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Internal Medicine

Karen A. Cadman, MD

Works at hospitals in Encinitas, CA · Oceanside, CA · San Diego, CA · California

Summary

Dr. Karen A. Cadman, MD is an internal medicine doctor at 16950 Via Tazon, San Diego, CA 92127. Phone: (800) 926-8273. Accepts Medicare assignment. In 2024, Karen A. Cadman had 491 Original Medicare patients and 2,747 services. NPI 1669498754. 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 Karen A. Cadman, 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 Karen A. Cadman accept Medicare assignment?
Yes. Medicare's clinician data says Karen A. Cadman 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 Karen A. Cadman see?
In 2024, CMS data shows 491 Original Medicare patients and 2,747 services for Karen A. Cadman. This counts Original Medicare only and measures volume, not quality.
What is Karen A. Cadman's NPI number?
1669498754. 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 Karen A. Cadman, 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 patients491
Services billed to Medicare2,747
Different services or procedures69
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)491 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)368 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)348 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)305 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)183 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 cholesterol70%
  • High blood pressure61%
  • Arthritis45%
  • Osteoporosis29%
  • Depression26%
  • Ischemic heart disease22%

Hospitals where Karen A. Cadman works

Medicare's Facility Affiliation Data lists Karen A. Cadman 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 Karen A. Cadman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karen A. Cadman as a member of this group (CMS data updated October 2, 2026).

  • UC San Diego Health Community Group109 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Diego

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

All internal medicine doctors in San Diego →

Other clinicians in UC San Diego Health Community Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1669498754
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