Khoi Tang, M.D.
NPI 1285615559 · Urology Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khoi Tang, M.D. is a Urology Physician provider in Garden Grove, CA (NPI 1285615559).
Provider details
- NPI number
- 1285615559
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G82013 (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
20 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
2,875 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 | 2,209 | $92 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 290 | $112 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 123 | $251 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 70 | $129 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 53 | $125 |
| Removal of Prostate Gland Using an Electrocautery Knife Through Urethra With Control of Bleeding Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 2,387 | 610 |
| Finasteride | 2,366 | 621 |
| Ciprofloxacin Hcl | 310 | 237 |
| Mirabegronbrand: Myrbetriq | 297 | 79 |
| Oxybutynin Chloride | 267 | 94 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 226 | 196 |
| Bicalutamide | 214 | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 1 record (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
- 2005-11-14
- Last updated
- 2011-08-17
Frequently asked questions
- What is Khoi Tang's NPI number?
- Khoi Tang's National Provider Identifier (NPI) is 1285615559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khoi Tang's specialty?
- Khoi Tang is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Khoi Tang located?
- Khoi Tang's practice location on file with NPPES is 8915 Westminster Ave, Garden Grove, CA 92844-2609.
- What is Khoi Tang's phone number?
- The practice phone number listed in the NPPES registry for Khoi Tang is (714) 899-4287.
- Does Khoi Tang accept Medicare?
- Khoi Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khoi Tang's NPI active?
- Yes — Khoi Tang's NPI (1285615559) is active in the NPPES registry as of the last update on 2011-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.