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Emergency Medicine

Philip R. Kilmer, MD

Works at hospitals in Gregory, SD · South Dakota

Summary

Dr. Philip R. Kilmer, MD is an emergency medicine doctor at 405 Whittecar Ave, Gregory, SD 57533. Phone: (605) 835-9611. Accepts Medicare assignment. In 2024, Philip R. Kilmer had 17 Original Medicare patients and 41 services. NPI 1891748299. 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: 405 Whittecar Ave, Gregory, SD 57533 · Directions
  • Phone: (605) 835‑9611
  • Medicare: Accepts Medicare assignment
  • Hospital: Avera Gregory Hospital
  • Group practice: Avera McKennan
  • Medical school: graduated 1985 (41 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Philip R. Kilmer, 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 Philip R. Kilmer accept Medicare assignment?
Yes. Medicare's clinician data says Philip R. Kilmer 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 Philip R. Kilmer see?
In 2024, CMS data shows 17 Original Medicare patients and 41 services for Philip R. Kilmer. This counts Original Medicare only and measures volume, not quality.
What is Philip R. Kilmer's NPI number?
1891748299. 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 Philip R. Kilmer, 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 patients17
Services billed to Medicare41
Different services or procedures10
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)19 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%

Hospitals where Philip R. Kilmer works

Medicare's Facility Affiliation Data lists Philip R. Kilmer 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.

  • Avera Gregory HospitalGregory, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431338

Practice locations

Addresses where Philip R. Kilmer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Philip R. Kilmer as a member of this group (CMS data updated October 2, 2026).

  • Avera McKennan959 clinicians in the group

Specialties

Find other Emergency Medicine doctors in South Dakota →

Other emergency medicine doctors in South Dakota

Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.

All emergency medicine doctors in South Dakota →

Other clinicians in Avera McKennan

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

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891748299
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