Kristi D. Walz, MD
Family Medicine Physician · Sioux City, IA
Kristi D. Walz, MD is a family medicine physician with a practice address in Sioux City, Iowa, and NPI 1144214248, issued on Sep 2, 2005. Check the license (Iowa 33620, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Kristi D. Walz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 33620 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1021 Nebraska St, Sioux City, IA 51105
- Phone
- (712) 252-2477
- Enumerated
- Sep 2, 2005
- Record last updated
- Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (712) 252-5920
- Medicare enrollment
- Enrolled (PECOS I20070124000302); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1021 Nebraska St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roha AberaPrimary Care Nurse Practitioner1841928991
- Elena AlonsoPharmacist1033954623
- Shelly Backhaus, LISWClinical Social Worker1659607083
- Anthony Baird, DDSGeneral Practice Dentistry1962397893
- Marcelina Cockburn, CADCAddiction (Substance Use Disorder) Counselor1427419449
- Molly Earleywine, PAPhysician Assistant1912991183
Verify Kristi D. Walz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 33620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family medicine physician in 2024
10,761 Medicare Part D claims for 386 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 352 claims were for opioids.
Most prescribed
- Atorvastatin Calcium396 claims
- Gabapentin344 claims
- Levothyroxine Sodium337 claims
- Amlodipine Besylate275 claims
- Omeprazole267 claims
- Pantoprazole Sodium262 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: $93.35
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Siouxland Community Health CenterSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristi D. Walz among 2,336 family medicine physician records in Iowa
Kristi D. Walz, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2006 among the 1,367 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
88 family medicine physician records list a practice address in Sioux City
They are 88 of the 1,486 NPPES records with a practice address in Sioux City, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Sioux City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dylan Greene, M.DSioux City, IA 511051013355759
- Julia Heaton, MDSioux City, IA 511051205820305
- Michael Piplani, MDSioux City, IA 511051528060696
- Kelly Ryder, M.D.Sioux City, IA 511051205249562
- Tyler Wendel, D.O.Sioux City, IA 511051760821680
- Amjad Abdelhady, MDSioux City, IA 511041033966700
- Amir Andrawis, M.D.Sioux City, IA 511061255303145
- Fnu AnumSioux City, IA 511041144019944
Common questions
What is Kristi D. Walz, MD's NPI number?
Kristi D. Walz, MD's National Provider Identifier (NPI) is 1144214248, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kristi D. Walz, MD located?
The NPPES record lists a practice address at 1021 Nebraska St, Sioux City, IA, 51105. Phone: (712) 252-2477. Providers update this record themselves, so call before visiting.
How can I verify Kristi D. Walz, MD's license?
NPPES lists Iowa license number 33620, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kristi D. Walz, MD prescribe under Medicare Part D?
In 2024, Kristi D. Walz, MD had 10,761 Medicare Part D claims for 386 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.