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Allergy/Immunology

Jeffrey G. Demain, MD

Works at hospitals in Anchorage, AK · Alaska

Summary

Dr. Jeffrey G. Demain, MD is an allergist and immunologist at 282 Bentley Trust Rd, Suite 102, Fairbanks, AK 99701. Phone: (907) 744-1944. Accepts Medicare assignment. In 2024, Jeffrey G. Demain had 230 Original Medicare patients and 195,413 services. NPI 1548201395. 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: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 282 Bentley Trust Rd, Suite 102, Fairbanks, AK 99701 · Directions (1 more location)
  • Phone: (907) 744‑1944
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence Alaska Medical Center
  • Group practice: A4 Specialty Medical Group LLC (+1 more)
  • Medical school: Texas Tech University Health Science Center School Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jeffrey G. Demain, 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 Jeffrey G. Demain accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey G. Demain 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 Jeffrey G. Demain see?
In 2024, CMS data shows 230 Original Medicare patients and 195,413 services for Jeffrey G. Demain. This counts Original Medicare only and measures volume, not quality.
What is Jeffrey G. Demain's NPI number?
1548201395. 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 Jeffrey G. Demain, 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 patients230
Services billed to Medicare195,413
Different services or procedures57
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Injection, tezepelumab-ekko, 1 mg (J2356)31,080 services
  2. Injection, ferric carboxymaltose, 1 mg (J1439)29,250 services
  3. Injection, inclisiran, 1 mg (J1306)16,756 services
  4. Injection, romosozumab-aqqg, 1 mg (J3111)15,015 services
  5. Injection, ferric derisomaltose, 10 mg (J1437)4,900 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 pressure71%
  • High cholesterol70%
  • Arthritis54%
  • Ischemic heart disease34%
  • Osteoporosis34%
  • Diabetes24%

Hospitals where Jeffrey G. Demain works

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

Group practices

Medicare enrollment lists Jeffrey G. Demain as a member of these groups (CMS data updated October 2, 2026).

  • A4 Specialty Medical Group LLC5 clinicians in the group
  • A4 Specialty Medical Group Fairbanks LLC4 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Alaska →

Other allergist and immunologists in Alaska

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

All allergist and immunologists in Alaska →

Other clinicians in A4 Specialty Medical Group LLC

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

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548201395
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