NPPES file of Aug 9, 2026

Zachary Ryan Tomczyk, NP

Acute Care Nurse Practitioner · Grand Rapids, MI

Zachary Ryan Tomczyk, NP is an acute care nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1083421622, issued on Dec 17, 2024. Check the license (Michigan 4704357676, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083421622
Name
Zachary Ryan Tomczyk
Credential
NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
4704357676 MI
Self-reported in NPPES; status is on the state search
Practice location
100 Michigan St NE Ste 8861, Grand Rapids, MI 49503
Phone
(616) 391-6588
Enumerated
Dec 17, 2024
Record last updated
Jun 23, 2025
Medicare enrollment
Enrolled (PECOS I20250506003181); 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.
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8 nearest acute care nurse practitioner records → All 865 in Michigan → Look up another NPI →

Also registered at 100 Michigan St NE Ste 8861

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

  1. Lindsey Cortez, NPNurse Practitioner1578056784
  2. Christopher Davis, PAPhysician Assistant1134884760
  3. Joseph Droppers, NP-CGerontology Nurse Practitioner1194307306
  4. Hannah Eves, PAPhysician Assistant1376009324
  5. Benjamin Grant, PA-CPhysician Assistant1114348737
  6. Noah Jentzen, M.D.Critical Care Medicine (Internal Medicine) Physician1508109034

Verify Zachary Ryan Tomczyk 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 4704357676    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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Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary Ryan Tomczyk among 865 acute care nurse practitioner records in Michigan

Zachary Ryan Tomczyk, NP is one of 865 acute care nurse practitioner records with a practice address in Michigan. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 88% of them.

  • NPI issued2024 · 88% of these records are older, 6% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2024 · median 2019 among the 597 with a school on file
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Michigan

There are 865 acute care nurse practitioner records in Michigan.

All 865 in Michigan → Every provider in Grand Rapids → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Tammy Bectel, NPGrand Rapids, MI 495031881119667
  2. Catherine Campbell, NPGrand Rapids, MI 495031932653730
  3. Sarah Darnell, ACNP-BC BSN RNGrand Rapids, MI 495031639416662
  4. Sarah Depas, PNPGrand Rapids, MI 495031518020395
  5. Latisha Deyoung, NPGrand Rapids, MI 495031659536688
  6. Jessica Guiles, NPGrand Rapids, MI 495031326392176
  7. Stephanie Haughey, NPGrand Rapids, MI 495031295071595
  8. Terri Kraft, NPGrand Rapids, MI 495031043295603

Common questions

What is Zachary Ryan Tomczyk, NP's NPI number?

Zachary Ryan Tomczyk, NP's National Provider Identifier (NPI) is 1083421622, issued on Dec 17, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Ryan Tomczyk, NP located?

The NPPES record lists a practice address at 100 Michigan St NE Ste 8861, Grand Rapids, MI, 49503. Phone: (616) 391-6588. Providers update this record themselves, so call before visiting.

How can I verify Zachary Ryan Tomczyk, NP's license?

NPPES lists Michigan license number 4704357676, 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.