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Mark Lopatin, M.D.
NPI 1407852379 · Rheumatology Physician · Willow Grove, PA
Mark Lopatin, M.D. is a Rheumatology Physician provider in Willow Grove, PA (NPI 1407852379).
Provider details
- NPI number
- 1407852379
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD032614E (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
20 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
2360 Maryland Rd
Willow Grove, PA 19090
Phone: (215) 657-6776
Fax: (267) 913-5961
Street-level locationGet directions
Mailing address
2360 Maryland Rd
Willow Grove, PA 19090-1709
Registry dates
- Enumerated
- 2005-06-24
- Last updated
- 2023-11-27
- Certified
- 2021-03-06
Frequently asked questions
- What is Mark Lopatin's NPI number?
- Mark Lopatin's National Provider Identifier (NPI) is 1407852379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lopatin's specialty?
- Mark Lopatin is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lopatin located?
- Mark Lopatin's practice location on file with NPPES is 2360 Maryland Rd, Willow Grove, PA 19090.
- What is Mark Lopatin's phone number?
- The practice phone number listed in the NPPES registry for Mark Lopatin is (215) 657-6776.
- Is Mark Lopatin's NPI active?
- Yes — Mark Lopatin's NPI (1407852379) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.