Doctor profile · Federal record

Dr. James Willis, M.D.

Pain Medicine (Anesthesiology) Physician · Auburn, CA

  • NPI 1538153127
  • MIPS 80.4 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11971 Heritage Oak Pl
Auburn, CA 956032461
(530) 745-9615
fax (530) 745-9610

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
May 14, 2014
Specialty taxonomy
207LP2900X — NUCC code
State license (1)
California #G37443
Medicaid
CA #GR0028370

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538153127. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
329
Distinct HCPCS
3
Medicare allowed
$25,656
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 266 107 $74
99203 New patient office or other outpatient visit, 30-44 minutes 45 45 $93
62323 Injection of substance into lower spine canal using imaging guidance 18 15 $96

In context: peer comparison

Among 1 peers in this city , average services per provider: 109. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
16
Total drug cost
$2,759
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 53 16 $1,800
Gabapentin Generic 36 0 $895
Tramadol Hcl Generic 13 0 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. James Willis's medical specialty?
Dr. James Willis practices Pain Medicine (Anesthesiology) Physician in Auburn, CA.
Where does Dr. James Willis practice?
Dr. James Willis practices at 11971 Heritage Oak Pl, Auburn, CA 956032461. Office phone: 5307459615.
What is Dr. James Willis's NPI?
Dr. James Willis's National Provider Identifier (NPI) is 1538153127, issued by NPPES.
What procedures does Dr. James Willis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Injection of substance into lower spine canal using imaging guidance (HCPCS 62323). Source: CMS Medicare Physician & Other Practitioners file.