NPPES file of Aug 9, 2026

Rebecca L. McCollaum, A.P.R.N.

Family Nurse Practitioner · Mesa, AZ

Rebecca L. McCollaum, A.P.R.N. is a family nurse practitioner with a practice address in Mesa, Arizona, and NPI 1669658969, issued on Jan 16, 2008. Check the license (Arizona AP3681, as entered in NPPES) with the Arizona 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
1669658969
Name
Rebecca L. McCollaum
Credential
A.P.R.N.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP3681 AZ
Self-reported in NPPES; status is on the state search
Practice location
603 W Baseline RD Ste 200, Mesa, AZ 85210
Phone
(480) 461-1088
Enumerated
Jan 16, 2008
Record last updated
Nov 27, 2023
Fax
(480) 461-1657
Medicare enrollment
Enrolled (PECOS I20111027000354); 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

Also registered at 603 W Baseline RD Ste 200

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

  1. Philip Foutch, D.O.Gastroenterology Physician1790746717
  2. Brian Fung, MDGastroenterology Physician1366974164
  3. Andrew Grade, M.D.Gastroenterology Physician1881655819
  4. Nilay Kavathia, M.DGastroenterology Physician1174796999
  5. Sumir Patel, M.D.Gastroenterology Physician1801858113
  6. Laurie Peterson, P.A.Medical Physician Assistant1205898715

Verify Rebecca L. McCollaum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license AP3681
    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 Arizona 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.

92% fewer Medicare Part D claims than the average family nurse practitioner in 2024

105 Medicare Part D claims for 21 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Rebecca McCollaum105
  2. Specialty average1,305

Most prescribed

  1. Stelara13 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: $62,932.60

249 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rebecca McCollaum$62,933
  2. Specialty average$651

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. Arizona Digestive Health PCMesa, AZ

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

Rebecca L. McCollaum among 5,933 family nurse practitioner records in Arizona

Rebecca L. McCollaum, A.P.R.N. is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 12% of them.

  • NPI issued2008 · 12% of these records are older, 86% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2007 · median 2019 among the 3,510 with a school on file
  • Record last updated2023 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

391 family nurse practitioner records list a practice address in Mesa

They are 391 of the 9,151 NPPES records with a practice address in Mesa, and 5,933 family nurse practitioner records in Arizona.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kathryn Andrysiak, N.P.Mesa, AZ 852101518112168
  2. Joan ArdavanisMesa, AZ 852101508249061
  3. Virginia Backman, R.N., F.N.P.Mesa, AZ 852101205058997
  4. Colleen Beaufils, APRN, FNP-CMesa, AZ 852101699197046
  5. Jamie Bohannon, APRN-RXMesa, AZ 852101710229406
  6. Ambrosia Boyd, FNPMesa, AZ 852101336647692
  7. Fionnuala Brown, NPMesa, AZ 852101912375783
  8. Alexandra Ebong, DNP, FNP-CMesa, AZ 852101831680305

Common questions

What is Rebecca L. McCollaum, A.P.R.N.'s NPI number?

Rebecca L. McCollaum, A.P.R.N.'s National Provider Identifier (NPI) is 1669658969, issued on Jan 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca L. McCollaum, A.P.R.N. located?

The NPPES record lists a practice address at 603 W Baseline RD Ste 200, Mesa, AZ, 85210. Phone: (480) 461-1088. Providers update this record themselves, so call before visiting.

How can I verify Rebecca L. McCollaum, A.P.R.N.'s license?

NPPES lists Arizona license number AP3681, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Rebecca L. McCollaum, A.P.R.N. prescribe under Medicare Part D?

In 2024, Rebecca L. McCollaum, A.P.R.N. had 105 Medicare Part D claims for 21 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

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.