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: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 9, 2026, Aug 3, 2026, Mar 20, 2019 (3 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 and maintains 2 additional practice locations.

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
Fax(860) 679-6406
Sole ProprietorNo
Enumeration DateApril 17, 2006
Last NPPES UpdateOctober 9, 20263 updates tracked since enumeration
NPPES CertifiedOctober 9, 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

Secondary Practice Locations 2

Location 165 Kane StWest Hartford, CT 06119-2110 · Phone (860) 679-3540 · Fax (860) 679-6406
Location 21901 Veterans Memorial Dr # 112Temple, TX 76504-7451 · Phone (254) 743-0728 · Fax (254) 743-0128

Other Identifiers 1

Medicaid1012738830001PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignment

Medicare enrollment records show David Liang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Practice
263 FARMINGTON AVE
Farmington, CT 06030
  • Reassigned Medicare billing, Connecticut enrollment
  • 788 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Pathology (Anatomic Pathology & Clinical Pathology)
263 FARMINGTON AVE, LABORATORY HBP GROUP
FARMINGTON, CT 06030
Neurological Surgery
263 FARMINGTON AVE
FARMINGTON, CT 06030
Dentist (Endodontics)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Internal Medicine (Endocrinology, Diabetes & Metabolism)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Surgery
263 FARMINGTON AVE
FARMINGTON, CT 06030
Psychiatry & Neurology (Psychiatry)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Internal Medicine (Gastroenterology)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Student in an Organized Health Care Education/Training Program
263 FARMINGTON AVE
FARMINGTON, CT 06030

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.

Which organization bills Medicare for David Liang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Liang reassigns Medicare benefits to University Of Connecticut Health Center (Farmington, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Liang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Liang was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.