Melissa Nichole Holtz, MD
Obstetrics & Gynecology Physician · Sioux City, IA
Melissa Nichole Holtz, MD is an obstetrics & gynecology physician with a practice address in Sioux City, Iowa, and NPI 1427254002, issued on Jun 21, 2007. Check the license (Iowa 39393, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Melissa Nichole Holtz
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 39393 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2730 Pierce St Ste 201, Sioux City, IA 51104
- Phone
- (712) 277-3141
- Enumerated
- Jun 21, 2007
- Record last updated
- Oct 18, 2022
- Fax
- (712) 277-2645
- Medicaid IDs
- 1427254002 IA
1427254002 NE
1427254002 SD - Medicare enrollment
- Enrolled (PECOS I20130411000473); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2007
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 339 in Iowa → Look up another NPI →
Also registered at 2730 Pierce St Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Eastman, M.D.Obstetrics & Gynecology Physician1295732139
- Tauhni Hunt, M.D.Obstetrics & Gynecology Physician1962409862
- Chandler KasuskeObstetrics & Gynecology Physician1831684992
- Emily Oberle, DOObstetrics & Gynecology Physician1265057533
Verify Melissa Nichole Holtz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 39393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
67 Medicare Part D claims for 26 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Medroxyprogesterone Acetate17 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: $264.93
14 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Siouxland Community Health CenterSioux City, IA
- Siouxland Obstetrics And Gynecology PCSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Nichole Holtz among 339 obstetrics & gynecology physician records in Iowa
Melissa Nichole Holtz, MD 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. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 41% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2007 · median 2006 among the 188 with a school on file
- Record last updated2022 · 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.
All 339 in Iowa → Every provider in Sioux City → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Angela Aldrich, M.D.Sioux City, IA 511041679570576
- Hannah Dewald, M.D.Sioux City, IA 511041790040269
- Paul Eastman, M.D.Sioux City, IA 511041295732139
- Alfred Fleming, M.D.Sioux City, IA 511041790893550
- Tauhni Hunt, M.D.Sioux City, IA 511041962409862
- Chandler KasuskeSioux City, IA 511041831684992
- Emily Oberle, DOSioux City, IA 511041265057533
- Kevin Hamburger, M.D.Sioux City, IA 511051114919909
Common questions
What is Melissa Nichole Holtz, MD's NPI number?
Melissa Nichole Holtz, MD's National Provider Identifier (NPI) is 1427254002, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Nichole Holtz, MD located?
The NPPES record lists a practice address at 2730 Pierce St Ste 201, Sioux City, IA, 51104. Phone: (712) 277-3141. Providers update this record themselves, so call before visiting.
How can I verify Melissa Nichole Holtz, MD's license?
NPPES lists Iowa license number 39393, 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 Melissa Nichole Holtz, MD prescribe under Medicare Part D?
In 2024, Melissa Nichole Holtz, MD had 67 Medicare Part D claims for 26 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.