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Emergency Medicine

Sang Hyun Lee, MD

Works at hospitals in The Woodlands, TX · Texas

Summary

Dr. Sang Hyun Lee, MD is an emergency medicine doctor at 4500 E Sam Houston Pkwy S, CHI St Lukes Health Patients Medi, Pasadena, TX 77505. Phone: (713) 948-7000. Accepts Medicare assignment. In 2024, Sang Hyun Lee had 201 Original Medicare patients and 333 services. NPI 1982838587. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 4500 E Sam Houston Pkwy S, CHI St Lukes Health Patients Medi, Pasadena, TX 77505 · Directions
  • Phone: (713) 948‑7000
  • Medicare: Accepts Medicare assignment
  • Hospitals: CHI St. Luke's Lakeside Hospital, St. Luke's The Woodlands Hospital
  • Group practice: Integrative Emergency Services Physician Group-Houston PLLC
  • Medical school: Rutgers New Jersey 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 Sang Hyun Lee, 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 Sang Hyun Lee accept Medicare assignment?
Yes. Medicare's clinician data says Sang Hyun Lee 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 Sang Hyun Lee see?
In 2024, CMS data shows 201 Original Medicare patients and 333 services for Sang Hyun Lee. This counts Original Medicare only and measures volume, not quality.
What is Sang Hyun Lee's NPI number?
1982838587. 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 Sang Hyun Lee, 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 patients201
Services billed to Medicare333
Different services or procedures8
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)133 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)112 services
  3. Emergency department visit with moderate level of medical decision making (99284)54 services
  4. Critical care, first 30-74 minutes (99291)29 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%
  • Arthritis57%
  • Ischemic heart disease42%
  • Diabetes40%
  • Anxiety40%

Hospitals where Sang Hyun Lee works

Medicare's Facility Affiliation Data lists Sang Hyun Lee 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 Sang Hyun Lee is enrolled with Medicare (CMS data updated October 2, 2026).

  • 4500 E Sam Houston Pkwy S, CHI St Lukes Health Patients MediPasadena, TX 77505 (713) 948‑7000

Group practices

Medicare enrollment lists Sang Hyun Lee as a member of this group (CMS data updated October 2, 2026).

  • Integrative Emergency Services Physician Group-Houston PLLC217 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Pasadena

Clinicians with the same Medicare primary specialty in Pasadena, TX — not a recommendation.

All emergency medicine doctors in Pasadena →

Other clinicians in Integrative Emergency Services Physician Group-Houston PLLC

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

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982838587
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