Provider Profile
Michael L. Havenar, ACNP
Unclaimed ProfileAbout Michael Havenar
Michael L. Havenar, ACNP is a nurse practitioner — acute care based in Saint Louis, MO. According to Medicare claims data, Michael cared for 75 Medicare patients across 133 services. The services billed most often include critical care, first 30-74 minutes, critical care, each additional 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (800) 862-9980
- Email not available
Practice Locations
11133 DUNN RD DEPT ANESTHESIOLOGY
Saint Louis, MO 63136
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Acute Care generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Allergic reactions
Brain & Nerve
Brain & nerves
Digestive & Abdominal
- Abdominal Pain
- Acute gallbladder inflammation
- Acute pancreatitis
- Ascites
- Internal Bleeding
- Small-bowel obstruction
Digestive issues
Emergency care
General Acute Care
Heart & Circulation
- AFib
- Dangerous high blood pressure
- Deep vein thrombosis
- Heart attack
- Heart failure flare-up
- Shock
- Unexplained chest pain
Heart & circulation
Hormone & Metabolism
Infections
- Bone infection
- C. diff Infection
- Cellulitis
- Community-acquired pneumonia
- Kidney infection
- Meningitis
- Sepsis or blood infection
Kidney & Urinary
Liver & kidney
Lung & Breathing
- Blood Clot in Lung
- Collapsed lung
- COPD flare-up
- Fluid around the lungs
- Low oxygen levels
- Respiratory failure
- Severe asthma attack
- Shortness of breath
Post-Surgery Care
Surgical recovery
Trauma & injury
Procedures & services
Blood & Infusion
Bones & Joints
Brain & Nerve
Brain & nerve care
Breathing & lung support
Critical care
Critical Care Procedures
- Arterial catheter placement
- Central line placement
- Critical Care Consultation
- Emergency intubation
- Sepsis Treatment Protocol
Digestive & Abdominal
Emergency care
- Emergency epinephrine injection
- Emergency trauma evaluation
- Rapid response team evaluation
- Stomach pumping or activated charcoal
Follow-up & recovery
General Acute Care
Heart & Circulation
Kidney & Urinary
Lung & Chest
Medications & Monitoring
Pain management
Pain Management
Post-Surgery Care
Pre-Surgery
Surgical recovery
Testing & Monitoring
Vascular access
Wound & Injury
Wound & injury care
Procedures Most Often Billed to Medicare
133 services · 75 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
56 |
| Critical care, each additional 30 minutes | Office visit | 99292 |
55 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
22 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Saint Louis 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Michael L. Havenar specialize in?
Michael L. Havenar is a nurse practitioner in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Acute Care”.
NPI registry
Where is Michael L. Havenar located?
Michael L. Havenar is listed at 11133 Dunn Rd Dept Anesthesiology, Saint Louis, MO 63136. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Michael L. Havenar's phone number?
The number on file is (800) 862-9980. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Michael L. Havenar's NPI number?
Michael L. Havenar's National Provider Identifier is 1770723082. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Michael L. Havenar train?
Michael L. Havenar attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael L. Havenar been practicing?
Michael L. Havenar has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Michael L. Havenar do most often?
According to Medicare billing data, Michael L. Havenar the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Michael L. Havenar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael L. Havenar. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.