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General Surgery

Milton Y. Lum

Works at hospitals in Cumberland, MD · Maryland

Summary

Milton Y. Lum is a general surgeon at 12500 Willowbrook Rd, Cumberland, MD 21502. Accepts Medicare assignment. In 2024, Milton Y. Lum had 357 Original Medicare patients and 666 services. NPI 1740507433. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 12500 Willowbrook Rd, Cumberland, MD 21502 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospital: Western Maryland Regional Medical Center
  • Group practice: UPMC Western Maryland Health Services LLC
  • Medical school: 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 Milton Y. Lum, 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 Milton Y. Lum accept Medicare assignment?
Yes. Medicare's clinician data says Milton Y. Lum 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 Milton Y. Lum see?
In 2024, CMS data shows 357 Original Medicare patients and 666 services for Milton Y. Lum. This counts Original Medicare only and measures volume, not quality.
What is Milton Y. Lum's NPI number?
1740507433. 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 Milton Y. Lum, 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 patients357
Services billed to Medicare666
Different services or procedures79
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)89 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)66 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)55 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)36 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)34 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%
  • Arthritis58%
  • Diabetes41%
  • Anxiety39%
  • Chronic kidney disease36%

Hospitals where Milton Y. Lum works

Medicare's Facility Affiliation Data lists Milton Y. Lum at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

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

Group practices

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

  • UPMC Western Maryland Health Services LLC162 clinicians in the group

Specialties

Find other General Surgery doctors in Maryland →

Other general surgeons in Cumberland

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

All general surgeons in Cumberland →

Other clinicians in UPMC Western Maryland Health Services LLC

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

Clinician information

Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740507433
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians