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AARON J CALDERON MD
NPI 1124075353
Internal Medicine in Denver, CO

Active since May 31, 2006PECOS EnrolledAccepts Medicare Assignment
1960 OGDEN ST STE 400, DENVER, CO 80218(303) 318-1540(303) 318-2481 Get Directions Write a Review

NPPES record last updated: July 21, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Aaron J Calderon Md NPPES

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

AARON J CALDERON MD (NPI 1124075353) is an individual internal medicine provider in Denver, Colorado, licensed in Colorado (40910) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of Ny Upstate Medical University (1993).

NPPES Registry Identity

NPI1124075353
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameAARON J CALDERONCredential: MD
Location Address1960 OGDEN ST STE 400Denver, CO 80218-1022
Mailing Address2420 W 26th Ave Ste 400dDenver, CO 80211-5357 · (303) 467-4162 · Fax (303) 318-3885
Phone(303) 318-1540
Fax(303) 318-2481
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 1993
Enumeration DateMay 31, 2006
Last NPPES UpdateJuly 21, 2011
✔ NPI 1124075353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CO · 40910
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.
1960 OGDEN ST STE 400, Denver, CO 80218
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Other Identifiers 4

Medicaid53188268CO
Medicare UPING42606
Medicare PINC484718CO
OtherP00060405Medicare Railroad

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Aaron J Calderon Md 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 ID5890771158
PECOS Enrollment IDI20040628000160
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 80218 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$68.75 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$33.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

DEBORAH K DAVIS-MERRITT MD
Surgery
1960 OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1510
MR. G EDWARD KIMM JR. MD
Surgery
1960 OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540

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 Aaron Calderon's NPI number?

The NPI number for Aaron Calderon is 1124075353. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Aaron Calderon located?

Aaron Calderon practices at 1960 Ogden St Ste 400, Denver, CO 80218. The listed phone number is (303) 318-1540.

What is Aaron Calderon's specialty?

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

Is Aaron Calderon enrolled in Medicare?

Yes. Aaron Calderon 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 Aaron Calderon accept?

Health plans from UnitedHealthcare list Aaron 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.

When was this NPI record last updated?

The NPPES record for Aaron Calderon was last updated on July 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.