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Allergy/Immunology

Rebecca C. Koenigsberg, DO

Sees patients in Scottsdale, AZ · Arizona

Summary

Dr. Rebecca C. Koenigsberg, DO is an allergist and immunologist at 10200 N 92nd St, Suite 130, Scottsdale, AZ 85258. Phone: (602) 949-7377. Accepts Medicare assignment. In 2024, Rebecca C. Koenigsberg had 61 Original Medicare patients and 1,948 services. NPI 1932662079. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 10200 N 92nd St, Suite 130, Scottsdale, AZ 85258 · Directions (1 more location)
  • Phone: (602) 949‑7377
  • Medicare: Accepts Medicare assignment
  • Group practice: Allergy, Asthma and Immunology Associates Ltd
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Rebecca C. Koenigsberg, 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 Rebecca C. Koenigsberg accept Medicare assignment?
Yes. Medicare's clinician data says Rebecca C. Koenigsberg 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 Rebecca C. Koenigsberg see?
In 2024, CMS data shows 61 Original Medicare patients and 1,948 services for Rebecca C. Koenigsberg. This counts Original Medicare only and measures volume, not quality.
What is Rebecca C. Koenigsberg's NPI number?
1932662079. 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 Rebecca C. Koenigsberg, 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 patients61
Services billed to Medicare1,948
Different services or procedures21
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg (J1561)1,120 services
  2. Infusion into a vein for therapy, prevention, or diagnosis, each additional hour (96366)22 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)15 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)13 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 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 cholesterol69%
  • Arthritis52%
  • High blood pressure51%
  • Ischemic heart disease31%
  • Osteoporosis31%
  • Asthma31%

Practice locations

Addresses where Rebecca C. Koenigsberg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rebecca C. Koenigsberg as a member of this group (CMS data updated October 2, 2026).

  • Allergy, Asthma and Immunology Associates Ltd8 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Arizona →

Other allergist and immunologists in Scottsdale

Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.

All allergist and immunologists in Scottsdale →

Other clinicians in Allergy, Asthma and Immunology Associates Ltd

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1932662079
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians