Provider Profile
Corinna Tsieh, NP is a nurse practitioner practicing in San Mateo, CA. According to Medicare claims data, Corinna cared for 236 Medicare patients across 447 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, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1528771854.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
218 DE ANZA BLVD
San Mateo, CA 94402
447 services · 236 patients · 3 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 |
223 | More than most peers in Nurse Practitioner |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
183 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
41 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Corinna Tsieh is a nurse practitioner in San Mateo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Corinna Tsieh is listed at 218 de Anza Blvd, San Mateo, CA 94402. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 341-9131. Contact the office directly to confirm availability and scheduling.
NPI registry
Corinna Tsieh's National Provider Identifier is 1528771854. 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
Corinna Tsieh attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Corinna Tsieh has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Corinna Tsieh 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
Not yet. This profile is built from public federal data and has not been confirmed by Corinna Tsieh. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.