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Internal Medicine

Loretta J. Metzger, MD

Sees patients in Boulder City, NV · Henderson, NV · Bullhead City, AZ · Nevada, Arizona

Summary

Dr. Loretta J. Metzger, MD is an internal medicine doctor at 1317 Boulder City Pkwy, Suite D, Boulder City, NV 89005. Phone: (702) 779-3252. Accepts Medicare assignment. In 2024, Loretta J. Metzger had 262 Original Medicare patients and 943 services. NPI 1346213741. 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: 1317 Boulder City Pkwy, Suite D, Boulder City, NV 89005 · Directions (2 more locations)
  • Phone: (702) 779‑3252
  • Medicare: Accepts Medicare assignment
  • Group practice: Paragon Physical Therapy and Rehab LLC
  • Medical school: University Of Nevada School Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Loretta J. Metzger, 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 Loretta J. Metzger accept Medicare assignment?
Yes. Medicare's clinician data says Loretta J. Metzger 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 Loretta J. Metzger see?
In 2024, CMS data shows 262 Original Medicare patients and 943 services for Loretta J. Metzger. This counts Original Medicare only and measures volume, not quality.
What is Loretta J. Metzger's NPI number?
1346213741. 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 Loretta J. Metzger, 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 patients262
Services billed to Medicare943
Different services or procedures18
Participating Medicare providerYes
Average age of these patients77

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)513 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)186 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
  4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)26 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)14 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%
  • High blood pressure73%
  • Arthritis44%
  • Ischemic heart disease23%
  • Diabetes19%
  • Osteoporosis16%

Practice locations

Addresses where Loretta J. Metzger is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Loretta J. Metzger as a member of this group (CMS data updated October 2, 2026).

  • Paragon Physical Therapy and Rehab LLC94 clinicians in the group

Specialties

Find other Internal Medicine doctors in Nevada →

Other internal medicine doctors in Nevada

Clinicians with the same Medicare primary specialty in Nevada — not a recommendation.

All internal medicine doctors in Nevada →

Other clinicians in Paragon Physical Therapy and Rehab LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Nevada School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346213741
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