Quick answers
- Does Jennifer P. Woo accept Medicare assignment?
- Medicare's clinician data says Jennifer P. Woo may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jennifer P. Woo see?
- In 2024, CMS data shows 1,194 Original Medicare patients and 1,820 services for Jennifer P. Woo. This counts Original Medicare only and measures volume, not quality.
- What is Jennifer P. Woo's NPI number?
- 1801213186. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jennifer P. Woo, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,194 |
|---|---|
| Services billed to Medicare | 1,820 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)481 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)450 services
- Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)157 services
- Ultrasound of heart blood flow, valves and chambers, follow-up (93321)131 services
- Ultrasound of heart blood flow, valves and chambers (93320)120 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease49%
- Heart failure47%
- Chronic kidney disease44%
- Atrial fibrillation43%
Hospitals where Jennifer P. Woo works
Medicare's Facility Affiliation Data lists Jennifer P. Woo at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
- Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283
Practice locations
Addresses where Jennifer P. Woo is enrolled with Medicare (CMS data updated October 2, 2026).
Specialties
Find other Adult Congenital Heart Disease (ACHD) doctors in California →
Other adult congenital heart disease cardiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
- Bryan P. Mosher, MD
- Ramesh C. Bansal, MD
- Laith Alshawabkeh, MD
- Matthew R. Carazo, MD
- Hans Gao, MD
- Amy L. Rahm, MD
- Ahmed Kheiwa, MD
- Jacqueline T. Desjardin, MD
All adult congenital heart disease cardiologists in California →
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1801213186 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians