NPPES file of Aug 9, 2026

Stephanie C. Mullennix, RN, CEN, AGCNS-BC

Clinical Nurse Specialist · Grand Rapids, MI

Stephanie C. Mullennix, RN, CEN, AGCNS-BC is a clinical nurse specialist with a practice address in Grand Rapids, Michigan, and NPI 1134773468, issued on Jul 25, 2019. Check the license (Michigan 4704230534, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134773468
Name
Stephanie C. Mullennix
Credential
RN, CEN, AGCNS-BC
Primary taxonomy
Clinical Nurse Specialist 364S00000X
License number
4704230534 MI
Self-reported in NPPES; status is on the state search
Practice location
4100 Embassy Dr SE Ste 400, Grand Rapids, MI 49546
Phone
(616) 988-8233
Enumerated
Jul 25, 2019
Record last updated
Jul 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(616) 957-3320
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest clinical nurse specialist records → All 66 in Michigan → Look up another NPI →

Also registered at 4100 Embassy Dr SE Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marissa Bruni, PA-CPhysician Assistant1699693614
  2. Rebecca Cline, PA-CPhysician Assistant1194203240
  3. Alexandra Faasse, PA-CPhysician Assistant1871275776
  4. Lydia Fales, PA-CPhysician Assistant1962116962
  5. Stephanie Flohr, RNRegistered Nurse1164277356
  6. Nicholas Frame, M.D.Emergency Medicine Physician1104230341

Verify Stephanie C. Mullennix in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704230534    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 Michigan 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.

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Industry payments in 2024: $32.78

1 payment: food and beverage; the largest payer was Abbvie Inc. The 457 providers of this specialty with any payment received $871.23 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Mullennix$32.78
  2. Specialty average$871.23

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Stephanie C. Mullennix among 66 clinical nurse specialist records in Michigan

Stephanie C. Mullennix, RN, CEN, AGCNS-BC is one of 66 clinical nurse specialist records with a practice address in Michigan. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 12% of them.

  • NPI issued2019 · 12% of these records are older, 74% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2019 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 364S00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Nurse Specialist providers in Michigan

There are 66 clinical nurse specialist records in Michigan.

All 66 in Michigan → Every provider in Grand Rapids → Clinical Nurse Specialist nationwide →

The 8 clinical nurse specialist records with the nearest ZIP codes

  1. Blair Hunt, AGCNS-BCWyoming, MI 495191386472603
  2. Lisa McCann-Spry, MSN RN AGCNS-BC ONCGrand Rapids, MI 495061144873845
  3. Chad Galdys, MSN, APRN, AGCNS-BCGrand Rapids, MI 495031750934451
  4. Brandaln Miller, AGCNS-BCGrand Rapids, MI 495031750095782
  5. Ashley Perkins, CNSGrand Rapids, MI 495031255983136
  6. Tiara Rudzinski, AG-CNS BCGrand Rapids, MI 495031346078052
  7. Amanda Tomes, AGCNS-BCGrand Rapids, MI 495031609480219
  8. Lynn Vanregenmorter, MSNGrand Rapids, MI 495031578116273

Common questions

What is Stephanie C. Mullennix, RN, CEN, AGCNS-BC's NPI number?

Stephanie C. Mullennix, RN, CEN, AGCNS-BC's National Provider Identifier (NPI) is 1134773468, issued on Jul 25, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie C. Mullennix, RN, CEN, AGCNS-BC located?

The NPPES record lists a practice address at 4100 Embassy Dr SE Ste 400, Grand Rapids, MI, 49546. Phone: (616) 988-8233. Providers update this record themselves, so call before visiting.

How can I verify Stephanie C. Mullennix, RN, CEN, AGCNS-BC's license?

NPPES lists Michigan license number 4704230534, as entered by the provider. Search the Michigan 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.