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Internal Medicine

Frank M. Elterman, DO

Sees patients in Naples, FL · Florida

Summary

Dr. Frank M. Elterman, DO is an internal medicine doctor at 6135 Rattlesnake Hammock Rd, Naples, FL 34113. Phone: (239) 775-7715. Accepts Medicare assignment. In 2024, Frank M. Elterman had 693 Original Medicare patients and 2,222 services. NPI 1013357185. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 6135 Rattlesnake Hammock Rd, Naples, FL 34113 · Directions
  • Phone: (239) 775‑7715
  • Medicare: Accepts Medicare assignment
  • Group practice: Prestige Outpatient Providers LLC
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Frank M. Elterman, 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 Frank M. Elterman accept Medicare assignment?
Yes. Medicare's clinician data says Frank M. Elterman 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 Frank M. Elterman see?
In 2024, CMS data shows 693 Original Medicare patients and 2,222 services for Frank M. Elterman. This counts Original Medicare only and measures volume, not quality.
What is Frank M. Elterman's NPI number?
1013357185. 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 Frank M. Elterman, 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 patients693
Services billed to Medicare2,222
Different services or procedures21
Participating Medicare providerYes
Average age of these patients85

Most frequent services

  1. Advance care planning, first 30 minutes (99497)594 services
  2. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)567 services
  3. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)275 services
  4. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)245 services
  5. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)157 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 blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Depression57%
  • Anxiety56%
  • Ischemic heart disease55%

Practice locations

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

Group practices

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

  • Prestige Outpatient Providers LLC17 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Naples

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

All internal medicine doctors in Naples →

Other clinicians in Prestige Outpatient Providers LLC

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

Clinician information

CredentialDO
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013357185
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