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Edit this profileWhere to find Christina Phan, PA
- Castro Valley location main office
20642 John Dr, Castro Valley, CA 94546 - Milpitas location
1001 S Main St Apt M309, Milpitas, CA 95035
About Christina Phan
Listed in the NPI registry as a physician assistant, Christina Phan, PA practices in Castro Valley, CA. Medicare claims data shows Christina provided 512 services to 493 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, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza. NPI 1831668987 identifies this record in the national registry.
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
- (888) 924-1036
- Email not available
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Practice Locations
20642 JOHN DR
Castro Valley, CA 94546
1001 S Main St Apt M309
Milpitas, CA 95035
Procedures Most Often Billed to Medicare
512 services · 493 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
264 | 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 |
104 | More than most peers in Physician Assistant |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
45 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
35 | More often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
18 | As often as other 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 |
16 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
16 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
14 | Less often than most 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 — 22 related providers in 3 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 2018 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Christina Phan's specialty?
Christina Phan is a physician assistant in Castro Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Christina Phan?
Christina Phan 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 do I contact Christina Phan?
The number on file is (888) 924-1036. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christina Phan?
Christina Phan's National Provider Identifier is 1831668987. 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
What is Christina Phan's education?
Christina Phan attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Christina Phan have?
Christina Phan has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Christina Phan known for?
According to Medicare billing data, Christina Phan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Christina Phan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christina Phan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.