Alexander Merkler
NPI 1144549882 · Neurology Physician · New York, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Merkler is a Neurology Physician provider in New York, NY (NPI 1144549882).
Provider details
- NPI number
- 1144549882
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 273685 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
363 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 237 | $247 |
| Critical Care, Each Additional 30 Minutes99292 | 40 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 38 | $137 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 27 | $91 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $200 |
Typical Medicare-allowed amounts for these services range $91–$247 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-20
- Last updated
- 2014-02-23
Frequently asked questions
- What is Alexander Merkler's NPI number?
- Alexander Merkler's National Provider Identifier (NPI) is 1144549882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Merkler's specialty?
- Alexander Merkler is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Merkler located?
- Alexander Merkler's practice location on file with NPPES is 1320 York Ave, New York, NY 10021-4800.
- What is Alexander Merkler's phone number?
- The practice phone number listed in the NPPES registry for Alexander Merkler is (917) 373-8523.
- Does Alexander Merkler accept Medicare?
- Alexander Merkler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Merkler's NPI active?
- Yes — Alexander Merkler's NPI (1144549882) is active in the NPPES registry as of the last update on 2014-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.