Robert L Holstein MD Sc
NPI 1386817849 · Internal Medicine Physician · Chicago, IL
Robert L Holstein MD Sc is a Internal Medicine Physician organization in Chicago, IL (NPI 1386817849).
Provider details
- NPI number
- 1386817849
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Holstein, Owner(312) 649-6565
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
18 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
- 2008-04-05
- Last updated
- 2008-04-05
Frequently asked questions
- What is Robert L Holstein MD Sc's NPI number?
- Robert L Holstein MD Sc's National Provider Identifier (NPI) is 1386817849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert L Holstein MD Sc?
- Robert L Holstein MD Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert L Holstein MD Sc located?
- Robert L Holstein MD Sc's practice location on file with NPPES is 150 E Huron St Ste 805, Chicago, IL 60611-2912.
- What is Robert L Holstein MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Robert L Holstein MD Sc is (312) 649-6565.
- Who is the authorized official for Robert L Holstein MD Sc?
- The authorized official listed on Robert L Holstein MD Sc's NPPES record is Robert Holstein, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert L Holstein MD Sc's NPI active?
- Yes — Robert L Holstein MD Sc's NPI (1386817849) is active in the NPPES registry as of the last update on 2008-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.