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NICHOLAS HOLZEMER M.D.
NPI 1386025302
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Aurora, CO

Active since June 16, 2015PECOS EnrolledAccepts Medicare Assignment
13123 E 16TH AVE, AURORA, CO 80045(720) 848-0000 Get Directions Write a Review

NPPES record last updated: February 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 4, 2025, May 17, 2024, Apr 2, 2019 (3 updates tracked since 2019).

About Nicholas Holzemer M.d. NPPES

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

NICHOLAS HOLZEMER M.D. (NPI 1386025302) is an individual advanced heart failure and transplant cardiology provider in Aurora, Colorado, licensed in Colorado (DR.0062066) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2015).

NPPES Registry Identity

NPI1386025302
Entity TypeIndividualMale
Primary Taxonomy207RA0001X
Provider Legal NameNICHOLAS HOLZEMERCredential: M.D.
Location Address13123 E 16TH AVEAurora, CO 80045-7106
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Phone(720) 848-0000
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2015
Enumeration DateJune 16, 2015
Last NPPES UpdateFebruary 4, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2025
✔ NPI 1386025302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0001X
License✔ Licensed in CO · DR.0062066
Definition
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.
Also ListedInternal MedicineTaxonomy 207R00000X · License DR.0062066 (CO)
13123 E 16TH AVE, Aurora, CO 80045
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Accepted Insurance

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

Nicholas Holzemer 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 ID4789984535
PECOS Enrollment IDI20240523001380
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 80045 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.

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.

ERIN TERAVEST PA
Physician Assistant (Surgical)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MELISSA KAY FRAZER AA-C
Anesthesiologist Assistant
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
RACHEL MARIE RANWEILER
Registered Nurse (Neonatal Intensive Care)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-6857
DR. KATHRYN LYN PEGAN AU.D.
Audiologist
13123 E 16TH AVE, 2ND FLOOR OUTPATIENT PAVILION - AUDIOLOGY
AURORA, CO 80045
Adams County (720) 777-1961
MRS. KRISTEN L HOLDER FNP-C, APRN-BC
Nurse Practitioner (Psychiatric/Mental Health)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MRS. JILL M MARKS RN, APN
Nurse Practitioner (Pediatrics)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-1234
MRS. WENDELYN M BARRETT NNP
Registered Nurse (Neonatal Intensive Care)
13123 E 16TH AVE
AURORA, CO 80045
Adams County (720) 777-6857
DR. TIMOTHY OWEN VANDERKOOY MD
Emergency Medicine (Pediatric Emergency Medicine)
13123 E 16TH AVE, AURORA, CO 80045-7106
AURORA, CO 80045
Adams County (720) 777-1234

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 Nicholas Holzemer's NPI number?

The NPI number for Nicholas Holzemer is 1386025302. It was assigned to this individual provider in the NPPES registry on June 16, 2015.

Where is Nicholas Holzemer located?

Nicholas Holzemer practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.

What is Nicholas Holzemer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is Nicholas Holzemer enrolled in Medicare?

Yes. Nicholas Holzemer 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 Nicholas Holzemer accept?

Health plans from Medica and UnitedHealthcare list Nicholas Holzemer 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 Nicholas Holzemer was last updated on February 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.