Marissa Leow
NPI 1386187631 · Physician Assistant · Philadelphia, PA
Marissa Leow is a Physician Assistant provider in Philadelphia, PA (NPI 1386187631).
Provider details
- NPI number
- 1386187631
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Registry dates
- Enumerated
- 2016-11-18
- Last updated
- 2016-11-18
Frequently asked questions
- What is Marissa Leow's NPI number?
- Marissa Leow's National Provider Identifier (NPI) is 1386187631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Leow's specialty?
- Marissa Leow is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Leow located?
- Marissa Leow's practice location on file with NPPES is 1600 Chestnut St Apt 201, Philadelphia, PA 19103-5107.
- What is Marissa Leow's phone number?
- The practice phone number listed in the NPPES registry for Marissa Leow is (267) 401-3981.
- Is Marissa Leow's NPI active?
- Yes — Marissa Leow's NPI (1386187631) is active in the NPPES registry as of the last update on 2016-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.