Alyssa Korenstein, MD
Family Medicine Physician · New York, NY
Alyssa Korenstein, MD is a family medicine physician with a practice address in New York, New York, and NPI 1801320825, issued on Apr 17, 2017. Check the license (New York 303024, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alyssa Korenstein
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 303024 NY
Self-reported in NPPES; status is on the state search - Practice location
- 25 Hudson St, New York, NY 10013
- Phone
- (888) 663-6331
- Enumerated
- Apr 17, 2017
- Record last updated
- Mar 19, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20200625002626); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 25 Hudson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Briana Peper-MeoPhysician Assistant1821537689
Verify Alyssa Korenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 303024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
124 Medicare Part D claims for 23 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- One Medical OF NY PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyssa Korenstein among 6,417 family medicine physician records in New York
Alyssa Korenstein, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2017 · median 2007 among the 4,188 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in New York
There are 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in New York → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gail Bauchman, M.D.New York, NY 100131851416879
- Felix Chien, DONew York, NY 100131255368163
- Renu Chiruvolu, DONew York, NY 100131811244064
- Sandy Fung, MDNew York, NY 100131982670634
- Victor Inada, M.D.New York, NY 100131568456713
- Thomas Kovachevich, DONew York, NY 100131801850300
- Sing Law, M.D.New York, NY 100131558324574
- Jimmy Le, M.D.New York, NY 100131356657480
Common questions
What is Alyssa Korenstein, MD's NPI number?
Alyssa Korenstein, MD's National Provider Identifier (NPI) is 1801320825, issued on Apr 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Korenstein, MD located?
The NPPES record lists a practice address at 25 Hudson St, New York, NY, 10013. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Korenstein, MD's license?
NPPES lists New York license number 303024, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alyssa Korenstein, MD prescribe under Medicare Part D?
In 2024, Alyssa Korenstein, MD had 124 Medicare Part D claims for 23 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.