Tsaiti Chen, NP
NPI 1790091478 · Nurse Practitioner · Mountain View, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tsaiti Chen, NP is a Nurse Practitioner provider in Mountain View, CA (NPI 1790091478).
Provider details
- NPI number
- 1790091478
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NPF20120 (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
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
183 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 89 | $132 |
| Psychotherapy With Evaluation and Management Visit, 1 Hour90838 | 45 | $117 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 27 | $88 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 22 | $70 |
Typical Medicare-allowed amounts for these services range $70–$132 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 42 | 11 |
| Duloxetine Hcl | 33 | — |
| Mirtazapine | 27 | — |
| Sertraline Hcl | 20 | — |
| Bupropion Hclbrand: Bupropion Xl | 19 | — |
| Desvenlafaxine Succinatebrand: Desvenlafaxine Succinate Er | 19 | — |
Practice location
Mailing address
Additional practice locations (1)
- 3200 Kearney StFremont, CA 94538-2299Phone: (510) 490-1222
Registry dates
- Enumerated
- 2010-08-19
- Last updated
- 2020-05-28
- Certified
- 2020-05-28
Frequently asked questions
- What is Tsaiti Chen's NPI number?
- Tsaiti Chen's National Provider Identifier (NPI) is 1790091478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tsaiti Chen's specialty?
- Tsaiti Chen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tsaiti Chen located?
- Tsaiti Chen's practice location on file with NPPES is 701 E El Camino Real, Mountain View, CA 94040-2833.
- What is Tsaiti Chen's phone number?
- The practice phone number listed in the NPPES registry for Tsaiti Chen is (650) 934-7000.
- Does Tsaiti Chen accept Medicare?
- Tsaiti Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tsaiti Chen's NPI active?
- Yes — Tsaiti Chen's NPI (1790091478) is active in the NPPES registry as of the last update on 2020-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.