Alexander Kirschenbaum, M.D.
NPI 1184642837 · Specialist · New York, NY
Enrolled with Medicare as Order and Referring Only - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Kirschenbaum, M.D. is a Specialist provider in New York, NY (NPI 1184642837).
Provider details
- NPI number
- 1184642837
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1538721 (NY)
Specialties & taxonomies
Other Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 409 | 129 |
| Finasteride | 267 | 75 |
| Dutasteride | 138 | 47 |
| Potassium Citratebrand: Potassium Citrate Er | 71 | 17 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 45 | 12 |
| Ciprofloxacin Hcl | 33 | 20 |
| Mirabegronbrand: Myrbetriq | 32 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2011-01-05
Frequently asked questions
- What is Alexander Kirschenbaum's NPI number?
- Alexander Kirschenbaum's National Provider Identifier (NPI) is 1184642837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Kirschenbaum's specialty?
- Alexander Kirschenbaum is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Alexander Kirschenbaum located?
- Alexander Kirschenbaum's practice location on file with NPPES is 229 E 79th Street, New York, NY 10075.
- What is Alexander Kirschenbaum's phone number?
- The practice phone number listed in the NPPES registry for Alexander Kirschenbaum is (646) 422-0926.
- Does Alexander Kirschenbaum accept Medicare?
- Alexander Kirschenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Kirschenbaum's NPI active?
- Yes — Alexander Kirschenbaum's NPI (1184642837) is active in the NPPES registry as of the last update on 2011-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.