NPPES file of Aug 9, 2026

Riwa Sabbagh

Reproductive Endocrinology Physician · Waltham, MA

Riwa Sabbagh is a reproductive endocrinology physician with a practice address in Waltham, Massachusetts, and NPI 1831621085, issued on Mar 28, 2017. Check the license (Massachusetts 286611, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831621085
Name
Riwa Sabbagh
Primary taxonomy
Reproductive Endocrinology Physician 207VE0102X
License number
286611 MA
Self-reported in NPPES; status is on the state search
Practice location
130 Second Ave, Waltham, MA 02451
Phone
(781) 434-6500
Enumerated
Mar 28, 2017
Record last updated
Jun 27, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest reproductive endocrinology physician records → All 69 in Massachusetts → Look up another NPI →

Also registered at 130 Second Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christen Anderson, NPObstetrics & Gynecology Nurse Practitioner1982889986
  2. Sara Arian, MD, MSCReproductive Endocrinology Physician1336495597
  3. Maya BryantWomen's Health Nurse Practitioner1982521787
  4. Colleen CanavanObstetrics & Gynecology Nurse Practitioner1225971070
  5. Sara Damata, DNP, WHNP, MSN, RNWomen's Health Nurse Practitioner1134960842
  6. Josette Dawkins, M.D.Reproductive Endocrinology Physician1629454814

Verify Riwa Sabbagh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 286611    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $26.82

1 payment: food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Riwa Sabbagh$26.82
  2. Specialty average$1,086.52

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Riwa Sabbagh among 69 reproductive endocrinology physician records in Massachusetts

Riwa Sabbagh is one of 69 reproductive endocrinology physician records with a practice address in Massachusetts. 71% 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 90% of them.

  • NPI issued2017 · 90% of these records are older, 4% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Reproductive Endocrinology Physician providers in Massachusetts

There are 69 reproductive endocrinology physician records in Massachusetts.

All 69 in Massachusetts → Every provider in Waltham → Reproductive Endocrinology Physician nationwide →

The 8 reproductive endocrinology physician records with the nearest ZIP codes

  1. Sara Arian, MD, MSCWaltham, MA 024511336495597
  2. Merle Berger, M.D.Waltham, MA 024511215974506
  3. Josette Dawkins, M.D.Waltham, MA 024511629454814
  4. Alan Penzias, M.D.Waltham, MA 024511497701866
  5. Rita Sneeringer, M.D.Waltham, MA 024511477509024
  6. Kim Thornton, MDWaltham, MA 024511992742191
  7. Steven Bayer, M.D.Brookline, MA 024451154375038
  8. Selwyn Oskowitz, M.D.Brookline, MA 024451235176868

Common questions

What is Riwa Sabbagh's NPI number?

Riwa Sabbagh's National Provider Identifier (NPI) is 1831621085, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Riwa Sabbagh located?

The NPPES record lists a practice address at 130 Second Ave, Waltham, MA, 02451. Phone: (781) 434-6500. Providers update this record themselves, so call before visiting.

How can I verify Riwa Sabbagh's license?

NPPES lists Massachusetts license number 286611, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.