Doctor profile · Federal record
Dr. Yi an, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Student in an Organized Health Care Education/Training Program · New Haven, CT
- NPI 1669714739
- Accepts Medicare
- MIPS 71.7 / 100 · 2023
- 13 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
20 York St, Yale-New Haven Hospital
New Haven, CT 065103220
(203) 688-4242
Credentials & registration
- NPI registered
- March 2013 — 13 yrs on file
- Profile last updated
- April 3, 2018
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Connecticut #59994
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669714739. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,186
Distinct HCPCS
10
Medicare allowed
$137,314
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77300 |
Calculation of radiation therapy dose | 299 | 55 | $35 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 174 | 66 | $48 | |
77334 |
Design and construction of complex radiation treatment device | 133 | 65 | $64 | |
77427 |
Radiation treatment management, 5 treatment sessions | 116 | 30 | $201 | |
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 81 | 43 | $22 | |
77263 |
Complex radiation therapy planning | 66 | 64 | $178 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 61 | 61 | $189 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 56 | 54 | $70 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 37 | 34 | $240 | |
77301 |
High precision radiation therapy planning | 35 | 34 | $448 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 66. This provider delivers 18× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
146
Patients
64
Total drug cost
$96,471
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 126 | 64 | $3,508 |
| Orgovyx (Relugolix) | Brand | 20 | 0 | $92,963 |
Frequently asked questions
What is Dr. Yi an's medical specialty?
Dr. Yi an practices Radiation Oncology Physician in New Haven, CT.
Where does Dr. Yi an practice?
Dr. Yi an practices at 20 York St, New Haven, CT 065103220. Office phone: 2036884242.
What is Dr. Yi an's NPI?
Dr. Yi an's National Provider Identifier (NPI) is 1669714739, issued by NPPES.
Does Dr. Yi an accept Medicare assignment?
Yes. Dr. Yi an accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yi an commonly perform?
Top Medicare-reported procedures in 2023: Calculation of radiation therapy dose (HCPCS 77300); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.