Doctor profile · Federal record

Dr. DUSTIN GROSSHEIM

Physician Assistant · Physician Assistant · OCEANSIDE, CA

  • NPI 1598395709
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2205 VISTA WAY
OCEANSIDE, CA 920545661
(760) 704-5870
Additional location
109 S Las Posas Rd Ste 101
San Marcos, CA 920782419
(760) 258-4826
Mailing address
10790 RANCHO BERNARDO RD
SAN DIEGO, CA 921275705

Credentials & registration

NPPES · NUCC
NPI registered
January 2020 — 6 yrs on file
Profile last updated
January 8, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA57890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598395709. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
283
Distinct HCPCS
7
Medicare allowed
$29,612
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 84 78 $115
99204 New patient office or other outpatient visit, 45-59 minutes 67 67 $151
99203 New patient office or other outpatient visit, 30-44 minutes 39 39 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 39 39 $83
81003 Automated urinalysis test 23 21 $2
71046 X-ray of chest, 2 views 16 16 $33
87637 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 15 15 $140

In context: peer comparison

Among 10 peers in this city , average services per provider: 145. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$833
Transactions
29
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 9 $213.56
Ferring Pharmaceuticals Inc. 1 $117.61
GENZYME CORPORATION 3 $92.49
Takeda Pharmaceuticals U.S.A., Inc. 2 $60.62
ABBVIE INC. 2 $51.74
PFIZER INC. 2 $49.83
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $35.00
Lilly USA, LLC 1 $33.16
DePuy Synthes Sales Inc. 1 $32.72
Neurocrine Biosciences, Inc. 1 $31.61
Otsuka America Pharmaceutical, Inc. 1 $29.73
Braintree Laboratories, Inc. 1 $24.69
Aurinia Pharma U.S., Inc. 1 $24.57
Regeneron Healthcare Solutions, Inc. 1 $20.41
SCILEX PHARMACEUTICALS INC. 1 $15.67

By nature of payment

Food and Beverage
$749
Education
$84

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
56
Total drug cost
$703
Drug Type Claims Patients Total cost
Cephalexin Generic 22 22 $230
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $122
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 11 11 $237
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 11 11 $115

Hospital affiliations

CMS Hospital Compare