NPPES file of Aug 9, 2026

Melissa D. Gennarelli, M.D.

Internal Medicine Physician · Valhalla, NY

Melissa D. Gennarelli, M.D. is an internal medicine physician with a practice address in Valhalla, New York, and NPI 1871557249, issued on Apr 13, 2006. Check the license (New York 220108, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871557249
Name
Melissa D. Gennarelli
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
220108 NY
Self-reported in NPPES; status is on the state search
Practice location
95 Grasslands RD, Valhalla, NY 10595
Phone
(914) 493-8370
Enumerated
Apr 13, 2006
Record last updated
Feb 29, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(914) 594-4434
Medicaid ID
02501173 NY
Medicare enrollment
Enrolled (PECOS I20040323000432); accepts Medicare assignment
Medical or professional school
New York Medical College, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 95 Grasslands RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Acosta, MDEmergency Medicine Physician1386656148
  2. Gregory Adkisson, MDAnesthesiology Physician1184621047
  3. Maria Aguero-Rosenfeld, M.D.Specialist1669569430
  4. Edward Amankwaah, CRNACertified Registered Nurse Anesthetist1457687394
  5. Cris Balamaci, PAPhysician Assistant1326374422
  6. Sukhjeewan Basran, M.D.Anesthesiology Physician1891847224

Verify Melissa D. Gennarelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 220108
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

57 Medicare Part D claims for 17 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Melissa Gennarelli57
  2. Specialty average3,176

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.

Industry payments in 2024: $69.36

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Melissa Gennarelli$69.36
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Westchester Medical Center Advanced Physician Services PCHawthorne, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Melissa D. Gennarelli among 12,067 internal medicine physician records in New York

Melissa D. Gennarelli, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1999 · median 2002 among the 7,221 with a school on file
  • Record last updated2008 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

68 internal medicine physician records list a practice address in Valhalla

They are 68 of the 2,105 NPPES records with a practice address in Valhalla, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ronald Cho, MDValhalla, NY 105951457388977
  2. Rosemarie Conigliaro, MDValhalla, NY 105951538170717
  3. Mitchell Fenster, M.D.Valhalla, NY 105951548378573
  4. Randy Goldberg, MDValhalla, NY 105951154329936
  5. Gary Guo, MDValhalla, NY 105951932129582
  6. Andrew Gutwein, MDValhalla, NY 105951801816483
  7. Wei-Nchih Lee, MDValhalla, NY 105951750301305
  8. Anne Beth Litt, M.D.Valhalla, NY 105951376574293

Common questions

What is Melissa D. Gennarelli, M.D.'s NPI number?

Melissa D. Gennarelli, M.D.'s National Provider Identifier (NPI) is 1871557249, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melissa D. Gennarelli, M.D. located?

The NPPES record lists a practice address at 95 Grasslands RD, Valhalla, NY, 10595. Phone: (914) 493-8370. Providers update this record themselves, so call before visiting.

How can I verify Melissa D. Gennarelli, M.D.'s license?

NPPES lists New York license number 220108, 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 Melissa D. Gennarelli, M.D. prescribe under Medicare Part D?

In 2024, Melissa D. Gennarelli, M.D. had 57 Medicare Part D claims for 17 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.