Debbie Chan, MPA
NPI 1891084117 · Physician Assistant · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Debbie Chan, MPA is a Physician Assistant provider in Walnut Creek, CA (NPI 1891084117).
Provider details
- NPI number
- 1891084117
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MPA
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA21538 (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 tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
691 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 468 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 105 | $182 |
| Programming of Dual Lead Pacemaker System93280 | 45 | $85 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 26 | $16 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System93288 | 22 | $62 |
| Telephone Medical Discussion With Physician, 21-30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 271 | 128 |
| Atorvastatin Calcium | 244 | 133 |
| Metoprolol Succinate | 242 | 136 |
| Rosuvastatin Calcium | 168 | 97 |
| Carvedilol | 138 | 67 |
| Amlodipine Besylate | 137 | 73 |
| Furosemide | 127 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,251 across 98 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
Additional practice locations (1)
- 365 Hawthorne Ave#201Oakland, CA 94609-3107Phone: (510) 273-8332
Registry dates
- Enumerated
- 2011-04-07
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is Debbie Chan's NPI number?
- Debbie Chan's National Provider Identifier (NPI) is 1891084117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Debbie Chan's specialty?
- Debbie Chan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Debbie Chan located?
- Debbie Chan's practice location on file with NPPES is 1450 Treat Blvd Ste 220, Walnut Creek, CA 94597-2168.
- What is Debbie Chan's phone number?
- The practice phone number listed in the NPPES registry for Debbie Chan is (925) 937-1770.
- Does Debbie Chan accept Medicare?
- Debbie Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Debbie Chan's NPI active?
- Yes — Debbie Chan's NPI (1891084117) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.