Sivan Vainer, MD
Obstetrics & Gynecology Physician · Boston, MA
Sivan Vainer, MD is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1134658487, issued on Jun 9, 2017. Check the license (Massachusetts 272553, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sivan Vainer
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 272553 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-0265
- Enumerated
- Jun 9, 2017
- Record last updated
- Jun 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211112002150); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
- Omer Abbak, PHARMDPharmacist1114500337
- Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
- Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify Sivan Vainer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 272553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
74 Medicare Part D claims for 33 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol12 claims
- Misoprostol11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $47.71
2 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mount Auburn Professional Services IncCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sivan Vainer among 1,127 obstetrics & gynecology physician records in Massachusetts
Sivan Vainer, MD is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2004 among the 715 with a school on file
- Record last updated2017 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Boston → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Abeer Al-Naqbi, M.D.Boston, MA 021111043426919
- Laura Baecher-Lind, MD, MPHBoston, MA 021111609096684
- Craig Champion, D.O.Boston, MA 021111629251749
- Lucy Chie, M.D.Boston, MA 021111881709772
- Janet Chollet, M.D.Boston, MA 021111003875659
- Jennifer Daman, M.D.Boston, MA 021111891888970
- Alissa Dangel, MDBoston, MA 021111235353475
- Edward Evantash, M.D.Boston, MA 021111386737468
Common questions
What is Sivan Vainer, MD's NPI number?
Sivan Vainer, MD's National Provider Identifier (NPI) is 1134658487, issued on Jun 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sivan Vainer, MD located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-0265. Providers update this record themselves, so call before visiting.
How can I verify Sivan Vainer, MD's license?
NPPES lists Massachusetts license number 272553, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sivan Vainer, MD prescribe under Medicare Part D?
In 2024, Sivan Vainer, MD had 74 Medicare Part D claims for 33 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.