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Psychiatry

Gregg M. Etter, MD

Works at hospitals in Warwick, RI · Providence, RI · Rhode Island

Summary

Dr. Gregg M. Etter, MD is a psychiatrist at 2756 Post Rd, Warwick, RI 02886. Phone: (401) 691-6000. Accepts Medicare assignment. In 2024, Gregg M. Etter had 99 Original Medicare patients and 346 services. NPI 1962409649. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 2756 Post Rd, Warwick, RI 02886 · Directions
  • Phone: (401) 691‑6000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Kent County Memorial Hospital, The Miriam Hospital
  • Group practice: Thrive Behavioral Health Inc
  • Medical school: State University Of Ny Upstate Medical University · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Gregg M. Etter, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Gregg M. Etter accept Medicare assignment?
Yes. Medicare's clinician data says Gregg M. Etter accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Gregg M. Etter see?
In 2024, CMS data shows 99 Original Medicare patients and 346 services for Gregg M. Etter. This counts Original Medicare only and measures volume, not quality.
What is Gregg M. Etter's NPI number?
1962409649. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Gregg M. Etter, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients99
Services billed to Medicare346
Different services or procedures5
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)240 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)90 services
  3. Psychiatric diagnostic evaluation with medical services (90792)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Depression67%
  • High cholesterol66%
  • High blood pressure64%
  • Anxiety55%
  • Arthritis45%
  • Diabetes22%

Hospitals where Gregg M. Etter works

Medicare's Facility Affiliation Data lists Gregg M. Etter at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Kent County Memorial HospitalWarwick, RI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 410009
  • The Miriam HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410012

Practice locations

Addresses where Gregg M. Etter is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gregg M. Etter as a member of this group (CMS data updated October 2, 2026).

  • Thrive Behavioral Health Inc44 clinicians in the group

Specialties

Find other Psychiatry doctors in Rhode Island →

Other psychiatrists in Warwick

Clinicians with the same Medicare primary specialty in Warwick, RI — not a recommendation.

All psychiatrists in Warwick →

Other clinicians in Thrive Behavioral Health Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolState University Of Ny Upstate Medical University
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962409649
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians