Corinna Tsieh, NP
NPI 1528771854 · Nurse Practitioner · San Mateo, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Corinna Tsieh, NP is a Nurse Practitioner provider in San Mateo, CA (NPI 1528771854).
Provider details
- NPI number
- 1528771854
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95022148 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
447 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 223 | $182 |
| 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'SG2211 | 183 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $131 |
Typical Medicare-allowed amounts for these services range $16–$182 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 113 | 42 |
| Apixabanbrand: Eliquis | 38 | — |
| Prednisone | 38 | 11 |
| Acyclovir | 37 | 11 |
| Letrozole | 36 | 14 |
| Ibrutinibbrand: Imbruvica | 33 | — |
| Ondansetron Hcl | 31 | 12 |
| Alendronate Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-01-02
- Last updated
- 2023-01-02
- Certified
- 2023-01-02
Frequently asked questions
- What is Corinna Tsieh's NPI number?
- Corinna Tsieh's National Provider Identifier (NPI) is 1528771854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Corinna Tsieh's specialty?
- Corinna Tsieh is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Corinna Tsieh located?
- Corinna Tsieh's practice location on file with NPPES is 218 De Anza Blvd, San Mateo, CA 94402-3913.
- What is Corinna Tsieh's phone number?
- The practice phone number listed in the NPPES registry for Corinna Tsieh is (650) 341-9131.
- Does Corinna Tsieh accept Medicare?
- Corinna Tsieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Corinna Tsieh's NPI active?
- Yes — Corinna Tsieh's NPI (1528771854) is active in the NPPES registry as of the last update on 2023-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.