Sarah-Margaret Marks, M.D.
NPI 1821529140 · Psychiatry Physician · Glen Oaks, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah-Margaret Marks, M.D. is a Psychiatry Physician provider in Glen Oaks, NY (NPI 1821529140).
Provider details
- NPI number
- 1821529140
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- 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 tenure38% of score
9 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
Mailing address
Registry dates
- Enumerated
- 2017-03-27
- Last updated
- 2025-08-11
- Certified
- 2025-08-11
Frequently asked questions
- What is Sarah-Margaret Marks's NPI number?
- Sarah-Margaret Marks's National Provider Identifier (NPI) is 1821529140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah-Margaret Marks's specialty?
- Sarah-Margaret Marks is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah-Margaret Marks located?
- Sarah-Margaret Marks's practice location on file with NPPES is 7559 263rd St, Glen Oaks, NY 11004-1150.
- What is Sarah-Margaret Marks's phone number?
- The practice phone number listed in the NPPES registry for Sarah-Margaret Marks is (718) 470-8005.
- Does Sarah-Margaret Marks accept Medicare?
- Sarah-Margaret Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah-Margaret Marks's NPI active?
- Yes — Sarah-Margaret Marks's NPI (1821529140) is active in the NPPES registry as of the last update on 2025-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.