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Internal Medicine

Ho Sung S. Pak, MD

Works at hospitals in San Marcos, TX · Texas

Summary

Dr. Ho Sung S. Pak, MD is an internal medicine doctor at 1762 E Common St, New Braunfels, TX 78130. Phone: (830) 730-8580. Accepts Medicare assignment. In 2024, Ho Sung S. Pak had 390 Original Medicare patients and 2,469 services. NPI 1518025766. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1762 E Common St, New Braunfels, TX 78130 · Directions (1 more location)
  • Phone: (830) 730‑8580
  • Medicare: Accepts Medicare assignment
  • Hospital: CHRISTUS Santa Rosa Hospital-San Marcos
  • Group practice: Pak Medical Group PLLC
  • Medical school: Midwestern University, Chicago College Of Osteopathic Med · graduated 1993 (33 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ho Sung S. Pak, 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 Ho Sung S. Pak accept Medicare assignment?
Yes. Medicare's clinician data says Ho Sung S. Pak 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 Ho Sung S. Pak see?
In 2024, CMS data shows 390 Original Medicare patients and 2,469 services for Ho Sung S. Pak. This counts Original Medicare only and measures volume, not quality.
What is Ho Sung S. Pak's NPI number?
1518025766. 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 Ho Sung S. Pak, 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 patients390
Services billed to Medicare2,469
Different services or procedures40
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes (99421)769 services
  2. Online digital evaluation and management service for an established patient for up to 7 days, total time 21 or more minutes (99423)288 services
  3. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)288 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)248 services
  5. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)220 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%
  • Arthritis67%
  • Ischemic heart disease38%
  • Chronic kidney disease34%
  • Depression25%

Hospitals where Ho Sung S. Pak works

Medicare's Facility Affiliation Data lists Ho Sung S. Pak 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 Ho Sung S. Pak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ho Sung S. Pak as a member of this group (CMS data updated October 2, 2026).

  • Pak Medical Group PLLC10 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in New Braunfels

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

All internal medicine doctors in New Braunfels →

Other clinicians in Pak Medical Group PLLC

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

Clinician information

CredentialMD
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518025766
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