Sara Mahony, MD, PHARMD
NPI 1902006539 · Ophthalmology Physician · Charlton, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara Mahony, MD, PHARMD is a Ophthalmology Physician provider in Charlton, MA (NPI 1902006539).
Provider details
- NPI number
- 1902006539
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHARMD
- Sex
- Female
- Sole proprietor
- No
- License
- 262012 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,847 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Exam of the Internal Drainage System of Eye92020 | 455 | $28 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 339 | $132 |
| Exam of Visual Field With Extended Testing92083 | 307 | $44 |
| Imaging of Optic Nerve92133 | 258 | $29 |
| Imaging of Retina92134 | 129 | $31 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 121 | $94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,036 | 259 |
| Timolol Maleate | 252 | 81 |
| Brimonidine Tartrate | 194 | 48 |
| Prednisolone Acetate | 181 | 130 |
| Dorzolamide Hcl | 166 | 45 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 107 | 34 |
| Brinzolamide | 89 | 24 |
| Bimatoprostbrand: Lumigan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-22
- Last updated
- 2016-12-13
Frequently asked questions
- What is Sara Mahony's NPI number?
- Sara Mahony's National Provider Identifier (NPI) is 1902006539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara Mahony's specialty?
- Sara Mahony is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Sara Mahony located?
- Sara Mahony's practice location on file with NPPES is 20 Southbridge Rd, Charlton, MA 01507-5235.
- What is Sara Mahony's phone number?
- The practice phone number listed in the NPPES registry for Sara Mahony is (508) 765-9068.
- Does Sara Mahony accept Medicare?
- Sara Mahony is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara Mahony's NPI active?
- Yes — Sara Mahony's NPI (1902006539) is active in the NPPES registry as of the last update on 2016-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.