DR. ALEXANDER MERKLER
NPI 1144549882
Psychiatry & Neurology - Neurology in New York, NY
About Dr. Alexander Merkler NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER MERKLER (NPI 1144549882) is an individual neurology provider in New York, New York, licensed in New York (273685) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of New York University School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alexander Merkler is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Alexander Merkler reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 112 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 135 clinicians in this Medicare group
Flushing, NY 11355
- Reassigned Medicare billing, New York enrollment
- 645 clinicians in this Medicare group
Bronxville, NY 10708
- Reassigned Medicare billing, New York enrollment
- 531 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10021
NEW YORK, NY 10021
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Merkler's NPI number?
The NPI number for Alexander Merkler is 1144549882. It was assigned to this individual provider in the NPPES registry on May 20, 2010.
Where is Alexander Merkler located?
Alexander Merkler practices at 1320 York Ave 27Z, New York, NY 10021. The listed phone number is (917) 373-8523.
What is Alexander Merkler's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Alexander Merkler enrolled in Medicare?
Yes. Alexander Merkler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alexander Merkler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Merkler reassigns Medicare benefits to 4 organizations: Weill Medical College Of Cornell (New York, NY), New York Gracie Square Hospital Inc (New York, NY), New York Queens Medicine And Surgery, P.C. (Flushing, NY) and Lawrence Medical Associates, PC (Bronxville, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Merkler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Merkler affiliated with any hospitals?
According to CMS data, Alexander Merkler is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Merkler was last updated on February 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alexander Merkler · NPI 1144549882
Neurology physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 20, 2010.
## Identity
- **NPI:** 1144549882 (Entity type: Individual)
- **Enumerated:** May 20, 2010
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 273685 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1320 YORK AVE, 27Z, New York, NY 10021-4800
- **Phone:** (917) 373-8523
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Weill Medical College Of Cornell (NPI 1174634406, New York, NY); New York Gracie Square Hospital Inc (NPI 1215911946, New York, NY); New York Queens Medicine And Surgery, P.C. (NPI 1740792233, Flushing, NY); Lawrence Medical Associates, PC (NPI 1497260806, Bronxville, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** February 23, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1144549882) · Data from the CMS NPPES public registry.