IndividualActive
Mark Lin
NPI 1861607863 · Internal Medicine Physician · Langhorne, PA
Mark Lin is a Internal Medicine Physician provider in Langhorne, PA (NPI 1861607863).
Provider details
- NPI number
- 1861607863
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD049747-L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
1201 Langhorne Newtown Rd
St.mary Medical Center
Langhorne, PA 19047-1201
Phone: (215) 710-2009
Street-level locationGet directions
Mailing address
1 Almond Cir
Princeton Jct, NJ 08550-5116
Registry dates
- Enumerated
- 2007-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Lin's NPI number?
- Mark Lin's National Provider Identifier (NPI) is 1861607863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lin's specialty?
- Mark Lin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lin located?
- Mark Lin's practice location on file with NPPES is 1201 Langhorne Newtown Rd, Langhorne, PA 19047-1201.
- What is Mark Lin's phone number?
- The practice phone number listed in the NPPES registry for Mark Lin is (215) 710-2009.
- Is Mark Lin's NPI active?
- Yes — Mark Lin's NPI (1861607863) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.