Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Sung W. Song, MD

Works at hospitals in La Mesa, CA · California

Summary

Dr. Sung W. Song, MD is a family doctor at 8881 Fletcher Pkwy, Suite 105, La Mesa, CA 91942. Phone: (858) 499-2600. Accepts Medicare assignment. In 2024, Sung W. Song had 193 Original Medicare patients and 1,248 services. NPI 1629052170. 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: Family doctor (Medicare lists Family Practice)
  • Address: 8881 Fletcher Pkwy, Suite 105, La Mesa, CA 91942 · Directions
  • Phone: (858) 499‑2600
  • Medicare: Accepts Medicare assignment
  • Hospital: Grossmont Hospital
  • Group practice: Sharp Rees-Stealy Medical Group Inc
  • Medical school: Hahneman Medical College Of The Pacific · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sung W. Song, 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 Sung W. Song accept Medicare assignment?
Yes. Medicare's clinician data says Sung W. Song 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 Sung W. Song see?
In 2024, CMS data shows 193 Original Medicare patients and 1,248 services for Sung W. Song. This counts Original Medicare only and measures volume, not quality.
What is Sung W. Song's NPI number?
1629052170. 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 Sung W. Song, 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 patients193
Services billed to Medicare1,248
Different services or procedures33
Participating Medicare providerYes
Average age of these patients74

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)152 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)136 services
  3. Telephone medical discussion with physician, 21-30 minutes (99443)25 services
  4. Administration of influenza virus vaccine (G0008)16 services
  5. Influenza vaccine, inactivated (90653)15 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 cholesterol75%
  • High blood pressure70%
  • Arthritis32%
  • Diabetes21%
  • Depression15%
  • Chronic kidney disease14%

Hospitals where Sung W. Song works

Medicare's Facility Affiliation Data lists Sung W. Song 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.

  • Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026

Practice locations

Addresses where Sung W. Song is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Sharp Rees-Stealy Medical Group Inc884 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in La Mesa

Clinicians with the same Medicare primary specialty in La Mesa, CA — not a recommendation.

All family doctors in La Mesa →

Other clinicians in Sharp Rees-Stealy Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolHahneman Medical College Of The Pacific
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1629052170
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