Brian Heiss, M.D., M.A.
NPI 1922426352 · Hematology & Oncology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Heiss, M.D., M.A. is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1922426352).
Provider details
- NPI number
- 1922426352
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 336.104051 (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
12 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
- 2014-04-02
- Last updated
- 2017-09-06
Frequently asked questions
- What is Brian Heiss's NPI number?
- Brian Heiss's National Provider Identifier (NPI) is 1922426352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Heiss's specialty?
- Brian Heiss is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Heiss located?
- Brian Heiss's practice location on file with NPPES is 5841 S Maryland Ave # Mc2115, Chicago, IL 60637-1443.
- What is Brian Heiss's phone number?
- The practice phone number listed in the NPPES registry for Brian Heiss is (773) 702-2614.
- Does Brian Heiss accept Medicare?
- Brian Heiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Heiss's NPI active?
- Yes — Brian Heiss's NPI (1922426352) is active in the NPPES registry as of the last update on 2017-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.