Mark Glassman, MD
NPI 1851391163 · Pediatric Gastroenterology Physician · Hawthorne, NY
Mark Glassman, MD is a Pediatric Gastroenterology Physician provider in Hawthorne, NY (NPI 1851391163).
Provider details
- NPI number
- 1851391163
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 157811 (NY)
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
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
Mailing address
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2008-09-26
Frequently asked questions
- What is Mark Glassman's NPI number?
- Mark Glassman's National Provider Identifier (NPI) is 1851391163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Glassman's specialty?
- Mark Glassman is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Glassman located?
- Mark Glassman's practice location on file with NPPES is 19 Bradhurst Ave, Hawthorne, NY 10532-2140.
- What is Mark Glassman's phone number?
- The practice phone number listed in the NPPES registry for Mark Glassman is (914) 594-4610.
- Is Mark Glassman's NPI active?
- Yes — Mark Glassman's NPI (1851391163) is active in the NPPES registry as of the last update on 2008-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.