Isaac Kirstein, DO
NPI 1114988425 · Internal Medicine Physician · Chicago Heights, IL
Isaac Kirstein, DO is a Internal Medicine Physician provider in Chicago Heights, IL (NPI 1114988425).
Provider details
- NPI number
- 1114988425
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036-100642 (IL)
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
20 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
- 2006-03-29
- Last updated
- 2011-12-28
Frequently asked questions
- What is Isaac Kirstein's NPI number?
- Isaac Kirstein's National Provider Identifier (NPI) is 1114988425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Kirstein's specialty?
- Isaac Kirstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Kirstein located?
- Isaac Kirstein's practice location on file with NPPES is 333 Dixie Hwy, Chicago Heights, IL 60411-1790.
- What is Isaac Kirstein's phone number?
- The practice phone number listed in the NPPES registry for Isaac Kirstein is (708) 756-0100.
- Is Isaac Kirstein's NPI active?
- Yes — Isaac Kirstein's NPI (1114988425) is active in the NPPES registry as of the last update on 2011-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.