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 Oceanside Physician Assistant, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Dustin Grossheim's medical specialty?
Dr. Dustin Grossheim practices Physician Assistant in Oceanside, CA.
Where does Dr. Dustin Grossheim practice?
Dr. Dustin Grossheim practices at 2205 Vista Way, Oceanside, CA 920545661. Office phone: 7607045870.
What is Dr. Dustin Grossheim's NPI?
Dr. Dustin Grossheim's National Provider Identifier (NPI) is 1598395709, issued by NPPES.
Does Dr. Dustin Grossheim accept Medicare assignment?
Yes. Dr. Dustin Grossheim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dustin Grossheim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); 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.