RANDY HORWITZ MD, PHD
NPI 1194790493
Internal Medicine - Allergy & Immunology in Tucson, AZ

Q: What is Randy Horwitz's NPI number?

The NPI number for Randy Horwitz is 1194790493. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Q: What is Randy Horwitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Q: When was this NPI record last updated?

The NPPES record for Randy Horwitz was last updated on June 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 21, 2006PECOS EnrolledAccepts Medicare Assignment

97.64/100

CMS Quality Rating

1501 N CAMPBELL AVE, TUCSON, AZ 85724(520) 874-3500 Get Directions Write a Review

NPPES record last updated: June 21, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Randy Horwitz Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RANDY HORWITZ MD, PHD (NPI 1194790493) is an individual allergy & immunology provider in Tucson, Arizona, licensed in Arizona (29958) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1990).

NPPES Registry Identity

NPI1194790493

Entity TypeIndividualMale

Primary Taxonomy207RA0201X

Provider Legal NameRANDY HORWITZCredential: MD, PHD

Location Address1501 N CAMPBELL AVETucson, AZ 85724-0001

Mailing Address575 E River RdTucson, AZ 85704-5822 · (520) 874-3500

Phone(520) 874-3500

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1990

Enumeration DateFebruary 21, 2006

Last NPPES UpdateJune 21, 2013

✔ NPI 1194790493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0201X

License✔ Licensed in AZ · 29958

Definition

An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

1501 N CAMPBELL AVE, Tucson, AZ 85724

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Other Identifiers 1

Medicare UPINI00122AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Randy Horwitz Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557252814

PECOS Enrollment IDI20040324000752

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85724 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.64/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

84.77

Promoting Interoperability

98.67

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. DOUGLAS FRANK LARSON PH.D.

Perfusionist

1501 N CAMPBELL AVE, SUITE 4402 ARIZONA HEALTH SCIENCE CENTER
TUCSON, AZ 85724

Pima County (520) 626-6339

MARTIN DEMANT

Pediatrics