Doctor profile · Federal record

Dr. William Probasco, M.D., M.S.

Orthopaedic Foot and Ankle Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Foot and Ankle Surgery Physician · Fairfield, CT

  • NPI 1336503382
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
305 Black Rock Tpke
Fairfield, CT 068255508
(203) 337-2600
fax (203) 337-2611
Additional location
301 Saint Paul St
Baltimore, MD 212022102
(410) 659-2800
fax (410) 659-2999

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
October 3, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207XX0004X — NUCC code
State licenses (2)
Connecticut #69667 · Maryland #D91392

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336503382. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
588
Distinct HCPCS
9
Medicare allowed
$79,974
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 213 140 $95
73610 X-ray of ankle, minimum of 3 views 137 85 $38
73630 X-ray of foot, minimum of 3 views 134 101 $37
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $119
73502 X-ray of hip, 2-3 views 20 13 $37
27245 Treatment of broken neck of thigh bone with bone implant 19 19 $1,301
99214 Established patient office or other outpatient visit, 30-39 minutes 18 16 $135
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 15 15 $1,266
76000 Imaging guidance for procedure, 60 minutes or less 11 11 $16

In context: peer comparison

Among 1 peers in Fairfield Orthopaedic Foot and Ankle Surgery Physician, average services per provider: 65. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,688
Transactions
20
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Arthrex, INC. 14 $1,063.70
Polaris Technology Solutions LLC 1 $502.95
Stryker Corporation 1 $37.22
Davol INC. 1 $31.97
Paragon 28, INC. 1 $21.97
Bioventus LLC 1 $18.57
Kerecis Limited 1 $11.97

By nature of payment

Travel and Lodging
$1,358
Food and Beverage
$331

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
42
Total drug cost
$337
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 23 20 $142
Ondansetron Odt (Ondansetron) Brand 22 22 $195

Frequently asked questions

Auto-generated from federal data
What is Dr. William Probasco's medical specialty?
Dr. William Probasco practices Orthopaedic Foot and Ankle Surgery Physician in Fairfield, CT.
Where does Dr. William Probasco practice?
Dr. William Probasco practices at 305 Black Rock Tpke, Fairfield, CT 068255508. Office phone: 2033372600.
What is Dr. William Probasco's NPI?
Dr. William Probasco's National Provider Identifier (NPI) is 1336503382, issued by NPPES.
Does Dr. William Probasco accept Medicare assignment?
Yes. Dr. William Probasco accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Probasco commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of ankle, minimum of 3 views (HCPCS 73610); X-ray of foot, minimum of 3 views (HCPCS 73630). Source: CMS Medicare Physician & Other Practitioners file.