Doctor profile · Federal record

Dr. Stephen Shey

Internal Medicine Physician (CMS: Internal Medicine) · Gilroy, CA

  • NPI 1023639978
  • Accepts Medicare
  • MIPS 74.2 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9400 N Name Uno
Gilroy, CA 950203528
(408) 848-2000
Additional location
3301 Matlock RD
Arlington, TX 760152908
(817) 347-1141
Mailing address
950 Kensington Dr
Fremont, CA 945394519

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
August 1, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A185774

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023639978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
244
Distinct HCPCS
3
Medicare allowed
$24,842
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 182 61 $89
99239 Hospital discharge day management, more than 30 minutes 35 35 $131
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 27 27 $147

In context: peer comparison

Among 1 peers in Gilroy Internal Medicine Physician, average services per provider: 81. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Shey's medical specialty?
Dr. Stephen Shey practices Internal Medicine Physician in Gilroy, CA.
Where does Dr. Stephen Shey practice?
Dr. Stephen Shey practices at 9400 N Name Uno, Gilroy, CA 950203528. Office phone: 4088482000.
What is Dr. Stephen Shey's NPI?
Dr. Stephen Shey's National Provider Identifier (NPI) is 1023639978, issued by NPPES.
Does Dr. Stephen Shey accept Medicare assignment?
Yes. Dr. Stephen Shey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Shey commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.