Mark Koser MD PC
NPI 1376812396 · Ophthalmology Physician · Staten Island, NY
Mark Koser MD PC is a Ophthalmology Physician organization in Staten Island, NY (NPI 1376812396).
Provider details
- NPI number
- 1376812396
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Koser, President(718) 966-7200
- License
- 169168 (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
14 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
- 2011-12-20
- Last updated
- 2011-12-20
Frequently asked questions
- What is Mark Koser MD PC's NPI number?
- Mark Koser MD PC's National Provider Identifier (NPI) is 1376812396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Koser MD PC?
- Mark Koser MD PC is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Koser MD PC located?
- Mark Koser MD PC's practice location on file with NPPES is 3611 Richmond Ave, Staten Island, NY 10312-3410.
- What is Mark Koser MD PC's phone number?
- The practice phone number listed in the NPPES registry for Mark Koser MD PC is (718) 966-7200.
- Who is the authorized official for Mark Koser MD PC?
- The authorized official listed on Mark Koser MD PC's NPPES record is Mark Koser, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Koser MD PC's NPI active?
- Yes — Mark Koser MD PC's NPI (1376812396) is active in the NPPES registry as of the last update on 2011-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.