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Peter Williamson
NPI 1437254356 · Infectious Disease Physician · Chicago, IL
Peter Williamson is a Infectious Disease Physician provider in Chicago, IL (NPI 1437254356).
Provider details
- NPI number
- 1437254356
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036090555 (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
1740 W Taylor St
Chicago, IL 60612-7232
Phone: (866) 600-2273
Street-level locationGet directions
Mailing address
808 S Wood St
Chicago, IL 60612-7300
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2008-06-24
Frequently asked questions
- What is Peter Williamson's NPI number?
- Peter Williamson's National Provider Identifier (NPI) is 1437254356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Williamson's specialty?
- Peter Williamson is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Williamson located?
- Peter Williamson's practice location on file with NPPES is 1740 W Taylor St, Chicago, IL 60612-7232.
- What is Peter Williamson's phone number?
- The practice phone number listed in the NPPES registry for Peter Williamson is (866) 600-2273.
- Is Peter Williamson's NPI active?
- Yes — Peter Williamson's NPI (1437254356) is active in the NPPES registry as of the last update on 2008-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.