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

WILLIAM MARTCHENKE RN,BSN
NPI 1104721273
Registered Nurse in Denver, CO

Active since October 09, 2026
4567 E 9TH AVE, DENVER, CO 80220(303) 320-2375 Get Directions Write a Review

NPPES record added: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About William Martchenke Rn,bsn NPPES

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

WILLIAM MARTCHENKE RN,BSN (NPI 1104721273) is an individual registered nurse in Denver, Colorado, licensed in Colorado (1669486) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1104721273
Entity TypeIndividualMale
Primary Taxonomy163W00000X
Provider Legal NameWILLIAM MARTCHENKECredential: RN,BSN
Location Address4567 E 9TH AVEDenver, CO 80220-3908
Mailing Address4567 E 9th AveDenver, CO 80220-3908 · (303) 320-2375
Sole ProprietorNo
Enumeration DateOctober 9, 2026
NPPES CertifiedOctober 9, 2026
✔ NPI 1104721273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in CO · 1669486
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
4567 E 9TH AVE, Denver, CO 80220

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.

Physical Therapist
4567 E 9TH AVE
DENVER, CO 80220
General Acute Care Hospital
4567 E 9TH AVE
DENVER, CO 80220
Psychiatry & Neurology (Psychiatry)
4567 E 9TH AVE
DENVER, CO 80220
Speech-Language Pathologist
4567 E 9TH AVE
DENVER, CO 80220
Social Worker (Clinical)
4567 E 9TH AVE
DENVER, CO 80220
Pharmacist
4567 E 9TH AVE
DENVER, CO 80220
Physician Assistant
4567 E 9TH AVE
DENVER, CO 80220
Physical Medicine & Rehabilitation
4567 E 9TH AVE
DENVER, CO 80220

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 William Martchenke's NPI number?

The NPI number for William Martchenke is 1104721273. It was assigned to this individual provider in the NPPES registry on October 9, 2026.

Where is William Martchenke located?

William Martchenke practices at 4567 E 9th Ave, Denver, CO 80220. The listed phone number is (303) 320-2375.

What is William Martchenke's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for William Martchenke was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.