Riwa Sabbagh
NPI 1831621085 · Reproductive Endocrinology Physician · Waltham, MA
Riwa Sabbagh is a Reproductive Endocrinology Physician provider in Waltham, MA (NPI 1831621085).
Provider details
- NPI number
- 1831621085
- Entity type
- Individual
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-28
- Last updated
- 2024-06-27
- Certified
- 2024-06-27
Frequently asked questions
- What is Riwa Sabbagh's NPI number?
- Riwa Sabbagh's National Provider Identifier (NPI) is 1831621085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Riwa Sabbagh's specialty?
- Riwa Sabbagh is listed in the NPPES registry with a primary specialty of Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Riwa Sabbagh located?
- Riwa Sabbagh's practice location on file with NPPES is 130 Second Ave, Waltham, MA 02451-1100.
- What is Riwa Sabbagh's phone number?
- The practice phone number listed in the NPPES registry for Riwa Sabbagh is (781) 434-6500.
- Is Riwa Sabbagh's NPI active?
- Yes — Riwa Sabbagh's NPI (1831621085) is active in the NPPES registry as of the last update on 2024-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.