Martin Tallman, MD
NPI 1154340792 · Hematology (Internal Medicine) Physician · Chicago, IL
Martin Tallman, MD is a Hematology (Internal Medicine) Physician provider in Chicago, IL (NPI 1154340792).
Provider details
- NPI number
- 1154340792
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036064414 (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
- 2006-07-18
- Last updated
- 2009-07-17
Frequently asked questions
- What is Martin Tallman's NPI number?
- Martin Tallman's National Provider Identifier (NPI) is 1154340792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Tallman's specialty?
- Martin Tallman is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Tallman located?
- Martin Tallman's practice location on file with NPPES is 675 N Saint Clair St, Chicago, IL 60611-5975.
- What is Martin Tallman's phone number?
- The practice phone number listed in the NPPES registry for Martin Tallman is (312) 695-0990.
- Is Martin Tallman's NPI active?
- Yes — Martin Tallman's NPI (1154340792) is active in the NPPES registry as of the last update on 2009-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.