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ISAAC E ALONSO DO
NPI 1790589950
Internal Medicine in Des Moines, IA

Active since April 04, 2025PECOS Enrolled
1111 6TH AVE, DES MOINES, IA 50314(515) 643-2261(515) 643-5802 Get Directions Write a Review

NPPES record last updated: June 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 4, 2025, Apr 4, 2025 (2 updates tracked since 2025).

About Isaac E Alonso Do NPPES

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

ISAAC E ALONSO DO (NPI 1790589950) is an individual internal medicine provider in Des Moines, Iowa, licensed in Iowa (R-13531) and active in the NPI registry since April 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790589950
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameISAAC E ALONSOCredential: DO
Location Address1111 6TH AVEDes Moines, IA 50314-2613
Mailing Address1111 6th AveDes Moines, IA 50314-2613 · (515) 643-2261 · Fax (515) 643-5802
Phone(515) 643-2261
Fax(515) 643-5802
Sole ProprietorNo
Enumeration DateApril 4, 2025
Last NPPES UpdateJune 4, 20252 updates tracked since enumeration
NPPES CertifiedJune 4, 2025
✔ NPI 1790589950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · R-13531
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1111 6TH AVE, Des Moines, IA 50314
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isaac E Alonso Do 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 50314 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

MERCY CLINICS, INC
Psychiatry & Neurology (Neurology)
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314
Polk County (515) 358-0011
TODD EBERLE DO
Family Medicine
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-8678
JOSEPH JANSKY DO
Family Medicine
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 612-9595
MYLES KAWAMURA DO
Emergency Medicine
1111 6TH AVE, EMERGENCY DEPARTMENT
DES MOINES, IA 50314
Polk County (515) 247-3211
DR. CODY BRUNCLIK DO
Student in an Organized Health Care Education/Training Program
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 247-3121
TYLER MUMM DO
Internal Medicine
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-2261
DR. MITCHELL R. ERICKSON M.D.
Radiology (Neuroradiology)
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-2667
DR. THERESA MARIE WAHLIG M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-8409

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 Isaac Alonso's NPI number?

The NPI number for Isaac Alonso is 1790589950. It was assigned to this individual provider in the NPPES registry on April 4, 2025.

Where is Isaac Alonso located?

Isaac Alonso practices at 1111 6th Ave, Des Moines, IA 50314. The listed phone number is (515) 643-2261.

What is Isaac Alonso's specialty?

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

Is Isaac Alonso enrolled in Medicare?

Yes. Isaac Alonso is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Isaac Alonso was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.