Jennifer Tremmel, MD
NPI 1093733909 · Interventional Cardiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Tremmel, MD is a Interventional Cardiology Physician provider in Stanford, CA (NPI 1093733909).
Provider details
- NPI number
- 1093733909
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A82309 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
662 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 158 | $9 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 129 | $13 |
| Insertion of Tube in Coronary Artery for Diagnosis With Review By Radiologist93454 | 73 | $207 |
| Ultrasound Evaluation of Heart Blood Vessel Or Graft With Review By Radiologist, Initial Vessel92978 | 65 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 61 | $164 |
| Insertion of Stents With Balloon Dilation of Coronary Artery Or Branch, Single Artery Or Branch |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 85 | 24 |
| Rosuvastatin Calcium | 80 | 27 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 77 | 32 |
| Metoprolol Succinate | 50 | 15 |
| Evolocumabbrand: Repatha Sureclick | 50 | 11 |
| Amlodipine Besylate | 34 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$47,575 across 40 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
- 2006-07-18
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is Jennifer Tremmel's NPI number?
- Jennifer Tremmel's National Provider Identifier (NPI) is 1093733909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Tremmel's specialty?
- Jennifer Tremmel is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Tremmel located?
- Jennifer Tremmel's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Jennifer Tremmel's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Tremmel is (650) 723-4000.
- Does Jennifer Tremmel accept Medicare?
- Jennifer Tremmel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Tremmel's NPI active?
- Yes — Jennifer Tremmel's NPI (1093733909) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.