Doctor profile · Federal record

Dr. Jamey Rock, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Fremont, CA

  • NPI 1083799746
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
39400 Paseo Padre Pkwy
Fremont, CA 945382310
(510) 795-3000
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 22, 2021
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A79068
Medicaid
CA #00A790680

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083799746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,627
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 14 14 $188

In context: peer comparison

Among 6 peers in this city , average services per provider: 52. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
99
Patients
71
Total drug cost
$1,487
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 23 $167
Cefpodoxime Proxetil Generic 20 20 $639
Cefadroxil Generic 15 15 $181
Tamsulosin Hcl Generic 15 0 $185
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 0 $209
Ibuprofen Generic 13 13 $106

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jamey Rock's medical specialty?
Dr. Jamey Rock practices Emergency Medicine Physician in Fremont, CA.
Where does Dr. Jamey Rock practice?
Dr. Jamey Rock practices at 39400 Paseo Padre Pkwy, Fremont, CA 945382310. Office phone: 5107953000.
What is Dr. Jamey Rock's NPI?
Dr. Jamey Rock's National Provider Identifier (NPI) is 1083799746, issued by NPPES.
Does Dr. Jamey Rock accept Medicare assignment?
Yes. Dr. Jamey Rock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jamey Rock commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.