Doctor profile · Federal record

Dr. Ryan Chen, MD

Surgery Physician (CMS: General Surgery) · Student in an Organized Health Care Education/Training Program · Roseville, CA

  • NPI 1831516095
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
584 N Sunrise Ave Ste 100
Roseville, CA 956612862
(916) 250-2596
Additional location
530 S Jackson St
Louisville, KY 402021675
(626) 226-8275

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
June 11, 2019
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A158963

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831516095. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
379
Distinct HCPCS
10
Medicare allowed
$50,952
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 103 55 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 87 86 $176
99203 New patient office or other outpatient visit, 30-44 minutes 52 52 $115
99213 Established patient office or other outpatient visit, 20-29 minutes 37 30 $95
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $173
76937 Ultrasonic guidance for blood vessel access 14 14 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 14 13 $134
77001 Fluoroscopic guidance for insertion or removal of central vein access device 13 13 $18
36561 Insertion of central venous tube with port (5 years or older) 12 12 $319
49650 Repair of groin hernia using an endoscope 12 12 $476

In context: peer comparison

Among 9 peers in Roseville Surgery Physician, average services per provider: 57. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,579
Transactions
21
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Globus Medical, INC. 9 $1,058.80
Intuitive Surgical, INC. 4 $237.37
Tela Bio, INC. 2 $132.30
Medtronic, INC. 1 $58.18
PolyNovo North America LLC 1 $21.73
Pacira Pharmaceuticals Incorporated 1 $19.77
Organogenesis INC. 1 $18.85
Inari Medical, INC. 1 $17.52
Hologic Sales and Service, LLC 1 $14.01

By nature of payment

Travel and Lodging
$939
Food and Beverage
$639

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
97
Total drug cost
$607
Drug Type Claims Patients Total cost
Ibuprofen Generic 45 44 $230
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 33 33 $223
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 24 20 $154

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Chen's medical specialty?
Dr. Ryan Chen practices Surgery Physician in Roseville, CA.
Where does Dr. Ryan Chen practice?
Dr. Ryan Chen practices at 584 N Sunrise Ave Ste 100, Roseville, CA 956612862. Office phone: 9162502596.
What is Dr. Ryan Chen's NPI?
Dr. Ryan Chen's National Provider Identifier (NPI) is 1831516095, issued by NPPES.
Does Dr. Ryan Chen accept Medicare assignment?
Yes. Dr. Ryan Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.