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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WARREN ANDREW ONG MD
NPI 1003896101
Psychiatry & Neurology - Psychiatry in Cranston, RI

Active since January 17, 2006PECOS Enrolled
45 SOCKANOSSET CROSS RD STE 4, CRANSTON, RI 02920(401) 383-4885(401) 383-4379 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Warren Andrew Ong Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WARREN ANDREW ONG MD (NPI 1003896101) is an individual psychiatry provider in Cranston, Rhode Island, licensed in Rhode Island (9162) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Kansas City, School Of Medicine (1992).

NPPES Registry Identity

NPI1003896101
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. WARREN ANDREW ONGCredential: MD
Location Address45 SOCKANOSSET CROSS RD STE 4Cranston, RI 02920-5529
Mailing Address45 Sockanosset Cross Rd Ste 4Cranston, RI 02920-5529 · (401) 383-4885 · Fax (401) 383-4379
Phone(401) 383-4885
Fax(401) 383-4379
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 1992
Enumeration DateJanuary 17, 2006
Last NPPES UpdateOctober 26, 2026
NPPES CertifiedOctober 26, 2026
✔ NPI 1003896101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in RI · 9162
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
45 SOCKANOSSET CROSS RD STE 4, Cranston, RI 02920
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Warren Andrew Ong Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385678044
PECOS Enrollment IDI20050921001151
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Warren Ong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Thrive Behavioral Health, Inc.
3.1 mi
Community/Behavioral Health
2756 POST RD & 50 HEALTH LANE
Warwick, RI 02886
  • Reassigned Medicare billing, Rhode Island enrollment
  • 72 clinicians in this Medicare group
NPI 1386671535 (401) 732-5656
Thundermist Health Center
4.1 mi
Federally Qualified Health Center (FQHC)
186 PROVIDENCE ST
West Warwick, RI 02893
  • Reassigned Medicare billing, Rhode Island enrollment
  • 288 clinicians in this Medicare group
NPI 1376708560 (401) 615-2800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02920 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$177.03 typical visit price
range $58.57 – $177.03
Typical copayment $44.25 (range $14.64 – $44.25)
Most-billed visit code 99205
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENEVIEVE L SULLIVAN M.S.
Counselor (Mental Health)
45 SOCKANOSSET CROSS RD STE 4
CRANSTON, RI 02920
Providence County (401) 383-4885
TYLER NOTARIANNI LMHC
Counselor (Mental Health)
45 SOCKANOSSET CROSS RD STE 4
CRANSTON, RI 02920
Providence County (401) 383-4885
JUDITH LEE-DAY LITTLE LICSW
Social Worker (Clinical)
45 SOCKANOSSET CROSS RD STE 4
CRANSTON, RI 02920
Providence County (401) 383-4885
AMY ANN BUCHANAN LMHCA
Counselor (Mental Health)
45 SOCKANOSSET CROSS RD STE 4
CRANSTON, RI 02920
Providence County (401) 383-4885
KELLY QUINN BSN, RN
Registered Nurse
45 SOCKANOSSET CROSS RD STE 4
CRANSTON, RI 02920
Providence County (401) 383-4885
AMY BRAGGER RN
Registered Nurse
45 SOCKANOSSET CROSS RD STE 4
CRANSTON, RI 02920
Providence County (401) 383-4885
HEATHER L GROGAN
Counselor (Mental Health)
45 SOCKANOSSET CROSS RD STE 4
CRANSTON, RI 02920
Providence County (401) 383-4885

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Warren Ong's NPI number?

The NPI number for Warren Ong is 1003896101. It was assigned to this individual provider in the NPPES registry on January 17, 2006.

Where is Warren Ong located?

Warren Ong practices at 45 Sockanosset Cross Rd Ste 4, Cranston, RI 02920. The listed phone number is (401) 383-4885.

What is Warren Ong's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Warren Ong enrolled in Medicare?

Yes. Warren Ong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Warren Ong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Warren Ong reassigns Medicare benefits to 2 organizations: Thrive Behavioral Health, Inc. (Warwick, RI) and Thundermist Health Center (West Warwick, RI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Warren Ong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Warren Ong accept?

Health plans from Harvard Pilgrim Health Care list Warren Ong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Warren Ong was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.