Doctor profile · Federal record

Dr. Garrett Chapman, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Redlands, CA

  • NPI 1831457175
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2 W Fern Ave
Redlands, CA 92373
(909) 793-3311
Mailing address
Po Box 35380
Las Vegas, NV 891335380

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
December 7, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #A128846

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831457175. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
395
Distinct HCPCS
5
Medicare allowed
$14,678
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 250 24 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 68 49 $93
20610 Aspiration and/or injection of fluid from large joint 30 21 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 30 28 $131
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $116

In context: peer comparison

Among 6 peers in Redlands Orthopaedic Surgery Physician, average services per provider: 209. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$288
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Arthrex, INC. 1 $133.48
Smith+Nephew, INC. 2 $105.56
Zimmer Biomet Holdings, INC. 1 $35.74
Empire Medical, INC 1 $13.49

By nature of payment

Food and Beverage
$288

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
180
Patients
128
Total drug cost
$1,360
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 128 94 $956
Tramadol Hcl Generic 15 12 $53
Cephalexin Generic 13 11 $94
Ibuprofen Generic 13 0 $125
Methylprednisolone Generic 11 11 $132

Frequently asked questions

Auto-generated from federal data
What is Dr. Garrett Chapman's medical specialty?
Dr. Garrett Chapman practices Orthopaedic Surgery Physician in Redlands, CA.
Where does Dr. Garrett Chapman practice?
Dr. Garrett Chapman practices at 2 W Fern Ave, Redlands, CA 92373. Office phone: 9097933311.
What is Dr. Garrett Chapman's NPI?
Dr. Garrett Chapman's National Provider Identifier (NPI) is 1831457175, issued by NPPES.
Does Dr. Garrett Chapman accept Medicare assignment?
Yes. Dr. Garrett Chapman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Chapman commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.