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Ophthalmology

Allen Y. Hu, MD

Sees patients in Hagerstown, MD · Martinsburg, WV · Chambersburg, PA … · Maryland, West Virginia, Pennsylvania

Summary

Dr. Allen Y. Hu, MD is an ophthalmologist at 1800 Dual Hwy, Suite 201, Hagerstown, MD 21740. Phone: (301) 665-1712. Accepts Medicare assignment. In 2024, Allen Y. Hu had 1,767 Original Medicare patients and 4,634,435 services. NPI 1235315268. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1800 Dual Hwy, Suite 201, Hagerstown, MD 21740 · Directions (4 more locations)
  • Phone: (301) 665‑1712
  • Medicare: Accepts Medicare assignment
  • Group practice: Cumberland Valley Retina Consultants PC
  • Medical school: Stanford University School Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Allen Y. Hu, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Allen Y. Hu accept Medicare assignment?
Yes. Medicare's clinician data says Allen Y. Hu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Allen Y. Hu see?
In 2024, CMS data shows 1,767 Original Medicare patients and 4,634,435 services for Allen Y. Hu. This counts Original Medicare only and measures volume, not quality.
What is Allen Y. Hu's NPI number?
1235315268. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Allen Y. Hu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,767
Services billed to Medicare4,634,435
Different services or procedures53
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Chloroprocaine hcl ophthalmic, 3% gel, 1 mg (J2403)4,461,619 services
  2. Injection, faricimab-svoa, 0.1 mg (J2777)69,780 services
  3. Injection, pegcetacoplan, intravitreal, 1 mg (J2781)52,937 services
  4. Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mg (Q5124)20,905 services
  5. Imaging of retina (92134)7,009 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis45%
  • Diabetes40%
  • Ischemic heart disease28%
  • Chronic kidney disease27%

Practice locations

Addresses where Allen Y. Hu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Allen Y. Hu as a member of this group (CMS data updated October 2, 2026).

  • Cumberland Valley Retina Consultants PC5 clinicians in the group

Specialties

Find other Ophthalmology doctors in Maryland →

Other ophthalmologists in Hagerstown

Clinicians with the same Medicare primary specialty in Hagerstown, MD — not a recommendation.

All ophthalmologists in Hagerstown →

Other clinicians in Cumberland Valley Retina Consultants PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235315268
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians