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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DAVID LIANG MD
NPI 1376507111
Ophthalmology in Farmington, CT

Active since April 17, 2006PECOS Enrolled
263 FARMINGTON AVE, FARMINGTON, CT 06030(860) 679-3540(860) 679-6406 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 3, 2026, Mar 20, 2019 (2 updates tracked since 2019).

About David Liang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID LIANG MD (NPI 1376507111) is an individual ophthalmology provider in Farmington, Connecticut, licensed in Connecticut (083977) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376507111
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDAVID LIANGCredential: MD
Location Address263 FARMINGTON AVEFarmington, CT 06030-8051
Mailing Address263 Farmington AveFarmington, CT 06030-8051 · (860) 679-3540 · Fax (860) 679-6406
Phone(860) 679-3540
Fax(860) 679-6406
Sole ProprietorNo
Enumeration DateApril 17, 2006
Last NPPES UpdateAugust 3, 20262 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1376507111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses✔ Licensed in CT · 083977✔ Licensed in TX · L3731✔ Licensed in PA · MD426415
Definition
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.
263 FARMINGTON AVE, Farmington, CT 06030
Open in Google Maps ↗

Other Identifiers 1

Medicaid1012738830001PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Liang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STATE OF CONNECTICUT HEALTH CENTER
Pathology (Anatomic Pathology & Clinical Pathology)
263 FARMINGTON AVE, LABORATORY HBP GROUP
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-7503
MR. IAN THOMAS MCNEILL
Neurological Surgery
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-8080
DR. LUIS CHAVEZ DE PAZ DDS, MS, PHD
Dentist (Endodontics)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-2719
TARUNYA REDDY VEDERE
Internal Medicine (Endocrinology, Diabetes & Metabolism)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3245
ZACHARY TALLENT SOLOMON
Surgery
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3467
MICHAEL CONNOLLY
Psychiatry & Neurology (Psychiatry)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-4733
EMILY WENG DO
Internal Medicine (Gastroenterology)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3158
ANDREW KEMERLEY DO
Student in an Organized Health Care Education/Training Program
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3467

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Liang's NPI number?

The NPI number for David Liang is 1376507111. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is David Liang located?

David Liang practices at 263 Farmington Ave, Farmington, CT 06030. The listed phone number is (860) 679-3540.

What is David Liang's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is David Liang enrolled in Medicare?

Yes. David Liang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for David Liang was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.