Medical Associates, P.C.
NPI 1659539781 · Infectious Disease Physician · Elmhurst, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Medical Associates, P.C. is a Infectious Disease Physician organization in Elmhurst, NY (NPI 1659539781).
Provider details
- NPI number
- 1659539781
- Entity type
- Organization
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marie Dy-Guillaume, President(718) 779-9599
- License
- 210261 (NY)
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
18 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
- 2008-05-27
- Last updated
- 2008-11-04
Frequently asked questions
- What is Medical Associates, P.C.'s NPI number?
- Medical Associates, P.C.'s National Provider Identifier (NPI) is 1659539781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Associates, P.C.?
- Medical Associates, P.C. is classified in the NPPES registry as Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Associates, P.C. located?
- Medical Associates, P.C.'s practice location on file with NPPES is 8708 Justice Ave, Elmhurst, NY 11373-4575.
- What is Medical Associates, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Medical Associates, P.C. is (718) 779-9599.
- Does Medical Associates, P.C. accept Medicare?
- Medical Associates, P.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Medical Associates, P.C.?
- The authorized official listed on Medical Associates, P.C.'s NPPES record is Marie Dy-Guillaume, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Associates, P.C.'s NPI active?
- Yes — Medical Associates, P.C.'s NPI (1659539781) is active in the NPPES registry as of the last update on 2008-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.