Adrienne Chan, PA-C
NPI 1699134098 · Physician Assistant · Hacienda Heights, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adrienne Chan, PA-C is a Physician Assistant provider in Hacienda Heights, CA (NPI 1699134098).
Provider details
- NPI number
- 1699134098
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 101049 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Pharmacy Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
16 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 16 | $84 |
Typical Medicare-allowed amounts for these services range $84–$84 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 52 | 15 |
| Atorvastatin Calcium | 45 | 21 |
| Losartan Potassium | 38 | 15 |
| Levothyroxine Sodium | 26 | 13 |
| Metformin Hcl | 19 | 11 |
| Famotidine | 17 | — |
| Lisinopril | 16 |
Practice location
Mailing address
Additional practice locations (2)
- 330 S Garfield Ave Ste 116Alhambra, CA 91801-3893Phone: (626) 284-3400Fax: (626) 284-3434
- 207 S Santa Anita St Ste 335San Gabriel, CA 91776-1160Phone: (760) 941-4444Fax: (760) 941-8902
Registry dates
- Enumerated
- 2016-02-15
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is Adrienne Chan's NPI number?
- Adrienne Chan's National Provider Identifier (NPI) is 1699134098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adrienne Chan's specialty?
- Adrienne Chan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Adrienne Chan located?
- Adrienne Chan's practice location on file with NPPES is 1850 S Azusa Ave Ste 206, Hacienda Heights, CA 91745-6853.
- What is Adrienne Chan's phone number?
- The practice phone number listed in the NPPES registry for Adrienne Chan is (626) 810-5450.
- Does Adrienne Chan accept Medicare?
- Adrienne Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adrienne Chan's NPI active?
- Yes — Adrienne Chan's NPI (1699134098) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.