NPPES file of Aug 9, 2026

Jennifer Ann Tremmel, MD

Interventional Cardiology Physician · Stanford, CA

Jennifer Ann Tremmel, MD is an interventional cardiology physician with a practice address in Stanford, California, and NPI 1093733909, issued on Jul 18, 2006. Check the license (California A82309, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093733909
Name
Jennifer Ann Tremmel
Credential
MD
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
A82309 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Jul 18, 2006
Record last updated
Apr 26, 2024
Medicare enrollment
Enrolled (PECOS I20070226000591); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 1998
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Pasteur Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Jennifer Ann Tremmel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A82309
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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78% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

687 Medicare Part D claims for 111 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Jennifer Tremmel687
  2. Specialty average3,179

Most prescribed

  1. Atorvastatin Calcium85 claims
  2. Rosuvastatin Calcium80 claims
  3. Clopidogrel77 claims
  4. Metoprolol Succinate50 claims
  5. Repatha Sureclick50 claims
  6. Amlodipine Besylate34 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costout of 100 · 30%44.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $47,575.19

40 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Tremmel$47,575
  2. Specialty average$7,062

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Stanford Health CareSan Jose, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Interventional Cardiology Physician providers in California

There are 632 interventional cardiology physician records in California.

Other interventional cardiology physician records in California

  1. Ayman AbdelkarimTorrance, CA1407353600
  2. Murrad Abdelkarim, M.D.Torrance, CA1073706495
  3. Obai Abdullah, MDCarmichael, CA1417263450
  4. Mohammad Abid, MD FACCIndio, CA1699857706
  5. Bader Abu Ghalyoun, MDStockton, CA1740492214
  6. Islam Abudayyeh, M.D.Redlands, CA1356451785
  7. Roger Acheatel, M.D.Escondido, CA1730182619
  8. Oluwayemisi Adejumo, M.D.Oakland, CA1699031179
  9. Ashish Aggarwal, M.D.Encino, CA1760682868
  10. Atul Aggarwal, MDBakersfield, CA1043290778

Common questions

What is Jennifer Ann Tremmel, MD's NPI number?

Jennifer Ann Tremmel, MD's National Provider Identifier (NPI) is 1093733909, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Ann Tremmel, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Ann Tremmel, MD's license?

NPPES lists California license number A82309, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jennifer Ann Tremmel, MD prescribe under Medicare Part D?

In 2024, Jennifer Ann Tremmel, MD had 687 Medicare Part D claims for 111 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.

What is Jennifer Ann Tremmel, MD's MIPS final score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.