Cecily Hamill, MD, PHD
NPI 1265676928 · Ophthalmology Physician · Chelmsford, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cecily Hamill, MD, PHD is a Ophthalmology Physician provider in Chelmsford, MA (NPI 1265676928).
Provider details
- NPI number
- 1265676928
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 251832 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,408 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 633 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 585 | $99 |
| Imaging of Optic Nerve92133 | 252 | $39 |
| Exam of Visual Field With Extended Testing92083 | 232 | $71 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 168 | $44 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 142 | $139 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 575 | 183 |
| Prednisolone Acetate | 432 | 268 |
| Ofloxacin | 331 | 205 |
| Ketorolac Tromethamine | 310 | 191 |
| Timolol Maleate | 167 | 53 |
| Brimonidine Tartrate | 84 | 30 |
| Dorzolamide Hcl | 84 | 28 |
| Cyclosporinebrand: Restasis | 77 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-25
- Last updated
- 2018-07-06
Frequently asked questions
- What is Cecily Hamill's NPI number?
- Cecily Hamill's National Provider Identifier (NPI) is 1265676928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cecily Hamill's specialty?
- Cecily Hamill is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Cecily Hamill located?
- Cecily Hamill's practice location on file with NPPES is 19 Village Sq, Chelmsford, MA 01824.
- What is Cecily Hamill's phone number?
- The practice phone number listed in the NPPES registry for Cecily Hamill is (978) 256-5600.
- Does Cecily Hamill accept Medicare?
- Cecily Hamill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cecily Hamill's NPI active?
- Yes — Cecily Hamill's NPI (1265676928) is active in the NPPES registry as of the last update on 2018-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.