Gerald Yoon, M.D.
NPI 1477602308 · Urology Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Yoon, M.D. is a Urology Physician provider in Whittier, CA (NPI 1477602308).
Provider details
- NPI number
- 1477602308
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A80300 (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
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
1,300 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 323 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 271 | $99 |
| Urinalysis, Manual Test81002 | 270 | $3 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 71 | $180 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 67 | $120 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 903 | 290 |
| Ciprofloxacin Hcl | 492 | 344 |
| Mirabegronbrand: Myrbetriq | 454 | 128 |
| Finasteride | 385 | 113 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 271 | 75 |
| Solifenacin Succinate | 158 | 50 |
| Dutasteride | 151 | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,004 across 43 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
- 2007-01-09
- Last updated
- 2020-03-26
- Certified
- 2020-03-26
Frequently asked questions
- What is Gerald Yoon's NPI number?
- Gerald Yoon's National Provider Identifier (NPI) is 1477602308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Yoon's specialty?
- Gerald Yoon is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Yoon located?
- Gerald Yoon's practice location on file with NPPES is 14350 Whittier Blvd, Whittier, CA 90605-2138.
- What is Gerald Yoon's phone number?
- The practice phone number listed in the NPPES registry for Gerald Yoon is (562) 907-7600.
- Does Gerald Yoon accept Medicare?
- Gerald Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Yoon's NPI active?
- Yes — Gerald Yoon's NPI (1477602308) is active in the NPPES registry as of the last update on 2020-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.