May Tao, MD
NPI 1144204249 · Radiation Oncology Physician · Valencia, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
May Tao, MD is a Radiation Oncology Physician provider in Valencia, CA (NPI 1144204249).
Provider details
- NPI number
- 1144204249
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G84776 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
925 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 432 | $47 |
| Calculation of Radiation Therapy Dose77300 | 111 | $34 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 89 | $203 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $69 |
| Design and Construction of Complex Radiation Treatment Device77334 | 41 | $64 |
| Complex Radiation Therapy Planning77263 | 34 | $177 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,184 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-01
- Last updated
- 2022-11-03
- Certified
- 2022-11-03
Frequently asked questions
- What is May Tao's NPI number?
- May Tao's National Provider Identifier (NPI) is 1144204249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is May Tao's specialty?
- May Tao is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is May Tao located?
- May Tao's practice location on file with NPPES is 25751 Mcbean Pkwy Ste 110, Valencia, CA 91355-3701.
- What is May Tao's phone number?
- The practice phone number listed in the NPPES registry for May Tao is (661) 839-1810.
- Does May Tao accept Medicare?
- May Tao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is May Tao's NPI active?
- Yes — May Tao's NPI (1144204249) is active in the NPPES registry as of the last update on 2022-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.