Peter Nguyen, M.D.
NPI 1649653494 · Pediatric Emergency Medicine (Pediatrics) Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Nguyen, M.D. is a Pediatric Emergency Medicine (Pediatrics) Physician provider in Oak Lawn, IL (NPI 1649653494).
Provider details
- NPI number
- 1649653494
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301115622 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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)
- 100 Michigan St Ne # Mc49Grand Rapids, MI 49503Phone: (616) 391-1680
Registry dates
- Enumerated
- 2015-06-29
- Last updated
- 2025-04-18
- Certified
- 2025-04-18
Frequently asked questions
- What is Peter Nguyen's NPI number?
- Peter Nguyen's National Provider Identifier (NPI) is 1649653494, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Nguyen's specialty?
- Peter Nguyen is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Nguyen located?
- Peter Nguyen's practice location on file with NPPES is 4440 W 95th St Ste 1200h, Oak Lawn, IL 60453-2600.
- What is Peter Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Peter Nguyen is (708) 684-5341.
- Does Peter Nguyen accept Medicare?
- Peter Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Nguyen's NPI active?
- Yes — Peter Nguyen's NPI (1649653494) is active in the NPPES registry as of the last update on 2025-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.