Hillary Marcus, M.D.
NPI 1891892352 · Internal Medicine Physician · Lower Gwynedd, PA
Hillary Marcus, M.D. is a Internal Medicine Physician provider in Lower Gwynedd, PA (NPI 1891892352).
Provider details
- NPI number
- 1891892352
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD428503 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-09-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is Hillary Marcus's NPI number?
- Hillary Marcus's National Provider Identifier (NPI) is 1891892352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Marcus's specialty?
- Hillary Marcus is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hillary Marcus located?
- Hillary Marcus's practice location on file with NPPES is 714 N. Bethlehem Pike, Lower Gwynedd, PA 19002.
- What is Hillary Marcus's phone number?
- The practice phone number listed in the NPPES registry for Hillary Marcus is (215) 540-4411.
- Is Hillary Marcus's NPI active?
- Yes — Hillary Marcus's NPI (1891892352) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.