Jason Van Tassel, M.D.
NPI 1225143084 · Otolaryngology Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Van Tassel, M.D. is a Otolaryngology Physician provider in Fremont, CA (NPI 1225143084).
Provider details
- NPI number
- 1225143084
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A79305 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,181 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 704 | $110 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 374 | $134 |
| Removal of Impacted Ear Wax69210 | 300 | $56 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 203 | $154 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 178 | $162 |
| Removal of Impacted Cerumen (one Or Both Ears) By Physician on Same Date of Service As Audiologic Function TestingG0268 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 294 | 110 |
| Fluticasone Propionate | 252 | 113 |
| Ipratropium Bromide | 198 | 62 |
| Famotidine | 162 | 83 |
| Fluocinolone Acetonide Oil | 115 | 65 |
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hc | 48 | 38 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$658 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2013-09-18
Frequently asked questions
- What is Jason Van Tassel's NPI number?
- Jason Van Tassel's National Provider Identifier (NPI) is 1225143084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Van Tassel's specialty?
- Jason Van Tassel is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Van Tassel located?
- Jason Van Tassel's practice location on file with NPPES is 2557 Mowry Ave Ste 30, Fremont, CA 94538-1614.
- What is Jason Van Tassel's phone number?
- The practice phone number listed in the NPPES registry for Jason Van Tassel is (510) 248-1590.
- Does Jason Van Tassel accept Medicare?
- Jason Van Tassel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Van Tassel's NPI active?
- Yes — Jason Van Tassel's NPI (1225143084) is active in the NPPES registry as of the last update on 2013-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.