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Sarah Riordan, MD
NPI 1679153852 · Pediatrics Physician · New York, NY
Sarah Riordan, MD is a Pediatrics Physician provider in New York, NY (NPI 1679153852).
Provider details
- NPI number
- 1679153852
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
550 1st Ave
New York, NY 10016-6402
Phone: (212) 263-5506
Street-level locationGet directions
Mailing address
498 Hope St
Stamford, CT 06906-1312
Registry dates
- Enumerated
- 2021-04-12
- Last updated
- 2024-06-22
- Certified
- 2024-06-22
Frequently asked questions
- What is Sarah Riordan's NPI number?
- Sarah Riordan's National Provider Identifier (NPI) is 1679153852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Riordan's specialty?
- Sarah Riordan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Riordan located?
- Sarah Riordan's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Sarah Riordan's phone number?
- The practice phone number listed in the NPPES registry for Sarah Riordan is (212) 263-5506.
- Is Sarah Riordan's NPI active?
- Yes — Sarah Riordan's NPI (1679153852) is active in the NPPES registry as of the last update on 2024-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.