Katherine C. Walz, APRN
Family Nurse Practitioner · Mesa, AZ
Katherine C. Walz, APRN is a family nurse practitioner with a practice address in Mesa, Arizona, and NPI 1447642624, issued on Feb 25, 2015. Check the license (Arizona AP7611, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine C. Walz
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AP7611 AZ
RN163732 AZ
7242 CT
Self-reported in NPPES; status is on the state search - Practice location
- 4838 E Baseline RD Ste 110, Mesa, AZ 85206
- Phone
- (480) 969-4040
- Enumerated
- Feb 25, 2015
- Record last updated
- Mar 26, 2026
- Fax
- (480) 295-3722
- Medicare enrollment
- Enrolled (PECOS I20150430002560); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 4838 E Baseline RD Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Travis Gunville, DCChiropractor1134708183
- David Newsham, DCChiropractor1073200051
Verify Katherine C. Walz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP7611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.0 times the Medicare Part D claims of the average family nurse practitioner in 2024
6,529 Medicare Part D claims for 519 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 268 claims were for opioids.
Most prescribed
- Levothyroxine Sodium346 claims
- Atorvastatin Calcium303 claims
- Lisinopril245 claims
- Rosuvastatin Calcium216 claims
- Metformin Hcl177 claims
- Amlodipine Besylate173 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: $244.06
14 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Neurology America LLCMesa, AZ
- Verve Medical Group LLCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine C. Walz among 5,933 family nurse practitioner records in Arizona
Katherine C. Walz, APRN 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 2015, is newer than 31% of them.
- NPI issued2015 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2019 among the 3,510 with a school on file
- Record last updated2026 · 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.
All 5,933 in Arizona → Every provider in Mesa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Laurie Ahrendt, FNPMesa, AZ 852061881813186
- Alene Frycek, NPMesa, AZ 852061205866902
- Candice Gaitanis, CFNP, ARNPMesa, AZ 852061750629572
- Helen Hayden, FNP-CMesa, AZ 852061700161791
- Nicole Holthouse, FNP-CMesa, AZ 852061548397748
- Kathleen McBride, CRNA, FNPMesa, AZ 852061336344514
- Tina Menghe, FNP-BCMesa, AZ 852061235343120
- Judith Newell, FNP-BCMesa, AZ 852061134140064
Common questions
What is Katherine C. Walz, APRN's NPI number?
Katherine C. Walz, APRN's National Provider Identifier (NPI) is 1447642624, issued on Feb 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katherine C. Walz, APRN located?
The NPPES record lists a practice address at 4838 E Baseline RD Ste 110, Mesa, AZ, 85206. Phone: (480) 969-4040. Providers update this record themselves, so call before visiting.
How can I verify Katherine C. Walz, APRN's license?
NPPES lists Arizona license number AP7611, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine C. Walz, APRN prescribe under Medicare Part D?
In 2024, Katherine C. Walz, APRN had 6,529 Medicare Part D claims for 519 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.