Michael Hassert, MSN, APN, AGNP-C
NPI 1972119014 · Adult Health Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hassert, MSN, APN, AGNP-C is a Adult Health Nurse Practitioner provider in Saint Louis, MO (NPI 1972119014).
Provider details
- NPI number
- 1972119014
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APN, AGNP-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2023007556 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,302 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 468 | $88 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 454 | $60 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 239 | $125 |
| Advance Care Planning, First 30 Minutes99497 | 127 | $61 |
| Nursing Facility Discharge Day Management, 30 Minutes Or Less99315 | 14 | $66 |
Typical Medicare-allowed amounts for these services range $60–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 185 | 12 |
| Lisinopril | 120 | — |
| Gabapentin | 117 | — |
| Furosemide | 74 | — |
| Enalapril Maleate | 61 | — |
| Amlodipine Besylate | 58 | — |
| Memantine Hcl | 52 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-22
- Last updated
- 2024-03-15
- Certified
- 2024-03-15
Frequently asked questions
- What is Michael Hassert's NPI number?
- Michael Hassert's National Provider Identifier (NPI) is 1972119014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hassert's specialty?
- Michael Hassert is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Hassert located?
- Michael Hassert's practice location on file with NPPES is 6637 Berthold Ave, Saint Louis, MO 63139-3318.
- What is Michael Hassert's phone number?
- The practice phone number listed in the NPPES registry for Michael Hassert is (573) 247-9982.
- Does Michael Hassert accept Medicare?
- Michael Hassert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hassert's NPI active?
- Yes — Michael Hassert's NPI (1972119014) is active in the NPPES registry as of the last update on 2024-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.