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Active NPI 1437157765 Individual Practitioner Male Practitioner

Dr. John B Constantine , MD

Ophthalmology • Chelmsford, MA

Professional Overview & Biography Verified Profile Summary

Dr. John Constantine, MD is a registered healthcare professional specializing in Ophthalmology in Chelmsford, MA. Practice services are available at 19 VILLAGE SQ under active NPI credentials.

Frequently performed procedures and clinical services include established patient complete exam of visual system, established patient problem focused exam of visual system, imaging of optic nerve. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

19 Village Sq

Chelmsford, MA 018242712

Telephone 9782565600
Fax 9787030250
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Chelmsford, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 20.8 Yrs
State Avg: 30.8 Yrs
Regional Practice Density
10 Specialists

Practicing in Chelmsford, MA (841 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
64.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92014 Established patient complete exam of visual system
534 531 $215.00 $143.02
92012 Established patient problem focused exam of visual system
453 365 $150.00 $99.21
92133 Imaging of optic nerve
134 133 $210.00 $42.11
92083 Exam of visual field with extended testing
129 126 $160.00 $73.16
92004 New patient complete exam of visual system
60 60 $255.00 $168.80
92250 Photography of the retina
51 51 $125.00 $58.45
92134 Imaging of retina
39 38 $210.00 $46.58
92002 New patient problem focused exam of visual system
34 34 $160.00 $95.77
99213 Established patient office or other outpatient visit, typically 15 minutes
27 26 $150.00 $83.26
66821 Removal of recurring cataract in lens capsule using a laser
12 12 $1534.00 $347.64
76514 Ultrasound scan of cornea to determine thickness
11 11 $100.00 $13.45

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MA 71751

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Specialist

NUCC Taxonomy Code: 174400000X

State License MA 71751

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
2024535 (MA)
Commercial Insurance / Payer ID Phcs
158296 (MA)
Commercial Insurance / Payer ID Health Source
21480 (MA)
Commercial Insurance / Payer ID Davis Vision
7494 (MA)
Commercial Insurance / Payer ID Neighborhood Health Plan
0004859 (MA)
Commercial Insurance / Payer ID Harvard Pilgrim Health
15288 (MA)
Commercial Insurance / Payer ID John Hancock/childern
32774 (MA)
Commercial Insurance / Payer ID Net Work Health
981909 (MA)
Commercial Insurance / Payer ID Rail Road Medicare
180007 (MA)
Commercial Insurance / Payer ID Ever Care
0800093 (MA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

13 Associated Practitioners
Dr. David Yi , MD

Ophthalmology

NPI 1003808197

Doctor of Medicine (M.D.)

NPI 1154313245

Doctor of Medicine (M.D.)

NPI 1225020316

Doctor of Medicine (M.D.)

NPI 1265676928

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

NPI 1285808642

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

NPI 1366434441

Doctor of Optometry

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active September 29, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location September 29, 2011

Registered at 19 VILLAGE SQ, CHELMSFORD, MA 018242712 (Tel: 9782565600)

📍
Updated Business Mailing Address September 29, 2011

Registered at 19 VILLAGE SQ, CHELMSFORD, MA 018242712 (Tel: 9782565600)

👤
Provider Name / Credentials Updated September 29, 2011

Recorded as JOHN CONSTANTINE, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 29, 2011

Specialist (License #71751 in MA)

🟢
Initial NPI Registration & Enumeration July 11, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1437157765
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 11, 2005
Last Update: September 29, 2011
Sole Proprietor: No

Mailing Address

19 Village Sq

Chelmsford, MA 018242712

Phone: 9782565600

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.