Andrea Chan, M. D.
NPI 1154681906 · Urology Physician · Monterey, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Chan, M. D. is a Urology Physician provider in Monterey, CA (NPI 1154681906).
Provider details
- NPI number
- 1154681906
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Female
- Sole proprietor
- No
- License
- A120129 (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
14 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
1,067 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) |
|---|---|---|
| Urinalysis, Manual Test81002 | 288 | $3 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 187 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 156 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $91 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 82 | $254 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 69 | 38 |
| Mirabegronbrand: Myrbetriq | 56 | 22 |
| Finasteride | 30 | 17 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 21 | — |
| Potassium Citratebrand: Potassium Citrate Er | 18 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 17 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,755 across 23 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
- 2012-05-25
- Last updated
- 2018-05-11
Frequently asked questions
- What is Andrea Chan's NPI number?
- Andrea Chan's National Provider Identifier (NPI) is 1154681906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Chan's specialty?
- Andrea Chan is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrea Chan located?
- Andrea Chan's practice location on file with NPPES is 23845 Holman Hwy Ste 203, Monterey, CA 93940-5901.
- What is Andrea Chan's phone number?
- The practice phone number listed in the NPPES registry for Andrea Chan is (831) 624-3579.
- Does Andrea Chan accept Medicare?
- Andrea Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Chan's NPI active?
- Yes — Andrea Chan's NPI (1154681906) is active in the NPPES registry as of the last update on 2018-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.