Alexander Merson, M.D., PLLC
NPI 1215246137 · Internal Medicine Physician · Brooklyn, NY
Alexander Merson, M.D., PLLC is a Internal Medicine Physician organization in Brooklyn, NY (NPI 1215246137).
Provider details
- NPI number
- 1215246137
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Merson, M.D.(718) 375-0392
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
15 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
- 2010-09-27
- Last updated
- 2010-09-27
Frequently asked questions
- What is Alexander Merson, M.D., PLLC's NPI number?
- Alexander Merson, M.D., PLLC's National Provider Identifier (NPI) is 1215246137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alexander Merson, M.D., PLLC?
- Alexander Merson, M.D., PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Merson, M.D., PLLC located?
- Alexander Merson, M.D., PLLC's practice location on file with NPPES is 2379 65th St, Brooklyn, NY 11204-4045.
- What is Alexander Merson, M.D., PLLC's phone number?
- The practice phone number listed in the NPPES registry for Alexander Merson, M.D., PLLC is (718) 375-0392.
- Who is the authorized official for Alexander Merson, M.D., PLLC?
- The authorized official listed on Alexander Merson, M.D., PLLC's NPPES record is Alexander Merson, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alexander Merson, M.D., PLLC's NPI active?
- Yes — Alexander Merson, M.D., PLLC's NPI (1215246137) is active in the NPPES registry as of the last update on 2010-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.