Michelle Wong, PA-C
NPI 1932201977 · Physician Assistant · Castro Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Wong, PA-C is a Physician Assistant provider in Castro Valley, CA (NPI 1932201977).
Provider details
- NPI number
- 1932201977
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA15658 (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
19 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
731 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 351 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $130 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 63 | $113 |
| Automated Urinalysis Test81003 | 62 | $2 |
| Administration of Influenza Virus VaccineG0008 | 36 | $38 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 44 | 40 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 38 | 37 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 36 | 36 |
| Doxycycline Hyclate | 35 | 34 |
| Cephalexin | 35 | 35 |
| Prednisone | 30 | 29 |
| Nitrofurantoin Monohyd/M-Cryst |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 1 record (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
- 2006-09-01
- Last updated
- 2023-08-02
- Certified
- 2023-08-02
Frequently asked questions
- What is Michelle Wong's NPI number?
- Michelle Wong's National Provider Identifier (NPI) is 1932201977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Wong's specialty?
- Michelle Wong is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle Wong located?
- Michelle Wong's practice location on file with NPPES is 20642 John Dr, Castro Valley, CA 94546-5103.
- What is Michelle Wong's phone number?
- The practice phone number listed in the NPPES registry for Michelle Wong is (510) 785-5000.
- Does Michelle Wong accept Medicare?
- Michelle Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Wong's NPI active?
- Yes — Michelle Wong's NPI (1932201977) is active in the NPPES registry as of the last update on 2023-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.