Karen E. Zagar, M.D.
Rheumatology Physician · Palm Harbor, FL
Karen E. Zagar, M.D. is a rheumatology physician with a practice address in Palm Harbor, Florida, and NPI 1902889587, issued on Nov 28, 2005. Check the license (Florida ME92979, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Karen E. Zagar
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- ME92979 FL
Self-reported in NPPES; status is on the state search - Practice location
- 32615 US Highway 19 N, Palm Harbor, FL 34684
- Phone
- (727) 789-2784
- Enumerated
- Nov 28, 2005
- Record last updated
- Dec 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (727) 785-3537
- Medicare enrollment
- Enrolled (PECOS I20050622000220); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 494 in Florida → Look up another NPI →
Also registered at 32615 US Highway 19 N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Adams, RN, CRRNRegistered Nurse1710138730
- Margaret Allen, ARNPRegistered Nurse1427094127
- Roger Altman, M.D.MOHS-Micrographic Surgery Physician1003898099
- Kathryn Lowenstein, OTRHand Occupational Therapist1699898999
- Mitchell Lowenstein, M.D.Specialist1326041344
- Tatiana Nagibina, M.D.Rheumatology Physician1003876756
Verify Karen E. Zagar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME92979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average rheumatology physician in 2024
2,080 Medicare Part D claims for 311 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 288 claims were for opioids.
Most prescribed
- Methotrexate326 claims
- Hydroxychloroquine Sulfate203 claims
- Prednisone179 claims
- Tramadol Hcl168 claims
- Hydrocodone-Acetaminophen86 claims
- Folic Acid71 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.
The MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,475.29
172 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 one group practice
- Arthritis Center IncPalm Harbor, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen E. Zagar among 494 rheumatology physician records in Florida
Karen E. Zagar, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1985 · median 2003 among the 362 with a school on file
- Record last updated2016 · 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 Palm Harbor → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Corin Agoris, MDPalm Harbor, FL 346841801389226
- Rohan Chawla, M.D.Palm Harbor, FL 346841437442183
- Tatiana Nagibina, M.D.Palm Harbor, FL 346841003876756
- Gina Raptoulis, D.O.Palm Harbor, FL 346841124323860
- Anthony Sebba, MDPalm Harbor, FL 346841629077243
- Anjali ShettyPalm Harbor, FL 346841720303555
- Rodney Daniel, MD MSCROldsmar, FL 346771912094822
- Christopher LeOldsmar, FL 346771508399577
Common questions
What is Karen E. Zagar, M.D.'s NPI number?
Karen E. Zagar, M.D.'s National Provider Identifier (NPI) is 1902889587, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen E. Zagar, M.D. located?
The NPPES record lists a practice address at 32615 US Highway 19 N, Palm Harbor, FL, 34684. Phone: (727) 789-2784. Providers update this record themselves, so call before visiting.
How can I verify Karen E. Zagar, M.D.'s license?
NPPES lists Florida license number ME92979, 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 Karen E. Zagar, M.D. prescribe under Medicare Part D?
In 2024, Karen E. Zagar, M.D. had 2,080 Medicare Part D claims for 311 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Karen E. Zagar, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.