Ruth Fernandez Ruiz, M.D.
NPI 1083099063 · Rheumatology Physician · New York, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Fernandez Ruiz, M.D. is a Rheumatology Physician provider in New York, NY (NPI 1083099063).
Provider details
- NPI number
- 1083099063
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- R-10185 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2015-07-20
- Last updated
- 2022-03-28
- Certified
- 2022-03-28
Frequently asked questions
- What is Ruth Fernandez Ruiz's NPI number?
- Ruth Fernandez Ruiz's National Provider Identifier (NPI) is 1083099063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Fernandez Ruiz's specialty?
- Ruth Fernandez Ruiz is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth Fernandez Ruiz located?
- Ruth Fernandez Ruiz's practice location on file with NPPES is 535 E 70th St, New York, NY 10021-4898.
- What is Ruth Fernandez Ruiz's phone number?
- The practice phone number listed in the NPPES registry for Ruth Fernandez Ruiz is (212) 606-1000.
- Does Ruth Fernandez Ruiz accept Medicare?
- Ruth Fernandez Ruiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Fernandez Ruiz's NPI active?
- Yes — Ruth Fernandez Ruiz's NPI (1083099063) is active in the NPPES registry as of the last update on 2022-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.