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Emergency Medicine

Pamela Polynice, DO

Works at hospitals in Antioch, CA · California

Summary

Dr. Pamela Polynice, DO is an emergency medicine doctor at 1425 S Main St, Walnut Creek, CA 94596. Phone: (925) 295-4000. Accepts Medicare assignment. In 2024, Pamela Polynice had 21 Original Medicare patients and 22 services. NPI 1427314947. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1425 S Main St, Walnut Creek, CA 94596 · Directions
  • Phone: (925) 295‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Antioch
  • Group practice: Permanente Medical Group Inc
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Pamela Polynice, 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 Pamela Polynice accept Medicare assignment?
Yes. Medicare's clinician data says Pamela Polynice 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 Pamela Polynice see?
In 2024, CMS data shows 21 Original Medicare patients and 22 services for Pamela Polynice. This counts Original Medicare only and measures volume, not quality.
What is Pamela Polynice's NPI number?
1427314947. 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 Pamela Polynice, 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 patients21
Services billed to Medicare22
Different services or procedures6
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)12 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 cholesterol62%
  • Chronic kidney disease52%

Hospitals where Pamela Polynice works

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

Group practices

Medicare enrollment lists Pamela Polynice as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Walnut Creek

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

All emergency medicine doctors in Walnut Creek →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427314947
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