American Hospital Service Corporation
NPI 1710296603 · Primary Care Clinic/Center · Chicago, IL
American Hospital Service Corporation is a Primary Care Clinic/Center organization in Chicago, IL (NPI 1710296603).
Provider details
- NPI number
- 1710296603
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Henryk Roztoczynski, President(773) 745-8434
- License
- 036058369 (IL)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
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
- 2010-09-27
- Last updated
- 2015-10-21
Frequently asked questions
- What is American Hospital Service Corporation's NPI number?
- American Hospital Service Corporation's National Provider Identifier (NPI) is 1710296603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is American Hospital Service Corporation?
- American Hospital Service Corporation is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is American Hospital Service Corporation located?
- American Hospital Service Corporation's practice location on file with NPPES is 6157 W Belmont Ave, Chicago, IL 60634-4004.
- What is American Hospital Service Corporation's phone number?
- The practice phone number listed in the NPPES registry for American Hospital Service Corporation is (773) 745-8434.
- Who is the authorized official for American Hospital Service Corporation?
- The authorized official listed on American Hospital Service Corporation's NPPES record is Henryk Roztoczynski, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is American Hospital Service Corporation's NPI active?
- Yes — American Hospital Service Corporation's NPI (1710296603) is active in the NPPES registry as of the last update on 2015-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.