medicare assignment?
Yes. Dr. Sian Mara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.