Colin Ryan, MD
NPI 1558623421 · Emergency Medicine Physician · White Plains, NY
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Ryan, MD is a Emergency Medicine Physician provider in White Plains, NY (NPI 1558623421).
Provider details
- NPI number
- 1558623421
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT202113 (PA)
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
14 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2012-06-15
- Last updated
- 2021-12-17
Frequently asked questions
- What is Colin Ryan's NPI number?
- Colin Ryan's National Provider Identifier (NPI) is 1558623421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Ryan's specialty?
- Colin Ryan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Ryan located?
- Colin Ryan's practice location on file with NPPES is 41 E Post Rd, White Plains, NY 10601-4607.
- What is Colin Ryan's phone number?
- The practice phone number listed in the NPPES registry for Colin Ryan is (914) 681-1174.
- Does Colin Ryan accept Medicare?
- Colin Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Ryan's NPI active?
- Yes — Colin Ryan's NPI (1558623421) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.