Christine Tsang, N.P.
NPI 1235332370 · Nurse Practitioner · Orinda, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Tsang, N.P. is a Nurse Practitioner provider in Orinda, CA (NPI 1235332370).
Provider details
- NPI number
- 1235332370
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14706 (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
19 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
210 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 | 128 | $130 |
| 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 | 38 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 31 | $132 |
| Admn Sarscov2 Vacc 1 Dose90480 | 13 | $52 |
Typical Medicare-allowed amounts for these services range $16–$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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 77 | 23 |
| Amlodipine Besylate | 76 | 25 |
| Metoprolol Succinate | 49 | 12 |
| Lisinopril | 48 | 13 |
| Losartan Potassium | 42 | 15 |
| Simvastatin | 38 | — |
| Levothyroxine Sodium | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-06
- Last updated
- 2026-02-12
Frequently asked questions
- What is Christine Tsang's NPI number?
- Christine Tsang's National Provider Identifier (NPI) is 1235332370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Tsang's specialty?
- Christine Tsang is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christine Tsang located?
- Christine Tsang's practice location on file with NPPES is 12 Camino Encinas, Orinda, CA 94563-3304.
- What is Christine Tsang's phone number?
- The practice phone number listed in the NPPES registry for Christine Tsang is (510) 204-8171.
- Does Christine Tsang accept Medicare?
- Christine Tsang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Tsang's NPI active?
- Yes — Christine Tsang's NPI (1235332370) is active in the NPPES registry as of the last update on 2026-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.