Doris Chan, NP
NPI 1063691004 · Nurse Practitioner · San Gabriel, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Doris Chan, NP is a Nurse Practitioner provider in San Gabriel, CA (NPI 1063691004).
Provider details
- NPI number
- 1063691004
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- SP009029 (PA)
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 tenure25% of score
18 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
485 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 219 | $104 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 112 | $152 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 91 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 35 | $69 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $84 |
Typical Medicare-allowed amounts for these services range $69–$152 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 71 | 53 |
| Apixabanbrand: Eliquis | 40 | 23 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 29 | 18 |
| Amlodipine Besylate | 28 | 20 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 26 | 18 |
| Atorvastatin Calcium | 22 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,215 across 11 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
- 2007-10-26
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Doris Chan's NPI number?
- Doris Chan's National Provider Identifier (NPI) is 1063691004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doris Chan's specialty?
- Doris Chan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Doris Chan located?
- Doris Chan's practice location on file with NPPES is 506 W Valley Blvd Ste 100, San Gabriel, CA 91776-5716.
- What is Doris Chan's phone number?
- The practice phone number listed in the NPPES registry for Doris Chan is (626) 308-3800.
- Does Doris Chan accept Medicare?
- Doris Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Doris Chan's NPI active?
- Yes — Doris Chan's NPI (1063691004) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.