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Physician Assistant

Shirley L. Huffman, PA

Works at hospitals in Clearlake, CA · Chico, CA · Oroville, CA · California

Summary

Shirley L. Huffman, PA is a physician assistant at 114 Mission Ranch Blvd, Suite 10, Chico, CA 95926. Phone: (530) 894-0500. Accepts Medicare assignment. In 2024, Shirley L. Huffman had 448 Original Medicare patients and 5,044 services. NPI 1811431455. 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 Shirley L. Huffman, 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 Shirley L. Huffman accept Medicare assignment?
Yes. Medicare's clinician data says Shirley L. Huffman 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 Shirley L. Huffman see?
In 2024, CMS data shows 448 Original Medicare patients and 5,044 services for Shirley L. Huffman. This counts Original Medicare only and measures volume, not quality.
What is Shirley L. Huffman's NPI number?
1811431455. 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 Shirley L. Huffman, 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 patients448
Services billed to Medicare5,044
Different services or procedures38
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)2,400 services
  2. 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)789 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)751 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)164 services
  5. Telephone medical discussion with physician, 21-30 minutes (99443)124 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 pressure63%
  • Arthritis33%
  • Depression17%
  • Anxiety16%
  • Diabetes15%

Hospitals where Shirley L. Huffman works

Medicare's Facility Affiliation Data lists Shirley L. Huffman 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.

  • Adventist Health ClearlakeClearlake, CA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 051317
  • Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039
  • Oroville HospitalOroville, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050030

Practice locations

Addresses where Shirley L. Huffman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shirley L. Huffman as a member of this group (CMS data updated October 2, 2026).

  • Mission Ranch Primary Care Inc12 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Chico

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

All physician assistants in Chico →

Other clinicians in Mission Ranch Primary Care Inc

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

Clinician information

CredentialPA
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811431455
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