DR. CECILY ELAINE HAMILL (MD, PHD) – Ophthalmology Physician, NPI 1265676928

DR. CECILY ELAINE HAMILL (MD, PHD) is a healthcare provider. based in Chelmsford, Massachusetts. specializing in OPHTHALMOLOGY. They hold the professional credentials MD, PHD. They hold a License No. 251832 (MA). The NPI Number for DR. CECILY ELAINE HAMILL (MD, PHD) is 1265676928

Main info

Female
18 Years Of Experience
Accepts Medicare Assignment
Name
DR. CECILY ELAINE HAMILL (MD, PHD)
NPI
1265676928
Phone
(978) 256-5600
Address
19 VILLAGE SQ
Enumeration Date
25 April 2009
Last Update Date
6 July 2018

Doctor Profile

Medical School Name
EMORY UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
9782565600
Graduation Year
2008 (18 years ago)
PAC ID
2961651245
Group Practice PAC ID
3476512625
Professional Enrollment ID
I20121002000050
Address ID
MA018242712CH19XXXSQXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness75
Years active:17State licenses:1Digital endpointsOther names

801 OPHTHALMOLOGY in MA

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Provider Addresses for DR. CECILY ELAINE HAMILL (MD, PHD)

  • 13;15;17;19;21;23, Village Square, Chelmsford, Middlesex County, Massachusetts, 01824, United States

    CHELMSFORD, MA 018242712

    Phone: (978) 256-5600

    Fax: (978) 703-0250

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $65.

Total Amount is formed as General ($65) + Research ($0) + Ownership ($0) = $65.

Last reported payment date: 2023-10-25 • Largest payer in this snapshot: Alcon Vision LLC ($25).

Total Amount

$65

General + Research + Ownership

Payments

3

Total payment records

General Amount

$65

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-25

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2012-10-02

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20121002000050IOphthalmologyMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92014Established patient complete exam of visual system639636$0
99213Established patient office or other outpatient visit, 20-29 minutes539360$0
92133Imaging of optic nerve205198$0
92083Exam of visual field with extended testing205197$0
92136Measurement of corneal curvature and depth of eye154112$0
View full utilization report →

Insurance plans in this area (ZIP 01824)

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Provider's Procedures

DR. CECILY ELAINE HAMILL (MD, PHD) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYMA92083Measurement of field of vision during daylight conditions6457
OPHTHALMOLOGYMA92134Diagnostic imaging of retina2020

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3476512625View full group profile
NameSpecialtyState
O P H T H A L M O L O G YMA
-MA
O P H T H A L M O L O G YMA
O P T O M E T R YMA
O P H T H A L M O L O G YMA
O P T O M E T R YMA
O P T O M E T R YMA
O P T O M E T R YMA
-MA
O P T O M E T R YMA

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Frequently asked questions

What NPI should I save for DR. CECILY ELAINE HAMILL (MD, PHD)?
Save NPI 1265676928 if you need a stable reference for DR. CECILY ELAINE HAMILL (MD, PHD).
Is DR. CECILY ELAINE HAMILL (MD, PHD) active in the national directory?
DR. CECILY ELAINE HAMILL (MD, PHD)'s public NPI profile is in an active state.
What does DR. CECILY ELAINE HAMILL (MD, PHD) treat or focus on?
Patients typically see DR. CECILY ELAINE HAMILL (MD, PHD) under the specialty Ophthalmology Physician. Clinical services aligned with this taxonomy classification.
Does DR. CECILY ELAINE HAMILL (MD, PHD) practice in Massachusetts?
You will see Chelmsford, Massachusetts on file for DR. CECILY ELAINE HAMILL (MD, PHD) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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