NPPES file of Aug 9, 2026

Dean Michael Spartz, M.D.

Obstetrics & Gynecology Physician · Sioux City, IA

Dean Michael Spartz, M.D. is an obstetrics & gynecology physician with a practice address in Sioux City, Iowa, and NPI 1407848393, issued on Aug 17, 2005. Check the license (Iowa 24648, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407848393
Name
Dean Michael Spartz
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
24648 IA
Self-reported in NPPES; status is on the state search
Practice location
1000 Jackson St, Sioux City, IA 51105
Phone
(712) 252-0501
Enumerated
Aug 17, 2005
Record last updated
Oct 19, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(712) 252-2024
Medicaid IDs
7778450 SD
0028340 IA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 339 in Iowa → Look up another NPI →

Also registered at 1000 Jackson St

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

  1. Rena Avery, D.O.Obstetrics & Gynecology Physician1497043343
  2. Carole Dwyer, A.R.N.P.Women's Health Nurse Practitioner1548252331
  3. Kate Ferrell, MDObstetrics Physician1730717968
  4. Kevin Hamburger, M.D.Obstetrics & Gynecology Physician1114919909
  5. Danielle Hay, D.OObstetrics & Gynecology Physician1013228774
  6. Erin Hytrek, DPTPhysical Therapist1134271240

Verify Dean Michael Spartz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 24648    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
Open the Iowa 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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Dean Michael Spartz among 339 obstetrics & gynecology physician records in Iowa

Dean Michael Spartz, M.D. is one of 339 obstetrics & gynecology physician records with a practice address in Iowa. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 75% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Iowa

There are 339 obstetrics & gynecology physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 339 in Iowa → Every provider in Sioux City → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Rena Avery, D.O.Sioux City, IA 511051497043343
  2. Kevin Hamburger, M.D.Sioux City, IA 511051114919909
  3. Danielle Hay, D.OSioux City, IA 511051013228774
  4. Richard Ratino, M.D.Sioux City, IA 511051972595866
  5. Mary Schneider, M.D.Sioux City, IA 511051306838198
  6. William Vereen, D.O.Sioux City, IA 511051679565568
  7. Angela Aldrich, M.D.Sioux City, IA 511041679570576
  8. Hannah Dewald, M.D.Sioux City, IA 511041790040269

Common questions

What is Dean Michael Spartz, M.D.'s NPI number?

Dean Michael Spartz, M.D.'s National Provider Identifier (NPI) is 1407848393, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dean Michael Spartz, M.D. located?

The NPPES record lists a practice address at 1000 Jackson St, Sioux City, IA, 51105. Phone: (712) 252-0501. Providers update this record themselves, so call before visiting.

How can I verify Dean Michael Spartz, M.D.'s license?

NPPES lists Iowa license number 24648, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.