Alyssa Korenstein, MD
NPI 1801320825 · Family Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Korenstein, MD is a Family Medicine Physician provider in New York, NY (NPI 1801320825).
Provider details
- NPI number
- 1801320825
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0000000 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1300 N 12th StSuite 605Phoenix, AZ 85006-2848Phone: (602) 839-5271
Registry dates
- Enumerated
- 2017-04-17
- Last updated
- 2025-03-19
- Certified
- 2025-03-19
Frequently asked questions
- What is Alyssa Korenstein's NPI number?
- Alyssa Korenstein's National Provider Identifier (NPI) is 1801320825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Korenstein's specialty?
- Alyssa Korenstein is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alyssa Korenstein located?
- Alyssa Korenstein's practice location on file with NPPES is 25 Hudson St, New York, NY 10013-3802.
- What is Alyssa Korenstein's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Korenstein is (888) 663-6331.
- Does Alyssa Korenstein accept Medicare?
- Alyssa Korenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Korenstein's NPI active?
- Yes — Alyssa Korenstein's NPI (1801320825) is active in the NPPES registry as of the last update on 2025-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.