IndividualActive
Martin Siglin, M.D.
NPI 1487719852 · Internal Medicine Physician · Chicago, IL
Martin Siglin, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1487719852).
Provider details
- NPI number
- 1487719852
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036055767 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
5327 N Sheridan Rd
Suite a
Chicago, IL 60640-2774
Phone: (773) 989-1111
Fax: (773) 989-2782
Street-level locationGet directions
Mailing address
5327 N Sheridan Rd
Chicago, IL 60640-2774
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martin Siglin's NPI number?
- Martin Siglin's National Provider Identifier (NPI) is 1487719852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Siglin's specialty?
- Martin Siglin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Siglin located?
- Martin Siglin's practice location on file with NPPES is 5327 N Sheridan Rd, Chicago, IL 60640-2774.
- What is Martin Siglin's phone number?
- The practice phone number listed in the NPPES registry for Martin Siglin is (773) 989-1111.
- Is Martin Siglin's NPI active?
- Yes — Martin Siglin's NPI (1487719852) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.