Andrew Wallach, MD
NPI 1619053444 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Wallach, MD is a Internal Medicine Physician provider in New York, NY (NPI 1619053444).
Provider details
- NPI number
- 1619053444
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 195916 (NY)
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
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 79 | 25 |
| Omeprazole | 42 | 11 |
| Ibuprofen | 33 | — |
| Apixabanbrand: Eliquis | 31 | — |
| Amlodipine Besylate | 31 | — |
| Hydrocortisone | 31 | — |
| Metformin Hcl | 29 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Andrew Wallach's NPI number?
- Andrew Wallach's National Provider Identifier (NPI) is 1619053444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Wallach's specialty?
- Andrew Wallach is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Wallach located?
- Andrew Wallach's practice location on file with NPPES is 462 1st Ave, New York, NY 10016-9196.
- What is Andrew Wallach's phone number?
- The practice phone number listed in the NPPES registry for Andrew Wallach is (212) 562-1666.
- Does Andrew Wallach accept Medicare?
- Andrew Wallach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Wallach's NPI active?
- Yes — Andrew Wallach's NPI (1619053444) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.