Michael Oliver Hessel, PA-C
Physician Assistant · Saint Louis, MO
Michael Oliver Hessel, PA-C is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1902312259, issued on Dec 22, 2017. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Oliver Hessel
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 520 S Elm Ave, Saint Louis, MO 63119
- Phone
- (314) 645-4434
- Enumerated
- Dec 22, 2017
- Record last updated
- Mar 3, 2022
- Fax
- (314) 645-3801
- Medicare enrollment
- Enrolled (PECOS I20180703000751); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 520 S Elm Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Trisha Specter, PA-CPhysician Assistant1538552120
Verify Michael Oliver Hessel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average physician assistant in 2024
1,924 Medicare Part D claims for 245 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Methotrexate374 claims
- Hydroxychloroquine Sulfate301 claims
- Prednisone140 claims
- Folic Acid126 claims
- Leflunomide125 claims
- Azathioprine99 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: $3,728.36
195 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Clayton Medical Associates PCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
498 physician assistant records list a practice address in Saint Louis
They are 498 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,790 physician assistant records in Missouri.
All 498 in Saint Louis → All 1,790 in Missouri → Every provider in Saint Louis →
Other physician assistant records in Missouri
- Makenzie Abbott, PA-CJefferson City, MO1003436585
- Muhannad Abdin, PA-CJoplin, MO1528859808
- Dana Abdullahi, PA-CKansas City, MO1285199729
- Kelbie Abercrombie, PA-CSpringfield, MO1124323001
- Melissa Abramovitz, PASpringfield, MO1255638003
- Haile AbrhaKansas City, MO1730853367
- Nada Abusalim, PA-CColumbia, MO1194434084
- Sierra AckerSaint Louis, MO1942142468
- Elaina Adams, PA-C LAT ATCColumbia, MO1134836406
- James Adams, PAJoplin, MO1831126788
Common questions
What is Michael Oliver Hessel, PA-C's NPI number?
Michael Oliver Hessel, PA-C's National Provider Identifier (NPI) is 1902312259, issued on Dec 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Michael Oliver Hessel, PA-C located?
The NPPES record lists a practice address at 520 S Elm Ave, Saint Louis, MO, 63119. Phone: (314) 645-4434. Providers update this record themselves, so call before visiting.
How can I verify Michael Oliver Hessel, PA-C's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Oliver Hessel, PA-C prescribe under Medicare Part D?
In 2024, Michael Oliver Hessel, PA-C had 1,924 Medicare Part D claims for 245 beneficiaries; the average among physician assistant prescribers was 830. 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.