Sydney Russell Leed, MD
NPI 1235769514 · Psychiatry Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Russell Leed, MD is a Psychiatry Physician provider in Cambridge, MA (NPI 1235769514).
Provider details
- NPI number
- 1235769514
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD20551 (RI)
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 tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Mailing address
Additional practice locations (2)
- 766 Irving AveSyracuse, NY 13210-1630Phone: (603) 686-2612
- 530 N Main StProvidence, RI 02904-5762Phone: (401) 274-2500Fax: (401) 276-4125
Registry dates
- Enumerated
- 2020-01-24
- Last updated
- 2025-10-07
- Certified
- 2025-10-07
Frequently asked questions
- What is Sydney Russell Leed's NPI number?
- Sydney Russell Leed's National Provider Identifier (NPI) is 1235769514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Russell Leed's specialty?
- Sydney Russell Leed is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sydney Russell Leed located?
- Sydney Russell Leed's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1099.
- What is Sydney Russell Leed's phone number?
- The practice phone number listed in the NPPES registry for Sydney Russell Leed is (617) 665-1000.
- Does Sydney Russell Leed accept Medicare?
- Sydney Russell Leed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Russell Leed's NPI active?
- Yes — Sydney Russell Leed's NPI (1235769514) is active in the NPPES registry as of the last update on 2025-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.