Doctor profile · Federal record

Dr. Sara Mahony, MD, PHARMD

Ophthalmology Physician (CMS: Ophthalmology) · Charlton, MA

  • NPI 1902006539
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 Southbridge RD
Charlton, MA 015075235
(508) 765-9068
fax (508) 765-0249
Mailing address
Po Box 40
Southbridge, MA 015500040

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
December 13, 2016
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Massachusetts #262012
Medicaid
MA #110102920A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902006539. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,109
Distinct HCPCS
10
Medicare allowed
$200,530
HCPCS Description Services Patients Avg allowed
92020 Exam of the internal drainage system of eye 485 419 $28
92133 Imaging of optic nerve 335 300 $34
92014 Established patient complete exam of visual system 255 255 $131
92134 Imaging of retina 167 153 $37
92083 Exam of visual field with extended testing 165 148 $53
76514 Ultrasound scan of cornea to determine thickness 142 142 $10
66821 Removal of recurring cataract in lens capsule using a laser 137 109 $349
99214 Established patient office or other outpatient visit, 30-39 minutes 86 82 $131
92012 Established patient problem focused exam of visual system 82 78 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 66 58 $92

In context: peer comparison

Among 1 peers in Charlton Ophthalmology Physician, average services per provider: 124. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$111
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
RxSight INC 1 $111.02

By nature of payment

Food and Beverage
$111

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,001
Patients
709
Total drug cost
$186,572
Drug Type Claims Patients Total cost
Latanoprost Generic 898 253 $20,996
Prednisolone Acetate Generic 299 237 $10,192
Timolol Maleate Generic 210 78 $4,168
Brimonidine Tartrate Generic 123 38 $13,202
Dorzolamide Hcl Generic 121 43 $4,255
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 97 25 $3,166
Brinzolamide Generic 62 17 $22,051
Lumigan (Bimatoprost) Brand 49 18 $31,309
Erythromycin (Erythromycin Base) Brand 25 0 $436
Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) Brand 21 0 $7,522

Frequently asked questions

Auto-generated from federal data
What is Dr. Sara Mahony's medical specialty?
Dr. Sara Mahony practices Ophthalmology Physician in Charlton, MA.
Where does Dr. Sara Mahony practice?
Dr. Sara Mahony practices at 20 Southbridge RD, Charlton, MA 015075235. Office phone: 5087659068.
What is Dr. Sara Mahony's NPI?
Dr. Sara Mahony's National Provider Identifier (NPI) is 1902006539, issued by NPPES.
Does Dr. Sara Mahony accept Medicare assignment?
Yes. Dr. Sara Mahony accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sara Mahony commonly perform?
Top Medicare-reported procedures in 2023: Exam of the internal drainage system of eye (HCPCS 92020); Imaging of optic nerve (HCPCS 92133); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.