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Clinical Psychologist

Mary Ellen Frazier, PSY

Sees patients in Naples, FL · Estero, FL · Florida

Summary

Mary Ellen Frazier, PSY is a clinical psychologist at 834 Anchor Rode Dr, Naples, FL 34103. Phone: (239) 643-9889. Accepts Medicare assignment. In 2024, Mary Ellen Frazier had 39 Original Medicare patients and 481 services. NPI 1972554640. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical psychologist
  • Address: 834 Anchor Rode Dr, Naples, FL 34103 · Directions (1 more location)
  • Phone: (239) 643‑9889
  • Medicare: Accepts Medicare assignment
  • School: graduated 1985
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Ellen Frazier, 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 Mary Ellen Frazier accept Medicare assignment?
Yes. Medicare's clinician data says Mary Ellen Frazier 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 Mary Ellen Frazier see?
In 2024, CMS data shows 39 Original Medicare patients and 481 services for Mary Ellen Frazier. This counts Original Medicare only and measures volume, not quality.
What is Mary Ellen Frazier's NPI number?
1972554640. 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 Mary Ellen Frazier, 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 patients39
Services billed to Medicare481
Different services or procedures3
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Psychotherapy, 1 hour (90837)439 services
  2. Psychiatric diagnostic evaluation (90791)12 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).

  • High cholesterol75%
  • Anxiety69%
  • High blood pressure67%
  • Arthritis64%
  • Depression64%
  • Ischemic heart disease36%

Practice locations

Addresses where Mary Ellen Frazier is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Clinical Psychologist, Florida →

Other clinical psychologists in Naples

Clinicians with the same Medicare primary specialty in Naples, FL — not a recommendation.

All clinical psychologists in Naples →

Clinician information

CredentialPSY
Graduation year1985
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972554640
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians