Sara A. Mahony, MD, PHARMD
Ophthalmology Physician · Charlton, MA
Sara A. Mahony, MD, PHARMD is an ophthalmology physician with a practice address in Charlton, Massachusetts, and NPI 1902006539, issued on Jul 22, 2007. Check the license (Massachusetts 262012, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sara A. Mahony
- Credential
- MD, PHARMD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 262012 MA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Southbridge RD, Charlton, MA 01507
- Phone
- (508) 765-9068
- Enumerated
- Jul 22, 2007
- Record last updated
- Dec 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (508) 765-0249
- Medicaid ID
- 110102920A MA
- Medicare enrollment
- Enrolled (PECOS I20150921003099); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2007
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →
Also registered at 20 Southbridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Border, MDOphthalmology Physician1396795761
- Robert Cherry, MDUrology Physician1821073982
- Lisa Kroell, DOOptician1285416750
- Arash Maleki, MDOphthalmology Physician1861150740
- Stanley Swierzewski, M.D.Urology Physician1548230717
- Jason Weber, RPTPhysical Therapist1114907110
Verify Sara A. Mahony in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 262012Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average ophthalmology physician in 2024
2,363 Medicare Part D claims for 475 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Latanoprost1,036 claims
- Timolol Maleate252 claims
- Brimonidine Tartrate194 claims
- Prednisolone Acetate181 claims
- Dorzolamide Hcl166 claims
- Dorzolamide-Timolol107 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $111.02
1 payment: food and beverage; the largest payer was RxSight Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Umass Memorial Medical Group IncSouthbridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara A. Mahony among 791 ophthalmology physician records in Massachusetts
Sara A. Mahony, MD, PHARMD is one of 791 ophthalmology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 40% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2007 · median 2002 among the 518 with a school on file
- Record last updated2016 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 ophthalmology physician records list a practice address in Charlton
They are 3 of the 149 NPPES records with a practice address in Charlton, and 791 ophthalmology physician records in Massachusetts.
All 791 in Massachusetts → Every provider in Charlton → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Michael Border, MDCharlton, MA 015071396795761
- Arash Maleki, MDCharlton, MA 015071861150740
- Bruce Kolbe, M.D.Fiskdale, MA 015181700076841
- Amrik Pabley, M.D.Holden, MA 015201467435404
- Joann Chang, M.D.Lancaster, MA 015231730359100
- Francis D'Ambrosio, M.D.Lancaster, MA 015231497789754
- Isaiah Giese, M.D.Lancaster, MA 015231235544933
- Derek Metcalfe, MDLancaster, MA 015231285211979
Common questions
What is Sara A. Mahony, MD, PHARMD's NPI number?
Sara A. Mahony, MD, PHARMD's National Provider Identifier (NPI) is 1902006539, issued on Jul 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sara A. Mahony, MD, PHARMD located?
The NPPES record lists a practice address at 20 Southbridge RD, Charlton, MA, 01507. Phone: (508) 765-9068. Providers update this record themselves, so call before visiting.
How can I verify Sara A. Mahony, MD, PHARMD's license?
NPPES lists Massachusetts license number 262012, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sara A. Mahony, MD, PHARMD prescribe under Medicare Part D?
In 2024, Sara A. Mahony, MD, PHARMD had 2,363 Medicare Part D claims for 475 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Sara A. Mahony, MD, PHARMD's MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.