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Owen Williamson, M.D., P.C.
NPI 1235335019 · Specialist · Philadelphia, PA
Owen Williamson, M.D., P.C. is a Specialist provider in Philadelphia, PA (NPI 1235335019).
Provider details
- NPI number
- 1235335019
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D., P.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD021602E (PA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(89/100 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
121 E Lehigh Ave
Philadelphia, PA 19125-1011
Phone: (215) 739-2057
Fax: (215) 643-6558
Street-level locationGet directions
Mailing address
710 Lantern Ln
Blue Bell, PA 19422-1612
Registry dates
- Enumerated
- 2007-06-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Owen Williamson's NPI number?
- Owen Williamson's National Provider Identifier (NPI) is 1235335019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Owen Williamson's specialty?
- Owen Williamson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Owen Williamson located?
- Owen Williamson's practice location on file with NPPES is 121 E Lehigh Ave, Philadelphia, PA 19125-1011.
- What is Owen Williamson's phone number?
- The practice phone number listed in the NPPES registry for Owen Williamson is (215) 739-2057.
- Is Owen Williamson's NPI active?
- Yes — Owen Williamson's NPI (1235335019) 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.