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

Internal Medicine

Justin P. Quock, MD

Works at hospitals in San Francisco, CA · Burlingame, CA · California

Summary

Dr. Justin P. Quock, MD is an internal medicine doctor at 386 Gellert Blvd, Suite Bcandd, Daly City, CA 94015. Phone: (650) 761-3500. Accepts Medicare assignment. In 2024, Justin P. Quock had 238 Original Medicare patients and 1,800 services. NPI 1699792663. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Justin P. Quock, 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 Justin P. Quock accept Medicare assignment?
Yes. Medicare's clinician data says Justin P. Quock 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 Justin P. Quock see?
In 2024, CMS data shows 238 Original Medicare patients and 1,800 services for Justin P. Quock. This counts Original Medicare only and measures volume, not quality.
What is Justin P. Quock's NPI number?
1699792663. 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 Justin P. Quock, 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 patients238
Services billed to Medicare1,800
Different services or procedures30
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)568 services
  2. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)491 services
  3. Blood test, comprehensive group of blood chemicals (80053)391 services
  4. Blood test, lipids (cholesterol and triglycerides) (80061)53 services
  5. Manual urinalysis test with examination using microscope, automated (81001)41 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%
  • Diabetes43%
  • Chronic kidney disease36%
  • Arthritis33%
  • Osteoporosis26%

Hospitals where Justin P. Quock works

Medicare's Facility Affiliation Data lists Justin P. Quock 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 Justin P. Quock is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Justin P. Quock as a member of these groups (CMS data updated October 2, 2026).

  • North East Medical Services143 clinicians in the group
  • Chinese Hospital Association39 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Daly City

Clinicians with the same Medicare primary specialty in Daly City, CA — not a recommendation.

All internal medicine doctors in Daly City →

Other clinicians in North East Medical Services

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

Clinician information

CredentialMD
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699792663
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