NPPES file of Aug 9, 2026

Mazen Elyan, MD

Rheumatology Physician · Crestview Hills, KY

Mazen Elyan, MD is a rheumatology physician with a practice address in Crestview Hills, Kentucky, and NPI 1104978048, issued on Jan 18, 2007. Check the license (Kentucky 52243, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104978048
Name
Mazen Elyan
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
52243 KY
01072711A IN
35085724 OH
Self-reported in NPPES; status is on the state search
Practice location
651 Centre View Boulevard, Crestview Hills, KY 41017
Phone
(859) 344-1900
Enumerated
Jan 18, 2007
Record last updated
Apr 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(859) 344-4632
Medicare enrollment
Enrolled (PECOS I20131021001763); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 651 Centre View Boulevard

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shannon Bowen, APRNNurse Practitioner1104463793
  2. Grant Breazeale, M.D.Pulmonary Disease Physician1922119122
  3. Suma Chennubhotla, M.D.Gastroenterology Physician1235420621
  4. Parth Shah, M.D.Pulmonary Disease Physician1497312573
  5. Shine Vazhappilly, M.D.Rheumatology Physician1790351781
  6. William Willmott, MDSleep Medicine (Internal Medicine) Physician1447286455

Verify Mazen Elyan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 52243
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kentucky license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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1% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,956 Medicare Part D claims for 250 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 47 claims were for opioids.

  1. Mazen Elyan1,956
  2. Specialty average1,978

Most prescribed

  1. Methotrexate210 claims
  2. Prednisone176 claims
  3. Hydroxychloroquine Sulfate163 claims
  4. Gabapentin131 claims
  5. Alendronate Sodium121 claims
  6. Leflunomide114 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): 90.4 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.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $134.42

6 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.

  1. Mazen Elyan$134.42
  2. Specialty average$8,538.33

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

  1. Summit Medical Group IncGreendale, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

15 rheumatology physician records list a practice address in Crestview Hills

They are 15 of the 445 NPPES records with a practice address in Crestview Hills, and 88 rheumatology physician records in Kentucky.

Other rheumatology physician records in Kentucky

  1. Syed Abbas, M.D.Lexington, KY1982658902
  2. Mansoor Ahmed, MDRichmond, KY1023058302
  3. Elaine Alexander, M.D.Lexington, KY1093159022
  4. Reem Alkilany, MDLexington, KY1730633173
  5. Izabela Antic, DOLexington, KY1295296945
  6. David Armstrong, D.O.Louisville, KY1487852349
  7. Billy Bailey, MDPaducah, KY1396730552
  8. Amna Batool, MBBSLexington, KY1952751703
  9. William Beers, M.D.Florence, KY1467409656
  10. Tristan Blackburn, M.D.Louisville, KY1417176249

Common questions

What is Mazen Elyan, MD's NPI number?

Mazen Elyan, MD's National Provider Identifier (NPI) is 1104978048, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mazen Elyan, MD located?

The NPPES record lists a practice address at 651 Centre View Boulevard, Crestview Hills, KY, 41017. Phone: (859) 344-1900. Providers update this record themselves, so call before visiting.

How can I verify Mazen Elyan, MD's license?

NPPES lists Kentucky license number 52243, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mazen Elyan, MD prescribe under Medicare Part D?

In 2024, Mazen Elyan, MD had 1,956 Medicare Part D claims for 250 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Mazen Elyan, MD's MIPS final score?

The 2023 MIPS final score is 90.4 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.