Gregory Nichols, RN, MSN, FNP-BC
NPI 1669771861 · Nurse Practitioner · Westchester, IL
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Nichols, RN, MSN, FNP-BC is a Nurse Practitioner provider in Westchester, IL (NPI 1669771861).
Provider details
- NPI number
- 1669771861
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN, FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 209.008721 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
3 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 (2)
- 16547 W 159th StLockport, IL 60441-7900Phone: (815) 834-9075
- 8525 183rd St Ste MTinley Park, IL 60487-3702Phone: (708) 781-4400
Registry dates
- Enumerated
- 2011-03-28
- Last updated
- 2022-04-18
- Certified
- 2022-04-18
Frequently asked questions
- What is Gregory Nichols's NPI number?
- Gregory Nichols's National Provider Identifier (NPI) is 1669771861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Nichols's specialty?
- Gregory Nichols is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Nichols located?
- Gregory Nichols's practice location on file with NPPES is 1 Westbrook Corporate Ctr Ste 300, Westchester, IL 60154-5709.
- What is Gregory Nichols's phone number?
- The practice phone number listed in the NPPES registry for Gregory Nichols is (866) 949-0108.
- Does Gregory Nichols accept Medicare?
- Gregory Nichols is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Nichols's NPI active?
- Yes — Gregory Nichols's NPI (1669771861) is active in the NPPES registry as of the last update on 2022-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.