Gregory W. Halbur, M.D.
Family Medicine Physician · Sioux City, IA
Gregory W. Halbur, M.D. is a family medicine physician with a practice address in Sioux City, Iowa, and NPI 1780624205, issued on Jun 7, 2006. Check the license (Iowa 29360, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Gregory W. Halbur
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 29360 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3520 Singing Hills Blvd, Sioux City, IA 51106
- Phone
- (712) 294-7400
- Enumerated
- Jun 7, 2006
- Record last updated
- Apr 19, 2024
- Fax
- (712) 294-7436
- Medicaid IDs
- 4102244 IA
42128384914 IA
7774480 IA - Medicare enrollment
- Enrolled (PECOS I20230405000683); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 3520 Singing Hills Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Daniels, M.D.Internal Medicine Physician1972558229
- Rebecca Denton, FNP-CFamily Nurse Practitioner1073330049
- Richard Kipp, D.O.Family Medicine Physician1003874967
- Melissa Levering, FNP-BC, NP-CFamily Nurse Practitioner1699381160
- Kimberly Stowe, NURSE PRACTITIONERFamily Nurse Practitioner1447681176
Verify Gregory W. Halbur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 29360Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average family medicine physician in 2024
12,870 Medicare Part D claims for 845 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 113 claims were for opioids.
Most prescribed
- Atorvastatin Calcium836 claims
- Levothyroxine Sodium634 claims
- Lisinopril473 claims
- Amlodipine Besylate440 claims
- Metoprolol Succinate418 claims
- Losartan Potassium387 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: $59.92
1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals 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
- Iowa Physicians Clinic Medical FoundationDakota Dunes, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory W. Halbur among 2,336 family medicine physician records in Iowa
Gregory W. Halbur, M.D. 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1992 · median 2006 among the 1,367 with a school on file
- Record last updated2024 · 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
- Richard Andersen, DOSioux City, IA 511061467612267
- Amir Andrawis, M.D.Sioux City, IA 511061255303145
- Rodney Cassens, MDSioux City, IA 511061063455053
- Janice Galli, DOSioux City, IA 511061710948088
- Michael Jennings, MDSioux City, IA 511061528029170
- Jeffrey Kellogg, DOSioux City, IA 511061083657084
- Richard Kipp, D.O.Sioux City, IA 511061003874967
- Delna Lee, MDSioux City, IA 511061629039359
Common questions
What is Gregory W. Halbur, M.D.'s NPI number?
Gregory W. Halbur, M.D.'s National Provider Identifier (NPI) is 1780624205, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory W. Halbur, M.D. located?
The NPPES record lists a practice address at 3520 Singing Hills Blvd, Sioux City, IA, 51106. Phone: (712) 294-7400. Providers update this record themselves, so call before visiting.
How can I verify Gregory W. Halbur, M.D.'s license?
NPPES lists Iowa license number 29360, 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 Gregory W. Halbur, M.D. prescribe under Medicare Part D?
In 2024, Gregory W. Halbur, M.D. had 12,870 Medicare Part D claims for 845 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.