Stephen Shiao, MD
NPI 1295902112 · Radiation Oncology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Shiao, MD is a Radiation Oncology Physician provider in New Haven, CT (NPI 1295902112).
Provider details
- NPI number
- 1295902112
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A108146 (CA)
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
18 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
476 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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 157 | $35 |
| Design and Construction of Complex Radiation Treatment Device77334 | 109 | $65 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 66 | $48 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 35 | $207 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 3 Or More Treatment Areas Or Any Number of Treatment Areas Where Special Treatment Is Involved77290 | 22 | $89 |
| Complex Radiation Therapy Planning77263 | 20 | $181 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-09
- Last updated
- 2016-01-21
Frequently asked questions
- What is Stephen Shiao's NPI number?
- Stephen Shiao's National Provider Identifier (NPI) is 1295902112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Shiao's specialty?
- Stephen Shiao is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Shiao located?
- Stephen Shiao's practice location on file with NPPES is 20 York Street T-209, New Haven, CT 06510-3220.
- What is Stephen Shiao's phone number?
- The practice phone number listed in the NPPES registry for Stephen Shiao is (203) 688-2259.
- Does Stephen Shiao accept Medicare?
- Stephen Shiao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Shiao's NPI active?
- Yes — Stephen Shiao's NPI (1295902112) is active in the NPPES registry as of the last update on 2016-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.