DR. KAREN BRENDA ALONSO M.D.
NPI 1033439328
Hospitalist in Glendale, AZ

Active since June 09, 2010PECOS EnrolledAccepts Medicare Assignment
92.29/100
CMS Quality Rating
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER, GLENDALE, AZ 85306(602) 865-2627(602) 865-2632 Get Directions Write a Review

NPPES record last updated: January 4, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Karen Brenda Alonso M.d. NPPES

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

DR. KAREN BRENDA ALONSO M.D. (NPI 1033439328) is an individual hospitalist provider in Glendale, Arizona, licensed in Arizona (47925) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2010).

NPPES Registry Identity

NPI1033439328
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. KAREN BRENDA ALONSOCredential: M.D.
Location Address5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTERGlendale, AZ 85306
Mailing Address5555 W. Thunderbird, Banner Thunderbird Medical CenterGlendale, AZ 85306 · (602) 865-2627 · Fax (602) 865-2632
Fax(602) 865-2632
Sole ProprietorYes
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2010
Enumeration DateJune 9, 2010
Last NPPES UpdateJanuary 4, 2017
NPI 1033439328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in AZ · 47925
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 47925 (AZ), R72082 (AZ)
5555 W. THUNDERBIRD, Glendale, AZ 85306

Accepted 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

Dr. Karen Brenda Alonso M.d. 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 ID9638495948
PECOS Enrollment IDI20150304001461
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85306 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
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
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.

92.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40
Cost66.94

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.

Hospitalist
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306
Family Medicine
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306
Hospitalist
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306
Hospitalist
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306
Internal Medicine
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306
Hospitalist
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306
Hospitalist
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306
Hospitalist
5555 W. THUNDERBIRD, BANNER THUNDERBIRD MEDICAL CENTER
GLENDALE, AZ 85306

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Alonso's NPI number?

The NPI number for Karen Alonso is 1033439328. It was assigned to this individual provider in the NPPES registry on June 9, 2010.

Where is Karen Alonso located?

Karen Alonso practices at 5555 W. Thunderbird Banner Thunderbird Medical Center, Glendale, AZ 85306. The listed phone number is (602) 865-2627.

What is Karen Alonso's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Karen Alonso enrolled in Medicare?

Yes. Karen Alonso is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karen Alonso accept?

Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Karen Alonso as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Karen Alonso was last updated on January 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.