Shireen Mreish, MD
NPI 1912555228 · Pediatrics Physician · Saginaw, MI
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shireen Mreish, MD is a Pediatrics Physician provider in Saginaw, MI (NPI 1912555228).
Provider details
- NPI number
- 1912555228
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301507612 (MI)
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
6 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)
- 1447 N Harrison StSaginaw, MI 48602-4727Phone: (899) 746-7500
Registry dates
- Enumerated
- 2019-08-29
- Last updated
- 2024-02-28
- Certified
- 2023-12-11
Frequently asked questions
- What is Shireen Mreish's NPI number?
- Shireen Mreish's National Provider Identifier (NPI) is 1912555228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shireen Mreish's specialty?
- Shireen Mreish is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Shireen Mreish located?
- Shireen Mreish's practice location on file with NPPES is 1000 Houghton Ave, Saginaw, MI 48602-5303.
- What is Shireen Mreish's phone number?
- The practice phone number listed in the NPPES registry for Shireen Mreish is (989) 746-7500.
- Does Shireen Mreish accept Medicare?
- Shireen Mreish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shireen Mreish's NPI active?
- Yes — Shireen Mreish's NPI (1912555228) is active in the NPPES registry as of the last update on 2024-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.