Doctor profile · Federal record

Dr. Karen Pike, M.D

Emergency Medicine Physician (CMS: Emergency Medicine) · San Jose, CA

  • NPI 1497700553
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 31 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2425 Samaritan Drive
San Jose, CA 95124
(408) 559-2552
Mailing address
2100 Powell Street, Ste 920
Emeryville, CA 946081803

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A60848

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497700553. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
247
Distinct HCPCS
5
Medicare allowed
$37,368
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 105 104 $191
99284 Emergency department visit with moderate level of medical decision making 96 94 $132
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 19 19 $9
99291 Critical care, first 30-74 minutes 15 15 $238
99283 Emergency department visit with low level of medical decision making 12 12 $78

In context: peer comparison

Among 31 peers in this city , average services per provider: 115. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
28
Total drug cost
$143
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 16 $49
Cephalexin Generic 12 12 $94

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Pike's medical specialty?
Dr. Karen Pike practices Emergency Medicine Physician in San Jose, CA.
Where does Dr. Karen Pike practice?
Dr. Karen Pike practices at 2425 Samaritan Drive, San Jose, CA 95124. Office phone: 4085592552.
What is Dr. Karen Pike's NPI?
Dr. Karen Pike's National Provider Identifier (NPI) is 1497700553, issued by NPPES.
Does Dr. Karen Pike accept Medicare assignment?
Yes. Dr. Karen Pike accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Pike commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.