NPPES file of Aug 9, 2026

Marcia Kay Maronn Johnson, CRNA

Certified Registered Nurse Anesthetist · Littleton, CO

Marcia Kay Maronn Johnson, CRNA is a certified registered nurse anesthetist with a practice address in Littleton, Colorado, and NPI 1063455418, issued on Jun 14, 2006. Check the license (Colorado 109150, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063455418
Name
Marcia Kay Maronn Johnson
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
109150 CO
D095023 IA
157592 MT
Self-reported in NPPES; status is on the state search
Practice location
7690 W Massey Dr, Littleton, CO 80128
Phone
(970) 389-2555
Enumerated
Jun 14, 2006
Record last updated
Sep 18, 2025
Fax
(855) 742-1239
Medicaid ID
49188836 CO
Medicare enrollment
Enrolled (PECOS I20040707000582); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest certified registered nurse anesthetist records → All 867 in Colorado → Look up another NPI →

Verify Marcia Kay Maronn Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 109150    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3 hospitals and group practices

  1. Cep America - Anesthesia PCDes Moines, IA
  2. Lutheran Hospital Association OF The San Luis ValleyAlamosa, CO
  3. Wray Community District HospitalWray, CO · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Marcia Kay Maronn Johnson among 867 certified registered nurse anesthetist records in Colorado

Marcia Kay Maronn Johnson, CRNA is one of 867 certified registered nurse anesthetist records with a practice address in Colorado. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 70% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1999 · median 2014 among the 646 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Colorado

There are 867 certified registered nurse anesthetist records in Colorado.

All 867 in Colorado → Every provider in Littleton → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Katherine Shulman, CRNALittleton, CO 801281154712511
  2. Ralph Ascione, CRNAHighlands Ranch, CO 801291467782482
  3. Jennifer Devine, CRNAHighlands Ranch, CO 801291285848762
  4. Jennifer Maurer, CRNAHighlands Ranch, CO 801291891737912
  5. Amanda Meinhardt, CRNAHighlands Ranch, CO 801291740448968
  6. Michelle Oliver, CRNAHighlands Ranch, CO 801291508885054
  7. Dana Stalilionis, CRNAHighlands Ranch, CO 801291124356449
  8. Mary Szafranowski, CRNAHighlands Ranch, CO 801291740681485

Common questions

What is Marcia Kay Maronn Johnson, CRNA's NPI number?

Marcia Kay Maronn Johnson, CRNA's National Provider Identifier (NPI) is 1063455418, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marcia Kay Maronn Johnson, CRNA located?

The NPPES record lists a practice address at 7690 W Massey Dr, Littleton, CO, 80128. Phone: (970) 389-2555. Providers update this record themselves, so call before visiting.

How can I verify Marcia Kay Maronn Johnson, CRNA's license?

NPPES lists Colorado license number 109150, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.