Jennifer Xu, M.D.
NPI 1659802536 · Cardiovascular Disease Physician · Orange, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Xu, M.D. is a Cardiovascular Disease Physician provider in Orange, CA (NPI 1659802536).
Provider details
- NPI number
- 1659802536
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A159793 (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
9 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
2,456 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 | 600 | $8 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 291 | $193 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 242 | $71 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 129 | $156 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 116 | $150 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 121 | 48 |
| Amlodipine Besylate | 116 | 35 |
| Furosemide | 108 | 27 |
| Atorvastatin Calcium | 97 | 35 |
| Carvedilol | 81 | 30 |
| Losartan Potassium | 59 | 22 |
| Empagliflozinbrand: Jardiance | 54 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,915 across 8 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
- 2017-03-23
- Last updated
- 2023-04-10
- Certified
- 2023-04-10
Frequently asked questions
- What is Jennifer Xu's NPI number?
- Jennifer Xu's National Provider Identifier (NPI) is 1659802536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Xu's specialty?
- Jennifer Xu is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Xu located?
- Jennifer Xu's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Jennifer Xu's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Xu is (714) 456-5691.
- Does Jennifer Xu accept Medicare?
- Jennifer Xu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Xu's NPI active?
- Yes — Jennifer Xu's NPI (1659802536) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.