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Anesthesiology

Adam J. Dziuba, MD

Works at hospitals in Concord, CA · Walnut Creek, CA · California

Summary

Dr. Adam J. Dziuba, MD is an anesthesiologist at 2000 Mowry Ave, Fremont, CA 94538. Phone: (510) 797-1111. Accepts Medicare assignment. In 2024, Adam J. Dziuba had 155 Original Medicare patients and 434 services. NPI 1215391164. 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 Adam J. Dziuba, 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 Adam J. Dziuba accept Medicare assignment?
Yes. Medicare's clinician data says Adam J. Dziuba 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 Adam J. Dziuba see?
In 2024, CMS data shows 155 Original Medicare patients and 434 services for Adam J. Dziuba. This counts Original Medicare only and measures volume, not quality.
What is Adam J. Dziuba's NPI number?
1215391164. 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 Adam J. Dziuba, 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 patients155
Services billed to Medicare434
Different services or procedures65
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)24 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)22 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 services
  4. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)11 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)11 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%
  • Arthritis59%
  • Depression39%
  • Diabetes34%
  • Chronic kidney disease33%

Hospitals where Adam J. Dziuba works

Medicare's Facility Affiliation Data lists Adam J. Dziuba 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 Adam J. Dziuba is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Adam J. Dziuba as a member of this group (CMS data updated October 2, 2026).

  • Cep America - Anesthesia PC849 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Fremont

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

All anesthesiologists in Fremont →

Other clinicians in Cep America - Anesthesia PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215391164
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