Alyssa Tsai, M.D.
NPI 1477900181 · Anesthesiology Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Tsai, M.D. is a Anesthesiology Physician provider in Round Rock, TX (NPI 1477900181).
Provider details
- NPI number
- 1477900181
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- S6759 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
12 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) |
|---|---|---|
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 12 | $121 |
Typical Medicare-allowed amounts for these services range $121–$121 (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.
Practice location
Mailing address
Additional practice locations (1)
- 3401 S 31st StMs-20-D304Temple, TX 76502-1902Phone: (254) 724-5306
Registry dates
- Enumerated
- 2016-05-23
- Last updated
- 2024-11-06
- Certified
- 2024-11-06
Frequently asked questions
- What is Alyssa Tsai's NPI number?
- Alyssa Tsai's National Provider Identifier (NPI) is 1477900181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Tsai's specialty?
- Alyssa Tsai is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alyssa Tsai located?
- Alyssa Tsai's practice location on file with NPPES is 300 University Blvd, Round Rock, TX 78665-1032.
- What is Alyssa Tsai's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Tsai is (512) 509-0100.
- Does Alyssa Tsai accept Medicare?
- Alyssa Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Tsai's NPI active?
- Yes — Alyssa Tsai's NPI (1477900181) is active in the NPPES registry as of the last update on 2024-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.