Marcus Hemesath, D.O.
Obstetrics & Gynecology Physician · Saint Louis, MO
Marcus Hemesath, D.O. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1861831430, issued on Jun 17, 2013. Check the license (Missouri 2013018115, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Marcus Hemesath
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 2013018115 MO
Self-reported in NPPES; status is on the state search - Practice location
- 615 S New Ballas RD, Saint Louis, MO 63141
- Phone
- (314) 251-6462
- Enumerated
- Jun 17, 2013
- Record last updated
- Jun 17, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (314) 251-4492
- Medicare enrollment
- Enrolled (PECOS I20170614000117); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 615 S New Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wael Abduljaber, MDInternal Medicine Physician1174101489
- Frederick Abele, M.D.Anesthesiology Physician1346245354
- Jane Abele, CRNACertified Registered Nurse Anesthetist1578564647
- Joy Abu-Shanab, PHARM. D, BCPSPharmacotherapy Pharmacist1568532216
- Yaseen Adam, MDHospitalist Physician1932278587
Verify Marcus Hemesath 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 2013018115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
38 Medicare Part D claims for 17 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol11 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: $4,199.83
11 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, 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 one group practice
- Iowa Physicians Clinic Medical FoundationAnkeny, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcus Hemesath among 902 obstetrics & gynecology physician records in Missouri
Marcus Hemesath, D.O. is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.
- NPI issued2013 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2013 · median 2007 among the 528 with a school on file
- Record last updated2013 · 55% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
332 obstetrics & gynecology physician records list a practice address in Saint Louis
They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 902 obstetrics & gynecology physician records in Missouri.
All 902 in Missouri → Every provider in Saint Louis → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Robert Bale, M.D.Saint Louis, MO 631411477520823
- Adriena Beatty, D.O.Saint Louis, MO 631411043260979
- Robert Becker, MDSaint Louis, MO 631411609869239
- Kathryn Botney, M.D.Saint Louis, MO 631411003883430
- Alampur Kumari, M.D.Saint Louis, MO 631411760459424
- Carolyn Martin, M.D.Saint Louis, MO 631411669465134
- Marsha McBride, M.D.Saint Louis, MO 631411538136890
- Daniel McNeive, M.D.Saint Louis, MO 631411134194830
Common questions
What is Marcus Hemesath, D.O.'s NPI number?
Marcus Hemesath, D.O.'s National Provider Identifier (NPI) is 1861831430, issued on Jun 17, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Hemesath, D.O. located?
The NPPES record lists a practice address at 615 S New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 251-6462. Providers update this record themselves, so call before visiting.
How can I verify Marcus Hemesath, D.O.'s license?
NPPES lists Missouri license number 2013018115, 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 Marcus Hemesath, D.O. prescribe under Medicare Part D?
In 2024, Marcus Hemesath, D.O. had 38 Medicare Part D claims for 17 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.