Doctor profile · Federal record

Dr. James Mok, MD

Orthopaedic Surgery of the Spine Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Stanford, CA

  • NPI 1831271436
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 28, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207XS0117X — NUCC code
State license (1)
California #A91148

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831271436. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
456
Distinct HCPCS
8
Medicare allowed
$56,439
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 147 106 $108
99204 New patient office or other outpatient visit, 45-59 minutes 111 111 $147
99214 Established patient office or other outpatient visit, 30-39 minutes 78 57 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 39 33 $69
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 23 13 $284
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $141
99213 Established patient office or other outpatient visit, 20-29 minutes 20 20 $72
99215 Established patient office or other outpatient visit, 40-54 minutes 16 16 $160

In context: peer comparison

Among 5 peers in this city , average services per provider: 59. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$52,366
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
MiRus, LLC 3 $51,588.67
Stryker Corporation 2 $278.58
Globus Medical, Inc. 2 $273.27
Carlsmed, Inc. 1 $225.26

By nature of payment

Royalty or License
$38,855
Consulting Fee
$12,188
Food and Beverage
$777
Travel and Lodging
$546

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
122
Patients
85
Total drug cost
$1,828
Drug Type Claims Patients Total cost
Gabapentin Generic 39 23 $999
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 26 18 $461
Meloxicam Generic 23 16 $84
Tizanidine Hcl Generic 18 14 $128
Methylprednisolone Generic 16 14 $156

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Mok's medical specialty?
Dr. James Mok practices Orthopaedic Surgery of the Spine Physician in Stanford, CA.
Where does Dr. James Mok practice?
Dr. James Mok practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. James Mok's NPI?
Dr. James Mok's National Provider Identifier (NPI) is 1831271436, issued by NPPES.
Does Dr. James Mok accept Medicare assignment?
Yes. Dr. James Mok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Mok commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.