Ryan Terrillion, DO
NPI 1821899725 · Anesthesiology Physician · Maywood, IL
Enrolled with Medicare as Order and Referring Only - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Terrillion, DO is a Anesthesiology Physician provider in Maywood, IL (NPI 1821899725).
Provider details
- NPI number
- 1821899725
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
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
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2025-03-24
- Last updated
- 2025-05-13
- Certified
- 2025-05-13
Frequently asked questions
- What is Ryan Terrillion's NPI number?
- Ryan Terrillion's National Provider Identifier (NPI) is 1821899725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Terrillion's specialty?
- Ryan Terrillion is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Terrillion located?
- Ryan Terrillion's practice location on file with NPPES is 2160 S 1st Ave Dept of, Maywood, IL 60153-3328.
- What is Ryan Terrillion's phone number?
- The practice phone number listed in the NPPES registry for Ryan Terrillion is (708) 216-4533.
- Does Ryan Terrillion accept Medicare?
- Ryan Terrillion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Terrillion's NPI active?
- Yes — Ryan Terrillion's NPI (1821899725) is active in the NPPES registry as of the last update on 2025-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.