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Harrison Knowlton
NPI 1720917644 · Family Medicine Physician · Philadelphia, PA
Harrison Knowlton is a Family Medicine Physician provider in Philadelphia, PA (NPI 1720917644).
Provider details
- NPI number
- 1720917644
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MT237049 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
8835 Germantown Ave
Philadelphia, PA 19118-2765
Phone: (215) 248-8200
Street-level locationGet directions
Mailing address
8835 Germantown Ave
Philadelphia, PA 19118-2765
Registry dates
- Enumerated
- 2026-05-16
- Last updated
- 2026-05-16
- Certified
- 2026-05-16
Frequently asked questions
- What is Harrison Knowlton's NPI number?
- Harrison Knowlton's National Provider Identifier (NPI) is 1720917644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Knowlton's specialty?
- Harrison Knowlton is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harrison Knowlton located?
- Harrison Knowlton's practice location on file with NPPES is 8835 Germantown Ave, Philadelphia, PA 19118-2765.
- What is Harrison Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Harrison Knowlton is (215) 248-8200.
- Is Harrison Knowlton's NPI active?
- Yes — Harrison Knowlton's NPI (1720917644) is active in the NPPES registry as of the last update on 2026-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.