Macklin Nguyen, MD
NPI 1669931713 · Radiation Oncology Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Macklin Nguyen, MD is a Radiation Oncology Physician provider in Rockford, IL (NPI 1669931713).
Provider details
- NPI number
- 1669931713
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 9300 W Sunset RdLas Vegas, NV 89148-4844Phone: (702) 916-5000
Registry dates
- Enumerated
- 2019-03-18
- Last updated
- 2024-12-20
- Certified
- 2024-12-20
Frequently asked questions
- What is Macklin Nguyen's NPI number?
- Macklin Nguyen's National Provider Identifier (NPI) is 1669931713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Macklin Nguyen's specialty?
- Macklin Nguyen is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Macklin Nguyen located?
- Macklin Nguyen's practice location on file with NPPES is 3535 N Bell School Rd, Rockford, IL 61114-6624.
- What is Macklin Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Macklin Nguyen is (779) 696-9400.
- Does Macklin Nguyen accept Medicare?
- Macklin Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Macklin Nguyen's NPI active?
- Yes — Macklin Nguyen's NPI (1669931713) is active in the NPPES registry as of the last update on 2024-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.