Jennifer Liu, M. D.
NPI 1669623161 · Urology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Liu, M. D. is a Urology Physician provider in Los Alamitos, CA (NPI 1669623161).
Provider details
- NPI number
- 1669623161
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A99210 (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
17 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
3,996 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 | 1,674 | $94 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 493 | $12 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 342 | $15 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 297 | $25 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 218 | $257 |
| Insertion of Lower Leg Neurostimulator Electrode64566 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 544 | 205 |
| Finasteride | 365 | 113 |
| Estradiol | 238 | 116 |
| Cefdinir | 176 | 126 |
| Trospium Chloride | 167 | 60 |
| Solifenacin Succinate | 153 | 67 |
| Ciprofloxacin Hcl | 134 | 122 |
| Sulfamethoxazole/Trimethoprim |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,488 across 26 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
- 2008-10-02
- Last updated
- 2024-02-14
- Certified
- 2024-02-14
Frequently asked questions
- What is Jennifer Liu's NPI number?
- Jennifer Liu's National Provider Identifier (NPI) is 1669623161, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Liu's specialty?
- Jennifer Liu is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Liu located?
- Jennifer Liu's practice location on file with NPPES is 3801 Katella Ave Ste 115, Los Alamitos, CA 90720-3359.
- What is Jennifer Liu's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Liu is (562) 247-0883.
- Does Jennifer Liu accept Medicare?
- Jennifer Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Liu's NPI active?
- Yes — Jennifer Liu's NPI (1669623161) is active in the NPPES registry as of the last update on 2024-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.