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William Whisler, MS, CGC
NPI 1518734904 · Genetic Counselor (M.S.) · Chicago, IL
William Whisler, MS, CGC is a Genetic Counselor (M.S.) provider in Chicago, IL (NPI 1518734904).
Provider details
- NPI number
- 1518734904
- Entity type
- Individual
- Primary specialty
- Genetic Counselor (M.S.)Other Service Providers
- Credential
- MS, CGC
- Sex
- Male
- Sole proprietor
- No
- License
- 246.000947 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
225 E Chicago Ave
Chicago, IL 60611-2991
Phone: (312) 227-4792
Street-level locationGet directions
Mailing address
2453 N Racine Ave Apt 2r
Chicago, IL 60614-8760
Registry dates
- Enumerated
- 2023-12-06
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is William Whisler's NPI number?
- William Whisler's National Provider Identifier (NPI) is 1518734904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Whisler's specialty?
- William Whisler is listed in the NPPES registry with a primary specialty of Genetic Counselor (M.S.) (Other Service Providers).
- Where is William Whisler located?
- William Whisler's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.
- What is William Whisler's phone number?
- The practice phone number listed in the NPPES registry for William Whisler is (312) 227-4792.
- Is William Whisler's NPI active?
- Yes — William Whisler's NPI (1518734904) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.