Medical Associates, PC
NPI 1912984980 · Internal Medicine Physician · Ypsilanti, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Medical Associates, PC is a Internal Medicine Physician organization in Ypsilanti, MI (NPI 1912984980).
Provider details
- NPI number
- 1912984980
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Athar Siddiqui, President(734) 483-7136
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Other names (DBA / former)
- Former legal business name
- Athar Siddiqui, M.D., P.C.
Registry dates
- Enumerated
- 2005-12-29
- Last updated
- 2020-08-22
Frequently asked questions
- What is Medical Associates, PC's NPI number?
- Medical Associates, PC's National Provider Identifier (NPI) is 1912984980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Associates, PC?
- Medical Associates, PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Associates, PC located?
- Medical Associates, PC's practice location on file with NPPES is 428 S Grove St, Ypsilanti, MI 48198-5662.
- What is Medical Associates, PC's phone number?
- The practice phone number listed in the NPPES registry for Medical Associates, PC is (734) 483-7136.
- Does Medical Associates, PC accept Medicare?
- Medical Associates, PC 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, PC?
- The authorized official listed on Medical Associates, PC's NPPES record is Athar Siddiqui, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Associates, PC's NPI active?
- Yes — Medical Associates, PC's NPI (1912984980) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.