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Marion Mass, M.D.
NPI 1508875964 · Pediatrics Physician · Sellersville, PA
Marion Mass, M.D. is a Pediatrics Physician provider in Sellersville, PA (NPI 1508875964).
Provider details
- NPI number
- 1508875964
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD068493L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
700 Lawn Ave
Chop Care Network at Grandview Hospital
Sellersville, PA 18960-1548
Phone: (215) 453-4476
Fax: (215) 453-4738
Street-level locationGet directions
Mailing address
100 E Penn Sq
Philadelphia, PA 19107-3323
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2013-04-18
Frequently asked questions
- What is Marion Mass's NPI number?
- Marion Mass's National Provider Identifier (NPI) is 1508875964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Mass's specialty?
- Marion Mass is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marion Mass located?
- Marion Mass's practice location on file with NPPES is 700 Lawn Ave, Sellersville, PA 18960-1548.
- What is Marion Mass's phone number?
- The practice phone number listed in the NPPES registry for Marion Mass is (215) 453-4476.
- Is Marion Mass's NPI active?
- Yes — Marion Mass's NPI (1508875964) is active in the NPPES registry as of the last update on 2013-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.