Grisel Mac Williams MD PA
NPI 1083910202 · Internal Medicine Physician · Hialeah, FL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grisel Mac Williams MD PA is a Internal Medicine Physician organization in Hialeah, FL (NPI 1083910202).
Provider details
- NPI number
- 1083910202
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michel Diaz, Office Manager(305) 691-7018
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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 18044 Nw 6th St Ste 101Pembroke Pines, FL 33029-2824Phone: (954) 885-9904
Registry dates
- Enumerated
- 2011-02-05
- Last updated
- 2024-04-02
- Certified
- 2024-04-02
Frequently asked questions
- What is Grisel Mac Williams MD PA's NPI number?
- Grisel Mac Williams MD PA's National Provider Identifier (NPI) is 1083910202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grisel Mac Williams MD PA?
- Grisel Mac Williams MD PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grisel Mac Williams MD PA located?
- Grisel Mac Williams MD PA's practice location on file with NPPES is 810 E 39th Pl, Hialeah, FL 33013-2863.
- What is Grisel Mac Williams MD PA's phone number?
- The practice phone number listed in the NPPES registry for Grisel Mac Williams MD PA is (305) 691-7018.
- Does Grisel Mac Williams MD PA accept Medicare?
- Grisel Mac Williams MD PA 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 Grisel Mac Williams MD PA?
- The authorized official listed on Grisel Mac Williams MD PA's NPPES record is Michel Diaz, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grisel Mac Williams MD PA's NPI active?
- Yes — Grisel Mac Williams MD PA's NPI (1083910202) is active in the NPPES registry as of the last update on 2024-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.