NPPES file of Aug 9, 2026

Ralph Joseph Alvarez, MD

Internal Medicine Physician · Warwick, NY

Ralph Joseph Alvarez, MD is an internal medicine physician with a practice address in Warwick, New York, and NPI 1346368370, issued on Mar 27, 2007. Check the license (New York 168391, 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
1346368370
Name
Ralph Joseph Alvarez
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
168391 NY
25MA06293600 NJ
Self-reported in NPPES; status is on the state search
Practice location
9 Grand St, Warwick, NY 10990
Phone
(845) 986-6969
Enumerated
Mar 27, 2007
Record last updated
Dec 3, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(845) 986-0024
Medicaid ID
02354341 NY
Medicare enrollment
Enrolled (PECOS I20080714000045); accepts Medicare assignment
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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Verify Ralph Joseph Alvarez 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 168391
    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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50% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,573 Medicare Part D claims for 95 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Ralph Alvarez1,573
  2. Specialty average3,176

Most prescribed

  1. Buprenorphine-Naloxone161 claims
  2. Amlodipine Besylate101 claims
  3. Metoprolol Succinate71 claims
  4. Lisinopril62 claims
  5. Omeprazole57 claims
  6. Hydrochlorothiazide41 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.

6 internal medicine physician records list a practice address in Warwick

They are 6 of the 304 NPPES records with a practice address in Warwick, and 12,067 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Ralph Joseph Alvarez, MD's NPI number?

Ralph Joseph Alvarez, MD's National Provider Identifier (NPI) is 1346368370, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Joseph Alvarez, MD located?

The NPPES record lists a practice address at 9 Grand St, Warwick, NY, 10990. Phone: (845) 986-6969. Providers update this record themselves, so call before visiting.

How can I verify Ralph Joseph Alvarez, MD's license?

NPPES lists New York license number 168391, 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 Ralph Joseph Alvarez, MD prescribe under Medicare Part D?

In 2024, Ralph Joseph Alvarez, MD had 1,573 Medicare Part D claims for 95 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.