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LILLY PHAN
NPI 1003619966
Optometrist in Hadley, MA

Active since March 28, 2025PECOS Enrolled

NPPES record last updated: August 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 17, 2025, Mar 28, 2025 (2 updates tracked since 2025).

About Lilly Phan NPPES

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

LILLY PHAN (NPI 1003619966) is an individual optometrist in Hadley, Massachusetts, licensed in Texas (11370TG) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1003619966
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameLILLY PHAN
Location Address6 ISABEL CTHadley, MA 01035-3529
Mailing Address2002 Holcombe BlvdHouston, TX 77030-4211 · (774) 448-9237
Phone(774) 448-9237
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMarch 28, 2025
Last NPPES UpdateAugust 17, 20252 updates tracked since enumeration
NPPES CertifiedAugust 17, 2025
✔ NPI 1003619966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in TX · 11370TG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
6 ISABEL CT, Hadley, MA 01035
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lilly Phan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7618437260
PECOS Enrollment IDI20260903000388
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 Lilly Phan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New England Eyeworks LLC
44 mi
Optometrist
166 WEST ST
Keene, NH 03431
  • Reassigned Medicare billing, New Hampshire enrollment
  • 4 clinicians in this Medicare group
NPI 1134327836 (603) 352-7803

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 01035 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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.

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 Lilly Phan's NPI number?

The NPI number for Lilly Phan is 1003619966. It was assigned to this individual provider in the NPPES registry on March 28, 2025.

Where is Lilly Phan located?

Lilly Phan practices at 6 Isabel Ct, Hadley, MA 01035. The listed phone number is (774) 448-9237.

What is Lilly Phan's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Lilly Phan enrolled in Medicare?

Yes. Lilly Phan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lilly Phan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lilly Phan reassigns Medicare benefits to New England Eyeworks LLC (Keene, NH). 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 Lilly Phan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lilly Phan accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 9 other insurers list Lilly Phan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lilly Phan was last updated on August 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.