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Family Practice

Kristine S. Percy, MD

Works at hospitals in Fullerton, CA · California

Summary

Dr. Kristine S. Percy, MD is a family doctor at 539 S Brea Blvd, Brea, CA 92821. Phone: (714) 671-2936. Accepts Medicare assignment. In 2024, Kristine S. Percy had 51 Original Medicare patients and 169 services. NPI 1972697605. 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.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 539 S Brea Blvd, Brea, CA 92821 · Directions
  • Phone: (714) 671‑2936
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence St. Jude Medical Center
  • Medical school: University Of California, Geffen School Of Medicine · graduated 1992 (34 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 Kristine S. Percy, 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 Kristine S. Percy accept Medicare assignment?
Yes. Medicare's clinician data says Kristine S. Percy 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 Kristine S. Percy see?
In 2024, CMS data shows 51 Original Medicare patients and 169 services for Kristine S. Percy. This counts Original Medicare only and measures volume, not quality.
What is Kristine S. Percy's NPI number?
1972697605. 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 Kristine S. Percy, 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 patients51
Services billed to Medicare169
Different services or procedures17
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)64 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)32 services
  3. Annual depression screening, 5 to 15 minutes (G0444)25 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)20 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 cholesterol71%
  • High blood pressure47%
  • Arthritis43%
  • Diabetes25%
  • Osteoporosis24%

Hospitals where Kristine S. Percy works

Medicare's Facility Affiliation Data lists Kristine S. Percy 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 Kristine S. Percy is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in California →

Other family doctors in Brea

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

All family doctors in Brea →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972697605
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