Gregory Wade Horn, M.D.
Obstetrics & Gynecology Physician · Ocean Springs, MS
Gregory Wade Horn, M.D. is an obstetrics & gynecology physician with a practice address in Ocean Springs, Mississippi, and NPI 1659371128, issued on Jul 27, 2005. Check the license (Mississippi 15343, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Gregory Wade Horn
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 15343 MS
021971 LA
Self-reported in NPPES; status is on the state search - Practice location
- 21 Doctors Dr, Ocean Springs, MS 39564
- Phone
- (228) 872-1505
- Enumerated
- Jul 27, 2005
- Record last updated
- Oct 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (228) 872-8575
- Medicaid ID
- 00118187 MS
- Medicare enrollment
- Enrolled (PECOS I20040423000930); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 1993
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 326 in Mississippi → Look up another NPI →
Also registered at 21 Doctors Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Beck, NP-CFamily Nurse Practitioner1972111409
- Jeremy Bertrand, DOObstetrics & Gynecology Physician1194266536
- William Moore, M.D.Obstetrics & Gynecology Physician1932133345
- Jennifer RhoadesLactation Consultant (Registered Nurse)1962867523
Verify Gregory Wade Horn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 15343Check 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 obstetrics & gynecology physician in 2024
819 Medicare Part D claims for 152 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Estradiol222 claims
- Alprazolam63 claims
- Clotrimazole-Betamethasone46 claims
- Fluconazole41 claims
- Medroxyprogesterone Acetate41 claims
- Valacyclovir21 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: $218.04
12 payments; by number, the most common kind was food and beverage; the largest payer was Ethicon US, LLC. 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 one group practice
- Mississippi Coast Ob/gyn, P.A.Ocean Springs, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Wade Horn among 326 obstetrics & gynecology physician records in Mississippi
Gregory Wade Horn, M.D. is one of 326 obstetrics & gynecology physician records with a practice address in Mississippi. 80% 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, 91% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1993 · median 1999 among the 213 with a school on file
- Record last updated2010 · 66% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 obstetrics & gynecology physician records list a practice address in Ocean Springs
They are 9 of the 692 NPPES records with a practice address in Ocean Springs, and 326 obstetrics & gynecology physician records in Mississippi.
All 326 in Mississippi → Every provider in Ocean Springs → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jeremy Bertrand, DOOcean Springs, MS 395641194266536
- Laci Bishop, PAOcean Springs, MS 395641760293583
- Michael Christie, MDOcean Springs, MS 395641033207360
- Lynsey Cox, M.D.Ocean Springs, MS 395641487941225
- William Moore, M.D.Ocean Springs, MS 395641932133345
- Bradley Sams, M.D.Ocean Springs, MS 395641386689404
- Sheli SamsOcean Springs, MS 395641134159866
- Aimee Watts, M.D.Ocean Springs, MS 395641568683878
Common questions
What is Gregory Wade Horn, M.D.'s NPI number?
Gregory Wade Horn, M.D.'s National Provider Identifier (NPI) is 1659371128, issued on Jul 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Wade Horn, M.D. located?
The NPPES record lists a practice address at 21 Doctors Dr, Ocean Springs, MS, 39564. Phone: (228) 872-1505. Providers update this record themselves, so call before visiting.
How can I verify Gregory Wade Horn, M.D.'s license?
NPPES lists Mississippi license number 15343, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Wade Horn, M.D. prescribe under Medicare Part D?
In 2024, Gregory Wade Horn, M.D. had 819 Medicare Part D claims for 152 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.