NPPES file of Aug 9, 2026

Warren Andrew Ong, MD

Psychiatry Physician · Warwick, RI

Warren Andrew Ong, MD is a psychiatry physician with a practice address in Warwick, Rhode Island, and NPI 1003896101, issued on Jan 17, 2006. Check the license (Rhode Island 9162, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1003896101
Name
Warren Andrew Ong
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
9162 RI
Self-reported in NPPES; status is on the state search
Practice location
2756 Post RD, Warwick, RI 02886
Phone
(401) 691-6000
Enumerated
Jan 17, 2006
Record last updated
Nov 26, 2024
Fax
(401) 738-7718
Medicaid ID
7005366 RI
Medicare enrollment
Enrolled (PECOS I20050921001151); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 1992
Telehealth
Offers telehealth (CMS)
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 2756 Post RD

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

  1. Julie Addams, BA, LCDPAddiction (Substance Use Disorder) Counselor1235981036
  2. Winna Annan-Hinds, MHC-AMental Health Counselor1255148219
  3. Andrew Bairos, RNRegistered Nurse1033731427
  4. Tarshire Battle, PCCounselor1720476823
  5. Candice Beaubian-Espinoza, MDChild & Adolescent Psychiatry Physician1912562992
  6. Andrew Belcher, LICSWClinical Social Worker1215422852

Verify Warren Andrew Ong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license 9162
    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 Rhode Island 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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2.3 times the Medicare Part D claims of the average psychiatry physician in 2024

2,332 Medicare Part D claims for 134 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Warren Ong2,332
  2. Specialty average1,000

Most prescribed

  1. Dextroamphetamine-Amphetamine218 claims
  2. Clonazepam202 claims
  3. Alprazolam143 claims
  4. Zolpidem Tartrate114 claims
  5. Lorazepam109 claims
  6. Clonidine Hcl104 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: $98,531.91

111 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Warren Ong$98,532
  2. Specialty average$4,955

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. Thrive Behavioral Health IncWarwick, RI

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

Warren Andrew Ong among 383 psychiatry physician records in Rhode Island

Warren Andrew Ong, MD is one of 383 psychiatry physician records with a practice address in Rhode Island. 68% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 64% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated1992 · median 2005 among the 172 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Rhode Island

There are 383 psychiatry physician records in Rhode Island.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Charles Denby, MDWarwick, RI 028861669554481
  2. Gregg Etter, MDWarwick, RI 028861962409649
  3. James Gallo, MDWarwick, RI 028861801978622
  4. Ethan Kisch, M.D.Warwick, RI 028861063480002
  5. Liliya Koyfman, MDWarwick, RI 028861508800954
  6. David Kroessler, MDWarwick, RI 028861740211168
  7. William Kyros, MDWarwick, RI 028861740390087
  8. Terrie Mailhot, MDWarwick, RI 028861689618688

Common questions

What is Warren Andrew Ong, MD's NPI number?

Warren Andrew Ong, MD's National Provider Identifier (NPI) is 1003896101, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Warren Andrew Ong, MD located?

The NPPES record lists a practice address at 2756 Post RD, Warwick, RI, 02886. Phone: (401) 691-6000. Providers update this record themselves, so call before visiting.

How can I verify Warren Andrew Ong, MD's license?

NPPES lists Rhode Island license number 9162, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Warren Andrew Ong, MD prescribe under Medicare Part D?

In 2024, Warren Andrew Ong, MD had 2,332 Medicare Part D claims for 134 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.