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Nephrology

William P. Muldowney, MD

Works at hospitals in Berkeley, CA · California

Summary

Dr. William P. Muldowney, MD is a nephrologist at 2905 Telegraph Ave, Berkeley, CA 94705. Phone: (510) 841-0411. Accepts Medicare assignment. In 2024, William P. Muldowney had 530 Original Medicare patients and 734 services. NPI 1417034356. 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: Nephrologist (Medicare lists Nephrology)
  • Address: 2905 Telegraph Ave, Berkeley, CA 94705 · Directions
  • Phone: (510) 841‑0411
  • Medicare: Accepts Medicare assignment
  • Hospital: Alta Bates Summit Medical Center - Alta Bates Camp
  • Group practice: East Bay Nephrology Medical Group Inc
  • Medical school: graduated 1981 (45 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 William P. Muldowney, 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 William P. Muldowney accept Medicare assignment?
Yes. Medicare's clinician data says William P. Muldowney 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 William P. Muldowney see?
In 2024, CMS data shows 530 Original Medicare patients and 734 services for William P. Muldowney. This counts Original Medicare only and measures volume, not quality.
What is William P. Muldowney's NPI number?
1417034356. 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 William P. Muldowney, 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 patients530
Services billed to Medicare734
Different services or procedures13
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)357 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)238 services
  3. Transitional care management services for problem of high complexity (99496)40 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)35 services
  5. Transitional care management services for problem of at least moderate complexity (99495)27 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 pressure71%
  • Arthritis41%
  • Ischemic heart disease29%
  • Diabetes24%
  • Chronic kidney disease23%

Hospitals where William P. Muldowney works

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

Group practices

Medicare enrollment lists William P. Muldowney as a member of this group (CMS data updated October 2, 2026).

  • East Bay Nephrology Medical Group Inc31 clinicians in the group

Specialties

Find other Nephrology doctors in California →

Other nephrologists in Berkeley

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

All nephrologists in Berkeley →

Other clinicians in East Bay Nephrology Medical Group Inc

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

Clinician information

CredentialMD
Graduation year1981 (45 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1417034356
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