Joseph Hazan, MD
Obstetrics & Gynecology Physician · St Peters, MO
Joseph Hazan, MD is an obstetrics & gynecology physician with a practice address in St Peters, Missouri, and NPI 1881786960, issued on Sep 28, 2006. Check the license (Missouri 35321, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Joseph Hazan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 35321 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4200 N Cloverleaf Dr, St Peters, MO 63376
- Phone
- (636) 928-1800
- Enumerated
- Sep 28, 2006
- Entity
- Type 1 · individual
Also registered at 4200 N Cloverleaf Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Romulo Fajatin, MDInternal Medicine Physician1265497051
Verify Joseph Hazan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 35321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.3 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
613 Medicare Part D claims for 137 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D.
Most prescribed
- Alendronate Sodium234 claims
- Fluconazole60 claims
- Valacyclovir33 claims
- Metronidazole31 claims
- Vitamin D227 claims
- Clotrimazole-Betamethasone23 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: $99.02
4 payments, mostly food and beverage; the largest payer was Sumitomo Pharma America, Inc.. The 20,757 providers of this specialty with any payment received $1,147.37 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.
One hospital or facility affiliation
- Mcpherson Medical And Diagnostic LLCSaint Louis, MO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Obstetrics & Gynecology Physician providers in Missouri
There are 900 obstetrics & gynecology physician records in Missouri.
Other obstetrics & gynecology physician records in Missouri
- Ana Adams, DOKansas City, MO1962151613
- Pamela Adams, MDSaint Louis, MO1104116995
- Allie Adrian, MDSaint Louis, MO1205621596
- Mona Afrassiab, DOOsage Beach, MO1679572119
- Gabrielle AgcaoiliKansas City, MO1023909249
- Christoper Ahlering, M.D.Saint Louis, MO1760419485
- Sandra Ahlum, M.D.Hannibal, MO1427037183
- Nusrat Ahmad, MDSaint Louis, MO1114966348
- Natasha Ahmed, M.D.Kansas City, MO1861758716
- Najat Al-Sherri, M.D.Arnold, MO1407295298
Common questions
What is Joseph Hazan, MD's NPI number?
Joseph Hazan, MD's National Provider Identifier (NPI) is 1881786960, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Hazan, MD located?
The NPPES record lists a practice address at 4200 N Cloverleaf Dr, St Peters, MO, 63376. Phone: (636) 928-1800. Providers update this record themselves, so call before visiting.
How can I verify Joseph Hazan, MD's license?
NPPES lists Missouri license number 35321, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Hazan, MD prescribe under Medicare Part D?
In 2024, Joseph Hazan, MD had 613 Medicare Part D claims for 137 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.