Doctor profile · Federal record

Dr. Sivan Vainer, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Boston, MA

  • NPI 1134658487
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Washington St
Boston, MA 021111552
(617) 636-0265

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Massachusetts #272553

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134658487. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
2
Medicare allowed
$1,837
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $123
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 11 11 $44

In context: peer comparison

Among 30 peers in this city , average services per provider: 75. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals Inc. 1 $27.98
Merck Sharp & Dohme LLC 1 $19.73

By nature of payment

Food and Beverage
$48

Frequently asked questions

Auto-generated from federal data
What is Dr. Sivan Vainer's medical specialty?
Dr. Sivan Vainer practices Obstetrics & Gynecology Physician in Boston, MA.
Where does Dr. Sivan Vainer practice?
Dr. Sivan Vainer practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176360265.
What is Dr. Sivan Vainer's NPI?
Dr. Sivan Vainer's National Provider Identifier (NPI) is 1134658487, issued by NPPES.
Does Dr. Sivan Vainer accept Medicare assignment?
Yes. Dr. Sivan Vainer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sivan Vainer commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.