IndividualActive
Gerasim Tikoff, M.D.
NPI 1871898379 · Internal Medicine Physician · Chicago, IL
Gerasim Tikoff, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1871898379).
Provider details
- NPI number
- 1871898379
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036-036982 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
1429 S. Federal St.
Chicago, IL 60605-2724
Phone: (312) 294-9903
Street-level locationGet directions
Mailing address
1429 S. Federal St.
Chicago, IL 60605-2724
Registry dates
- Enumerated
- 2011-01-14
- Last updated
- 2011-01-14
Frequently asked questions
- What is Gerasim Tikoff's NPI number?
- Gerasim Tikoff's National Provider Identifier (NPI) is 1871898379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerasim Tikoff's specialty?
- Gerasim Tikoff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerasim Tikoff located?
- Gerasim Tikoff's practice location on file with NPPES is 1429 S. Federal St., Chicago, IL 60605-2724.
- What is Gerasim Tikoff's phone number?
- The practice phone number listed in the NPPES registry for Gerasim Tikoff is (312) 294-9903.
- Is Gerasim Tikoff's NPI active?
- Yes — Gerasim Tikoff's NPI (1871898379) is active in the NPPES registry as of the last update on 2011-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.