Doctor profile · Federal record

Dr. Karen Whang, MD

Surgery Physician (CMS: General Surgery) · Menlo Park, CA

  • NPI 1477668622
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1300 Crane St
Menlo Park, CA 940254260
(650) 498-7489
Additional location
300 Pasteur Dr
Palo Alto, CA 943042203
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 29, 2024
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A69272

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477668622. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
51
Distinct HCPCS
2
Medicare allowed
$8,337
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $194
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $132

In context: peer comparison

Among 1 peers in Menlo Park Surgery Physician, average services per provider: 25. This provider delivers 2.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Whang's medical specialty?
Dr. Karen Whang practices Surgery Physician in Menlo Park, CA.
Where does Dr. Karen Whang practice?
Dr. Karen Whang practices at 1300 Crane St, Menlo Park, CA 940254260. Office phone: 6504987489.
What is Dr. Karen Whang's NPI?
Dr. Karen Whang's National Provider Identifier (NPI) is 1477668622, issued by NPPES.
Does Dr. Karen Whang accept Medicare assignment?
Yes. Dr. Karen Whang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Whang commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.