DR. OMAR CALDERON JR. MD
NPI 1295364081
Internal Medicine - Gastroenterology in Madison, WI

Q: What is Omar Calderon's NPI number?

The NPI number for Omar Calderon is 1295364081. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Q: What is Omar Calderon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Omar Calderon was last updated on June 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 April 03, 2020PECOS Enrolled

UW HOSPITALS & CLINICS 600 HIGHLAND HIGHLAND AVE, MADISON, WI 53792(813) 259-0670 Get Directions Write a Review

NPPES record last updated: June 15, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 15, 2023, Apr 3, 2020 (2 updates tracked since 2020).

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About Dr. Omar Calderon Jr. Md NPPES

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

DR. OMAR CALDERON JR. MD (NPI 1295364081) is an individual gastroenterology provider in Madison, Wisconsin, licensed in Wisconsin (8209220) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Gundersen Palmer Lutheran Hospital And Clinics, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2020).

NPPES Registry Identity

NPI1295364081

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. OMAR CALDERON JR.Credential: MD

Location AddressUW HOSPITALS & CLINICS 600 HIGHLAND HIGHLAND AVEMadison, WI 53792-3438

Mailing AddressUw Hospitals & Clinics 600 Highland AveMadison, WI 53792-0001

Phone(813) 259-0670

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2020

Enumeration DateApril 3, 2020

Last NPPES UpdateJune 15, 20232 updates tracked since enumeration

NPPES CertifiedJune 15, 2023

✔ NPI 1295364081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in WI · 8209220

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

UW HOSPITALS & CLINICS 600 HIGHLAND HIGHLAND AVE, Madison, WI 53792

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, HealthPartners.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Omar Calderon Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9638539950

PECOS Enrollment IDI20260921003095

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Gundersen Palmer Lutheran Hospital And Clinics

Critical Access Hospitals · West Union, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161316

Location112 Jefferson StreetWest Union, IA 52175 · Fayette County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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.

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 Omar Calderon's NPI number?

The NPI number for Omar Calderon is 1295364081. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Where is Omar Calderon located?

Omar Calderon practices at Uw Hospitals & Clinics 600 Highland Highland Ave, Madison, WI 53792. The listed phone number is (813) 259-0670.

What is Omar Calderon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Omar Calderon enrolled in Medicare?

Yes. Omar Calderon is registered in the Medicare PECOS enrollment system.

What insurance does Omar Calderon accept?

Health plans from Aspirus Health Plan and HealthPartners list Omar Calderon 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.

Is Omar Calderon affiliated with any hospitals?

According to CMS data, Omar Calderon is affiliated with Gundersen Palmer Lutheran Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Omar Calderon was last updated on June 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.