Provider Profile
Vivian Diep
Unclaimed ProfileAbout Vivian Diep
Vivian Diep is a physician assistant based in San Jose, CA. According to Medicare claims data, Vivian cared for 133 Medicare patients across 141 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1487167912.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (408) 223-7000
- Email not available
Practice Locations
2690 S WHITE RD STE 50
San Jose, CA 95148
751 S Bascom Ave
San Jose, CA 95128
Procedures Most Often Billed to Medicare
141 services · 133 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
62 | More often than most peers in Physician Assistant |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
48 | More often 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 |
19 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
12 | 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 8 related providers in 1 group
Common questions
What does Vivian Diep specialize in?
Vivian Diep is a physician assistant in San Jose, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Vivian Diep located?
Vivian Diep is listed at 2690 S White Rd Ste 50, San Jose, CA 95148. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Vivian Diep's phone number?
The number on file is (408) 223-7000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Vivian Diep's NPI number?
Vivian Diep's National Provider Identifier is 1487167912. 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
How long has Vivian Diep been practicing?
Vivian Diep has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Vivian Diep do most often?
According to Medicare billing data, Vivian Diep 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
Has Vivian Diep confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Vivian Diep. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.