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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALEXA JEANINE BAIER MD
NPI 1215879291
Internal Medicine in Scottsdale, AZ

Active since April 08, 2026PECOS Enrolled
13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 3, 2026, Jul 7, 2026, Apr 8, 2026 (3 updates tracked since 2026).

About Alexa Jeanine Baier Md NPPES

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

ALEXA JEANINE BAIER MD (NPI 1215879291) is an individual internal medicine provider in Scottsdale, Arizona, licensed in Arizona (R82857) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215879291
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALEXA JEANINE BAIERCredential: MD
Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5452
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912
Phone(480) 301-8000
Sole ProprietorNo
Enumeration DateApril 8, 2026
Last NPPES UpdateAugust 3, 20263 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1215879291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · R82857
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
13400 E SHEA BLVD, Scottsdale, AZ 85259
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Other Names 1

Former Name (1)Alexa Jeanine Horrell

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexa Jeanine Baier Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 85259 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.

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.

AMITKUMAR MEHTA MD
Internal Medicine (Hematology & Oncology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000
DR. DEBJIT SAHA MBBS
Internal Medicine (Critical Care Medicine)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000
MICHAL REID M.D.
Internal Medicine (Pulmonary Disease)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000
DR. DANIEL MARK FRENDL MD, PHD
Urology
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000
BRETT THEODORE TOLPA CRNA
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000
GINA MUNSON CRNA
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000
DR. CATALINA NICOLE FLORES MD
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000
NICOLE WARRINGTON MD
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Maricopa County (480) 301-8000

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 Alexa Baier's NPI number?

The NPI number for Alexa Baier is 1215879291. It was assigned to this individual provider in the NPPES registry on April 8, 2026. The provider is also known as Alexa Jeanine Horrell.

Where is Alexa Baier located?

Alexa Baier practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.

What is Alexa Baier's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alexa Baier enrolled in Medicare?

Yes. Alexa Baier is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexa Baier was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.