Neal Mesnick, MD, LLC
NPI 1821239336 · Medical Specialty Clinic/Center · New York, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neal Mesnick, MD, LLC is a Medical Specialty Clinic/Center organization in New York, NY (NPI 1821239336).
Provider details
- NPI number
- 1821239336
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Neal Mesnick, Member(212) 414-8508
- License
- 218683 (NY)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Other names (DBA / former)
- Doing business as
- Advanced Sports Medicine & Rehabilitation
Registry dates
- Enumerated
- 2009-03-12
- Last updated
- 2009-06-30
Frequently asked questions
- What is Neal Mesnick, MD, LLC's NPI number?
- Neal Mesnick, MD, LLC's National Provider Identifier (NPI) is 1821239336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Neal Mesnick, MD, LLC?
- Neal Mesnick, MD, LLC is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Neal Mesnick, MD, LLC located?
- Neal Mesnick, MD, LLC's practice location on file with NPPES is 5 W 16th St, New York, NY 10011-6307.
- What is Neal Mesnick, MD, LLC's phone number?
- The practice phone number listed in the NPPES registry for Neal Mesnick, MD, LLC is (212) 414-8508.
- Does Neal Mesnick, MD, LLC accept Medicare?
- Neal Mesnick, MD, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Neal Mesnick, MD, LLC?
- The authorized official listed on Neal Mesnick, MD, LLC's NPPES record is Neal Mesnick, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Neal Mesnick, MD, LLC's NPI active?
- Yes — Neal Mesnick, MD, LLC's NPI (1821239336) is active in the NPPES registry as of the last update on 2009-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.