Stephen Ryan, PHD
NPI 1831629047 · Psychologist · Duluth, MN
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Ryan, PHD is a Psychologist provider in Duluth, MN (NPI 1831629047).
Provider details
- NPI number
- 1831629047
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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)
- 707 N BroadwayBaltimore, MD 21205-1832Phone: (443) 923-2820
Registry dates
- Enumerated
- 2017-06-20
- Last updated
- 2018-09-07
Frequently asked questions
- What is Stephen Ryan's NPI number?
- Stephen Ryan's National Provider Identifier (NPI) is 1831629047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Ryan's specialty?
- Stephen Ryan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Ryan located?
- Stephen Ryan's practice location on file with NPPES is 530 East Second Street, Duluth, MN 55805.
- What is Stephen Ryan's phone number?
- The practice phone number listed in the NPPES registry for Stephen Ryan is (218) 786-5360.
- Does Stephen Ryan accept Medicare?
- Stephen Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Ryan's NPI active?
- Yes — Stephen Ryan's NPI (1831629047) is active in the NPPES registry as of the last update on 2018-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.