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Edit this profileWhere to find Clarissa S. Chan, PA-C
- San Jose location main office
685 Coleman Ave Ste 20, San Jose, CA 95110 - Sunnyvale location
889 Pippin Dr, Sunnyvale, CA 94087 - San Diego location
200 W Arbor Dr, San Diego, CA 92103
About Clarissa Chan
Clarissa S. Chan, PA-C is a physician assistant based in San Jose, CA. According to Medicare claims data, Clarissa cared for 50 Medicare patients across 62 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. The provider's National Provider Identifier (NPI) is 1356876064.
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
- (408) 217-6404
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
685 COLEMAN AVE STE 20
San Jose, CA 95110
889 Pippin Dr
Sunnyvale, CA 94087
200 W Arbor Dr
San Diego, CA 92103
Procedures Most Often Billed to Medicare
62 services · 50 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
11 | Less 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 |
51 | 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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 32 related providers in 4 groups
Other physician assistants in San Jose 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Clarissa S. Chan specialize in?
Clarissa S. Chan is a physician assistant in San Jose, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Clarissa S. Chan located?
Clarissa S. Chan is listed at 685 Coleman Ave Ste 20, San Jose, CA 95110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Clarissa S. Chan's phone number?
The number on file is (408) 217-6404. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Clarissa S. Chan's NPI number?
Clarissa S. Chan's National Provider Identifier is 1356876064. 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 Clarissa S. Chan train?
Clarissa S. Chan attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Clarissa S. Chan been practicing?
Clarissa S. Chan has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Clarissa S. Chan do most often?
According to Medicare billing data, Clarissa S. Chan provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Clarissa S. Chan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Clarissa S. Chan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.