Ernst Markus Klaus, MB.CHB., FRCPC RHEUM
Rheumatology Physician · Lutz, FL
Ernst Markus Klaus, MB.CHB., FRCPC RHEUM is a rheumatology physician with a practice address in Lutz, Florida, and NPI 1639887771, issued on Nov 8, 2022. Check the license (Florida ME159520, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Ernst Markus Klaus
- Credential
- MB.CHB., FRCPC RHEUM
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- ME159520 FL
Self-reported in NPPES; status is on the state search - Practice location
- 2965 Pearson James Place, Lutz, FL 33559
- Phone
- (813) 214-5420
- Enumerated
- Nov 8, 2022
- Record last updated
- Jul 14, 2024
- Fax
- (813) 441-7825
- Medicare enrollment
- Enrolled (PECOS I20221215001843); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 494 in Florida → Look up another NPI →
Verify Ernst Markus Klaus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME159520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,104 Medicare Part D claims for 231 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Prednisone158 claims
- Hydroxychloroquine Sulfate137 claims
- Methotrexate113 claims
- Alendronate Sodium89 claims
- Meloxicam78 claims
- Leucovorin Calcium75 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: $3,657.04
169 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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 2 group practices
- American Arthritis And Rheumatology Associates LLCLutz, FL
- Arthritis Center IncPalm Harbor, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernst Markus Klaus among 494 rheumatology physician records in Florida
Ernst Markus Klaus, MB.CHB., FRCPC RHEUM is one of 494 rheumatology physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2000 · median 2003 among the 362 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Florida
There are 494 rheumatology physician records in Florida.
All 494 in Florida → Every provider in Lutz → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Sehreen Mumtaz, M.D.Lutz, FL 335591336670470
- Durkhani Mahboob, M.D.Plant City, FL 335631346577558
- Adriana Moncayo, M.DPlant City, FL 335631508215146
- Gina Prakash, M.D.Plant City, FL 335631659639573
- Shanmugapriya Reddy, MDRiverview, FL 335691710039045
- Jeanne Maiello, APRNSun City Center, FL 335731033793831
- Gabriel Martello, DOSun City Center, FL 335731780211904
- Vedashree Panthulu, M.D.Sun City Center, FL 335731750510723
Common questions
What is Ernst Markus Klaus, MB.CHB., FRCPC RHEUM's NPI number?
Ernst Markus Klaus, MB.CHB., FRCPC RHEUM's National Provider Identifier (NPI) is 1639887771, issued on Nov 8, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ernst Markus Klaus, MB.CHB., FRCPC RHEUM located?
The NPPES record lists a practice address at 2965 Pearson James Place, Lutz, FL, 33559. Phone: (813) 214-5420. Providers update this record themselves, so call before visiting.
How can I verify Ernst Markus Klaus, MB.CHB., FRCPC RHEUM's license?
NPPES lists Florida license number ME159520, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ernst Markus Klaus, MB.CHB., FRCPC RHEUM prescribe under Medicare Part D?
In 2024, Ernst Markus Klaus, MB.CHB., FRCPC RHEUM had 1,104 Medicare Part D claims for 231 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.