NPPES file of Aug 9, 2026

Craig R. Grobman, D.O.

Internal Medicine Physician · Melville, NY

Craig R. Grobman, D.O. is an internal medicine physician with a practice address in Melville, New York, and NPI 1639119621, issued on Jun 7, 2006. Check the license (New York 232031, 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
1639119621
Name
Craig R. Grobman
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
232031 NY
Self-reported in NPPES; status is on the state search
Practice location
900 Walt Whitman Road, Melville, NY 11747
Phone
(516) 817-6423
Enumerated
Jun 7, 2006
Record last updated
Aug 14, 2025
Fax
(516) 261-7235
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 900 Walt Whitman Road

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

  1. Charles Cancellieri, D.C.Chiropractor1528423944
  2. Marianna Grennan, LCSW RClinical Social Worker1013188390

Verify Craig R. Grobman 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 232031
    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

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19% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,568 Medicare Part D claims for 291 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 19 claims were for opioids.

  1. Craig Grobman2,568
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium186 claims
  2. Atorvastatin Calcium140 claims
  3. Mounjaro134 claims
  4. Levothyroxine Sodium119 claims
  5. Losartan Potassium100 claims
  6. Pantoprazole Sodium78 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.

Industry payments in 2024: $3,864.04

57 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. 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. Craig Grobman$3,864.04
  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.

Craig R. Grobman among 12,067 internal medicine physician records in New York

Craig R. Grobman, D.O. 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 fileNo · 60% of these records are
  • Record last updated2025 · 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).

Internal Medicine Physician providers in New York

There are 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Eugene Heller, M.D.Melville, NY 117471548439961
  2. Alvin Holcomb, M.D.Melville, NY 117471447340237
  3. Evelina Kahn-Kapp, MDMelville, NY 117471447214630
  4. Sonia Qadir, M.DMelville, NY 117471417973082
  5. Khushbu RazaMelville, NY 117471447870084
  6. Clifford WeingartenMelville, NY 117471104826585
  7. Ruben Almazan, M.D.Dix Hills, NY 117461356371298
  8. Bobby Chandok, MDHuntington Station, NY 117461659366946

Common questions

What is Craig R. Grobman, D.O.'s NPI number?

Craig R. Grobman, D.O.'s National Provider Identifier (NPI) is 1639119621, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Craig R. Grobman, D.O. located?

The NPPES record lists a practice address at 900 Walt Whitman Road, Melville, NY, 11747. Phone: (516) 817-6423. Providers update this record themselves, so call before visiting.

How can I verify Craig R. Grobman, D.O.'s license?

NPPES lists New York license number 232031, 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 Craig R. Grobman, D.O. prescribe under Medicare Part D?

In 2024, Craig R. Grobman, D.O. had 2,568 Medicare Part D claims for 291 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.