Doctor profile · Federal record

Dr. Jason van Tassel, M.D.

Otolaryngology Physician (CMS: Otolaryngology) · Fremont, CA

  • NPI 1225143084
  • Accepts Medicare
  • MIPS 81.9 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2557 Mowry Ave Ste 30
Fremont, CA 945381614
(510) 248-1590

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 18, 2013
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
California #A79305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225143084. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,067
Distinct HCPCS
10
Medicare allowed
$241,771
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 601 444 $107
99203 New patient office or other outpatient visit, 30-44 minutes 367 366 $132
69210 Removal of impacted ear wax 299 254 $55
31575 Diagnostic exam of voice box using a flexible endoscope 188 160 $165
99214 Established patient office or other outpatient visit, 30-39 minutes 152 121 $150
99212 Established patient office or other outpatient visit, 10-19 minutes 104 96 $69
G0268 Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing 98 97 $63
99202 New patient office or other outpatient visit, 15-29 minutes 97 97 $87
31231 Diagnostic exam of nasal passages using an endoscope 73 60 $233
30903 Complex control of nose bleed 38 34 $324

In context: peer comparison

Among 4 peers in Fremont Otolaryngology Physician, average services per provider: 112. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$658
Transactions
34
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, INC. 18 $367.76
Smith+Nephew, INC. 12 $183.28
Integra LifeSciences Corporation 1 $36.37
Medtronic, INC. 1 $30.04
Ethicon US, LLC 1 $26.70
Genzyme Corporation 1 $14.19

By nature of payment

Food and Beverage
$658

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,089
Patients
527
Total drug cost
$35,712
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 310 128 $4,597
Fluticasone Propionate Generic 212 106 $3,677
Ipratropium Bromide Generic 178 66 $6,832
Famotidine Generic 112 50 $2,813
Fluocinolone Acetonide Oil Generic 49 32 $4,168
Neomycin-Polymyxin-Hc (Neomycin/Polymyxin B/Hydrocort) Brand 39 32 $2,509
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 31 30 $297
Pilocarpine Hcl Generic 30 18 $2,421
Cevimeline Hcl Generic 22 0 $5,354
Triamcinolone Acetonide Generic 21 0 $730

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason van Tassel's medical specialty?
Dr. Jason van Tassel practices Otolaryngology Physician in Fremont, CA.
Where does Dr. Jason van Tassel practice?
Dr. Jason van Tassel practices at 2557 Mowry Ave Ste 30, Fremont, CA 945381614. Office phone: 5102481590.
What is Dr. Jason van Tassel's NPI?
Dr. Jason van Tassel's National Provider Identifier (NPI) is 1225143084, issued by NPPES.
Does Dr. Jason van Tassel accept Medicare assignment?
Yes. Dr. Jason van Tassel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason van Tassel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Removal of impacted ear wax (HCPCS 69210). Source: CMS Medicare Physician & Other Practitioners file.