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Diagnostic Radiology

Joan K. Frisoli, MD

Works at hospitals in Monterey, CA · Salinas, CA · California

Summary

Dr. Joan K. Frisoli, MD is a radiologist at 23625 Holman Hwy, Monterey, CA 93940. Phone: (831) 624-5311. Accepts Medicare assignment. In 2024, Joan K. Frisoli had 4,630 Original Medicare patients and 8,309 services. NPI 1093724692. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Joan K. Frisoli, 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 Joan K. Frisoli accept Medicare assignment?
Yes. Medicare's clinician data says Joan K. Frisoli 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 Joan K. Frisoli see?
In 2024, CMS data shows 4,630 Original Medicare patients and 8,309 services for Joan K. Frisoli. This counts Original Medicare only and measures volume, not quality.
What is Joan K. Frisoli's NPI number?
1093724692. 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 Joan K. Frisoli, 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 patients4,630
Services billed to Medicare8,309
Different services or procedures251
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. X-ray of chest, 1 view (71045)1,048 services
  2. X-ray of chest, 2 views (71046)595 services
  3. Ct scan of abdomen and pelvis with contrast (74177)450 services
  4. Ct scan head or brain without contrast (70450)439 services
  5. Ct scan of chest without contrast (71250)229 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%
  • Arthritis54%
  • Ischemic heart disease40%
  • Diabetes30%
  • Chronic kidney disease28%

Hospitals where Joan K. Frisoli works

Medicare's Facility Affiliation Data lists Joan K. Frisoli 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.

Practice locations

Addresses where Joan K. Frisoli is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joan K. Frisoli as a member of this group (CMS data updated October 2, 2026).

  • Community Hospital of the Monterey Peninsula146 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Monterey

Clinicians with the same Medicare primary specialty in Monterey, CA — not a recommendation.

All radiologists in Monterey →

Other clinicians in Community Hospital of the Monterey Peninsula

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

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093724692
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