Doctor profile · Federal record
Dr. Stephen Mihalcik, M.D., PH.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Boston, MA
- NPI 1598031205
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-6310 - Additional location
-
100 Blossom St
Boston, MA 021142606
(617) 724-1548 - Additional location
-
131 Old Road to 9 Acre Cor
Concord, MA 017424181
(978) 287-3436 - Additional location
-
55 Fruit St
Boston, MA 021142696
(617) 726-7646 - Mailing address
-
55 Fruit St
Boston, MA 021142696
Show 1 more location
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Profile last updated
- November 24, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Massachusetts #261508 · Illinois #036142451
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598031205. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,641
Distinct HCPCS
10
Medicare allowed
$117,378
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 949 | 210 | $22 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 151 | 136 | $95 | |
77427 |
Radiation treatment management, 5 treatment sessions | 120 | 62 | $203 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 66 | 53 | $134 | |
77300 |
Calculation of radiation therapy dose | 61 | 28 | $35 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 48 | 40 | $189 | |
77334 |
Design and construction of complex radiation treatment device | 42 | 21 | $63 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 39 | 39 | $233 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 36 | 33 | $46 | |
77263 |
Complex radiation therapy planning | 29 | 29 | $179 |
In context: peer comparison
Among 61 peers in this city , average services per provider: 91. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$290
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| IBA Proton Therapy, Inc. | 1 | $273.00 | |
| Mevion_Medical_Systems_Inc | 1 | $16.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
74
Patients
22
Total drug cost
$3,735
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 57 | 22 | $1,654 |
| Pilocarpine Hcl | Generic | 17 | 0 | $2,081 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Mihalcik's medical specialty?
Dr. Stephen Mihalcik practices Radiation Oncology Physician in Boston, MA.
Where does Dr. Stephen Mihalcik practice?
Dr. Stephen Mihalcik practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177326310.
What is Dr. Stephen Mihalcik's NPI?
Dr. Stephen Mihalcik's National Provider Identifier (NPI) is 1598031205, issued by NPPES.
Does Dr. Stephen Mihalcik accept Medicare assignment?
Yes. Dr. Stephen Mihalcik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Mihalcik commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Established patient office or other outpatient visit (HCPCS 99213); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.