OrganizationActive
Ruth M. Yanagi, M.D., S.c.
NPI 1477859171 · Psychiatry Physician · Chicago, IL
Ruth M. Yanagi, M.D., S.c. is a Psychiatry Physician organization in Chicago, IL (NPI 1477859171).
Provider details
- NPI number
- 1477859171
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ruth Yanagi, President(312) 663-5399
- License
- 67584597 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(82/100 index)
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
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
122 S. Michigan Avenue
Suite 1317
Chicago, IL 60603-6191
Phone: (312) 663-5399
Fax: (312) 922-5656
Street-level locationGet directions
Mailing address
122 S. Michigan Avenue
Chicago, IL 60603-6191
Registry dates
- Enumerated
- 2011-01-28
- Last updated
- 2011-02-05
Frequently asked questions
- What is Ruth M. Yanagi, M.D., S.c.'s NPI number?
- Ruth M. Yanagi, M.D., S.c.'s National Provider Identifier (NPI) is 1477859171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ruth M. Yanagi, M.D., S.c.?
- Ruth M. Yanagi, M.D., S.c. is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth M. Yanagi, M.D., S.c. located?
- Ruth M. Yanagi, M.D., S.c.'s practice location on file with NPPES is 122 S. Michigan Avenue, Chicago, IL 60603-6191.
- What is Ruth M. Yanagi, M.D., S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Ruth M. Yanagi, M.D., S.c. is (312) 663-5399.
- Who is the authorized official for Ruth M. Yanagi, M.D., S.c.?
- The authorized official listed on Ruth M. Yanagi, M.D., S.c.'s NPPES record is Ruth Yanagi, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ruth M. Yanagi, M.D., S.c.'s NPI active?
- Yes — Ruth M. Yanagi, M.D., S.c.'s NPI (1477859171) is active in the NPPES registry as of the last update on 2011-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.