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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

NICHOLAS RYAN UMHOLTZ
NPI 1558276519
Registered Nurse - Critical Care Medicine in Greeley, CO

Active since August 15, 2026
6767 29TH ST, GREELEY, CO 80634(970) 652-2000 Get Directions Write a Review

NPPES record added: August 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Nicholas Ryan Umholtz NPPES

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

NICHOLAS RYAN UMHOLTZ (NPI 1558276519) is an individual critical care medicine provider in Greeley, Colorado, licensed in Colorado (RN.1672757) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1558276519
Entity TypeIndividualMale
Primary Taxonomy163WC0200X
Provider Legal NameNICHOLAS RYAN UMHOLTZ
Location Address6767 29TH STGreeley, CO 80634-5474
Mailing Address4038 W 15th Street LnGreeley, CO 80634-2761 · (970) 371-9836
Phone(970) 652-2000
Sole ProprietorYes
Enumeration DateAugust 15, 2026
NPPES CertifiedAugust 15, 2026
✔ NPI 1558276519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Critical Care MedicineNursing Service Providers
Taxonomy Code163WC0200X
License✔ Licensed in CO · RN.1672757
6767 29TH ST, Greeley, CO 80634
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Other Names 1

Other Name (5)Nick Umholtz

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

DR. KATIE ANN KENNEDY PT, DPT
Physical Therapist
6767 29TH ST
GREELEY, CO 80634
Weld County (970) 652-2000
CHELSEA WEILAND DO
Family Medicine
6767 29TH ST
GREELEY, CO 80634
Weld County (970) 652-2801
DR. BRIAN J DAILY MD
Internal Medicine
6767 29TH ST
GREELEY, CO 80634
Weld County (970) 652-2000
DR. DARREN MORRIS M.D.
Emergency Medicine
6767 29TH ST
GREELEY, CO 80634
Weld County (970) 652-2160
KAMI SPENCER CST, CSFA
Specialist/Technologist, Other (Surgical Assistant)
6767 29TH ST
GREELEY, CO 80634
Weld County (480) 381-4091
JUSTYN STEETLE OTR/L
Occupational Therapist
6767 29TH ST
GREELEY, CO 80634
Weld County (970) 652-2000
MS. MICAELA MARKER PA
Physician Assistant
6767 29TH ST
GREELEY, CO 80634
Weld County (970) 652-2433
MRS. KRISTIN NICOLE BEGGER NP-C
Nurse Practitioner
6767 29TH ST
GREELEY, CO 80634
Weld County (970) 652-2780

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 Umholtz's NPI number?

The NPI number for Nicholas Umholtz is 1558276519. It was assigned to this individual provider in the NPPES registry on August 15, 2026. The provider is also known as Nick Umholtz.

Where is Nicholas Umholtz located?

Nicholas Umholtz practices at 6767 29th St, Greeley, CO 80634. The listed phone number is (970) 652-2000.

What is Nicholas Umholtz's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Critical Care Medicine, with taxonomy code 163WC0200X.

When was this NPI record last updated?

The NPPES record for Nicholas Umholtz was last updated on August 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.