NPPES file of Aug 9, 2026

Karyn Rochelle McCollum, NP

Nurse Practitioner · Grand Rapids, MI

Karyn Rochelle McCollum, NP is a nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1275884454, issued on Sep 27, 2012. Check the license (Michigan 4704249006, 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
1275884454
Name
Karyn Rochelle McCollum
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
4704249006 MI
Self-reported in NPPES; status is on the state search
Practice location
221 Michigan St NE, Grand Rapids, MI 49503
Phone
(616) 391-8635
Enumerated
Sep 27, 2012
Record last updated
Sep 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(616) 391-8621
Medicare enrollment
Enrolled (PECOS I20130118000314); 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 nurse practitioner records → All 3,574 in Michigan → Look up another NPI →

Also registered at 221 Michigan St NE

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

  1. Marcy Adams, NP-CFamily Nurse Practitioner1366770505
  2. Brice Blatz, MD, MSSurgery Physician1770745309
  3. Annette Broersma, NP-CNurse Practitioner1043300791
  4. Stephen Burgess, M.D.Orthopaedic Surgery Physician1225480890
  5. Lani Cantu, N.P.Women's Health Clinical Nurse Specialist1699966119
  6. Anna Chetrick, RDRegistered Dietitian1427308949

Verify Karyn Rochelle McCollum 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 4704249006    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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88% fewer Medicare Part D claims than the average nurse practitioner in 2024

138 Medicare Part D claims for 75 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Karyn McCollum138
  2. Specialty average1,109

Most prescribed

  1. Ssd21 claims
  2. Silver Sulfadiazine14 claims
  3. Clotrimazole-Betamethasone13 claims
  4. Doxycycline Monohydrate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $20.67

1 payment: food and beverage; the largest payer was Mentor Worldwide LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karyn McCollum$20.67
  2. Specialty average$791.64

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

Bills Medicare through one group practice

  1. Muskegon Surgical Associates PCMuskegon, MI

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

Karyn Rochelle McCollum among 3,574 nurse practitioner records in Michigan

Karyn Rochelle McCollum, NP is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 31% of them.

  • NPI issued2012 · 31% of these records are older, 65% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2012 · median 2017 among the 1,983 with a school on file
  • Record last updated2012 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

275 nurse practitioner records list a practice address in Grand Rapids

They are 275 of the 18,005 NPPES records with a practice address in Grand Rapids, and 3,574 nurse practitioner records in Michigan.

All 3,574 in Michigan → Every provider in Grand Rapids → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Gazelle Animalia, FNPGrand Rapids, MI 495031235145087
  2. Glenes Hamersma, GNP-CGrand Rapids, MI 495031841242898
  3. Teri Holwerda, NPGrand Rapids, MI 495031548289325
  4. Jean Koops, NPGrand Rapids, MI 495031710907472
  5. Karen Lindhout, NPGrand Rapids, MI 495031740200401
  6. Karen Meyer-Howe, CNPGrand Rapids, MI 495031609896836
  7. Kristine Niemeyer, MSN, NPGrand Rapids, MI 495031083728372
  8. Elizabeth Pierson, NPGrand Rapids, MI 495031972550952

Common questions

What is Karyn Rochelle McCollum, NP's NPI number?

Karyn Rochelle McCollum, NP's National Provider Identifier (NPI) is 1275884454, issued on Sep 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Karyn Rochelle McCollum, NP located?

The NPPES record lists a practice address at 221 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 391-8635. Providers update this record themselves, so call before visiting.

How can I verify Karyn Rochelle McCollum, NP's license?

NPPES lists Michigan license number 4704249006, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Karyn Rochelle McCollum, NP prescribe under Medicare Part D?

In 2024, Karyn Rochelle McCollum, NP had 138 Medicare Part D claims for 75 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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.