IndividualActive
William Chollak, M.D.
NPI 1548273964 · Specialist · Flourtown, PA
William Chollak, M.D. is a Specialist provider in Flourtown, PA (NPI 1548273964).
Provider details
- NPI number
- 1548273964
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD013366E (PA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 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
1401 Bethlehem Pike
Flourtown, PA 19031-1904
Phone: (215) 233-1001
Fax: (215) 233-9749
Street-level locationGet directions
Mailing address
1661 Graham Rd
Meadowbrook, PA 19046-1038
Registry dates
- Enumerated
- 2006-08-15
- Last updated
- 2011-01-18
Frequently asked questions
- What is William Chollak's NPI number?
- William Chollak's National Provider Identifier (NPI) is 1548273964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chollak's specialty?
- William Chollak is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Chollak located?
- William Chollak's practice location on file with NPPES is 1401 Bethlehem Pike, Flourtown, PA 19031-1904.
- What is William Chollak's phone number?
- The practice phone number listed in the NPPES registry for William Chollak is (215) 233-1001.
- Is William Chollak's NPI active?
- Yes — William Chollak's NPI (1548273964) is active in the NPPES registry as of the last update on 2011-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.