Doctor profile · Federal record

Dr. Karen van Hoesen, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · San Diego, CA

  • NPI 1750322517
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(858) 249-6748
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 23, 2023
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A49233
Medicaid
CA #00A492330

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750322517. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
450
Distinct HCPCS
10
Medicare allowed
$51,348
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 106 106 $177
99284 Emergency department visit with moderate level of medical decision making 70 70 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 66 64 $97
99183 Management of oxygen chamber therapy 47 17 $108
99214 Established patient office or other outpatient visit, 30-39 minutes 39 38 $137
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 28 28 $50
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 26 26 $8
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $120
87502 Detection test by nucleic acid for multiple types influenza virus 19 19 $94
99283 Emergency department visit with low level of medical decision making 13 13 $72

In context: peer comparison

Among 130 peers in San Diego Emergency Medicine Physician, average services per provider: 67. This provider delivers 6.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
39
Total drug cost
$306
Drug Type Claims Patients Total cost
Cephalexin Generic 24 24 $161
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $145

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen van Hoesen's medical specialty?
Dr. Karen van Hoesen practices Emergency Medicine Physician in San Diego, CA.
Where does Dr. Karen van Hoesen practice?
Dr. Karen van Hoesen practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8582496748.
What is Dr. Karen van Hoesen's NPI?
Dr. Karen van Hoesen's National Provider Identifier (NPI) is 1750322517, issued by NPPES.
Does Dr. Karen van Hoesen accept Medicare assignment?
Yes. Dr. Karen van Hoesen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen van Hoesen 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.