Quick answers
- Which hospitals does Ernst M. Klaus work at?
- Medicare's official clinician data lists Ernst M. Klaus at 3 hospitals: AdventHealth Tampa, AdventHealth Wesley Chapel and Morton Plant Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ernst M. Klaus see patients?
- Medicare's clinician data lists 1 practice location in Lutz, FL. Call before your visit to confirm the address.
- What is Ernst M. Klaus's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Ernst M. Klaus accept Medicare assignment?
- Yes. Medicare's clinician data says Ernst M. Klaus accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Ernst M. Klaus offer telehealth?
- Medicare's clinician data says Ernst M. Klaus offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ernst M. Klaus?
- (813) 214-5420, as listed in official Medicare / NPI Registry data.
- What is Ernst M. Klaus's NPI number?
- 1639887771. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ernst M. Klaus works
Medicare's Facility Affiliation Data lists Ernst M. Klaus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth TampaTampa, FL · Acute Care Hospital · CCN 100173
- AdventHealth Wesley ChapelWesley Chapel, FL · Acute Care Hospital · CCN 100319
- Morton Plant HospitalClearwater, FL · Acute Care Hospital · CCN 100127
Practice locations
Addresses where Ernst M. Klaus is enrolled with Medicare (CMS data updated 2026-10-02).
- 2965 Pearson James PlaceLutz, FL 33559 (813) 214‑5420
Group practices
Medicare enrollment lists Ernst M. Klaus as a member of this group (CMS data updated 2026-10-02).
- American Arthritis and Rheumatology Associates LLC65 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Florida
Clinicians with the same Medicare primary specialty in Florida — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639887771 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians