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

Internal Medicine

Todd K. Zynda, MD

Works at hospitals in Long Beach, CA · California

Summary

Dr. Todd K. Zynda, MD is an internal medicine doctor at 1045 Atlantic Ave, Suite 611, Long Beach, CA 90813. Phone: (562) 432-0111. Accepts Medicare assignment. In 2024, Todd K. Zynda had 750 Original Medicare patients and 2,933 services. NPI 1669618393. 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 Todd K. Zynda, 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 Todd K. Zynda accept Medicare assignment?
Yes. Medicare's clinician data says Todd K. Zynda 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 Todd K. Zynda see?
In 2024, CMS data shows 750 Original Medicare patients and 2,933 services for Todd K. Zynda. This counts Original Medicare only and measures volume, not quality.
What is Todd K. Zynda's NPI number?
1669618393. 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 Todd K. Zynda, 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 patients750
Services billed to Medicare2,933
Different services or procedures66
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)523 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)510 services
  3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)354 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)276 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)202 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%
  • Ischemic heart disease64%
  • Diabetes62%
  • Heart failure60%
  • Chronic kidney disease58%

Hospitals where Todd K. Zynda works

Medicare's Facility Affiliation Data lists Todd K. Zynda 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 Todd K. Zynda is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Long Beach

Clinicians with the same Medicare primary specialty in Long Beach, CA — not a recommendation.

All internal medicine doctors in Long Beach →

Clinician information

CredentialMD
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669618393
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