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Edit this profileAt a glance
- 20642 John Dr, Castro Valley, CA 94546
About Michelle Wong
Michelle L. Wong, PA-C is a physician assistant practicing in Castro Valley, CA. Medicare claims data shows Michelle provided 773 services to 694 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1932201977.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (510) 785-5000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
20642 JOHN DR
Castro Valley, CA 94546
Procedures Most Often Billed to Medicare
773 services · 694 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
27 | More often than most peers in Physician Assistant |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
15 | As often as other peers in Physician Assistant |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
15 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
351 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
136 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
63 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
62 | More often than most peers in Physician Assistant |
| Administration of influenza virus vaccine | Billing code | G0008 |
36 | More often than most peers in Physician Assistant |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
31 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
20 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other physician assistants in Castro Valley 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 7
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Michelle L. Wong?
Michelle L. Wong is a physician assistant in Castro Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Michelle L. Wong's address?
Michelle L. Wong is listed at 20642 John Dr, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Michelle L. Wong?
The number on file is (510) 785-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Michelle L. Wong?
Michelle L. Wong's National Provider Identifier is 1932201977. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Michelle L. Wong train?
Michelle L. Wong attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Michelle L. Wong have?
Michelle L. Wong has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Michelle L. Wong perform?
According to Medicare billing data, Michelle L. Wong provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Michelle L. Wong's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Michelle L. Wong. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.