Michael Hessel, PA-C
NPI 1902312259 · Physician Assistant · Saint Louis, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hessel, PA-C is a Physician Assistant provider in Saint Louis, MO (NPI 1902312259).
Provider details
- NPI number
- 1902312259
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 374 | 93 |
| Hydroxychloroquine Sulfate | 301 | 72 |
| Prednisone | 140 | 47 |
| Folic Acid | 126 | 31 |
| Leflunomide | 125 | 37 |
| Azathioprine | 99 | 22 |
| Gabapentin | 93 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,728 across 195 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-12-22
- Last updated
- 2022-03-03
- Certified
- 2022-03-03
Frequently asked questions
- What is Michael Hessel's NPI number?
- Michael Hessel's National Provider Identifier (NPI) is 1902312259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hessel's specialty?
- Michael Hessel is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Hessel located?
- Michael Hessel's practice location on file with NPPES is 520 S Elm Ave, Saint Louis, MO 63119-3845.
- What is Michael Hessel's phone number?
- The practice phone number listed in the NPPES registry for Michael Hessel is (314) 645-4434.
- Does Michael Hessel accept Medicare?
- Michael Hessel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hessel's NPI active?
- Yes — Michael Hessel's NPI (1902312259) is active in the NPPES registry as of the last update on 2022-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.