Daniel Chan, P.A.
NPI 1871671420 · Physician Assistant · Orange, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Chan, P.A. is a Physician Assistant provider in Orange, CA (NPI 1871671420).
Provider details
- NPI number
- 1871671420
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- PA12825 (CA)
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
351 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $118 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 74 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $84 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 33 | $49 |
| Urinalysis, Manual Test81002 | 21 | $3 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 86 | 85 |
| Cefdinir | 66 | 65 |
| Amoxicillin | 62 | 62 |
| Cephalexin | 59 | 59 |
| Doxycycline Hyclate | 57 | 57 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 39 | 39 |
| Prednisone | 37 | 35 |
| Ibuprofen | 35 |
Practice location
Mailing address
Additional practice locations (1)
- 2251 N Harbor BlvdFullerton, CA 92835-2601Phone: (714) 449-6230
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-10-20
- Certified
- 2021-10-20
Frequently asked questions
- What is Daniel Chan's NPI number?
- Daniel Chan's National Provider Identifier (NPI) is 1871671420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Chan's specialty?
- Daniel Chan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Daniel Chan located?
- Daniel Chan's practice location on file with NPPES is 2501 E Chapman Ave, Orange, CA 92869-3204.
- What is Daniel Chan's phone number?
- The practice phone number listed in the NPPES registry for Daniel Chan is (714) 633-1011.
- Does Daniel Chan accept Medicare?
- Daniel Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Chan's NPI active?
- Yes — Daniel Chan's NPI (1871671420) is active in the NPPES registry as of the last update on 2021-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.