NPPES file of Aug 9, 2026

Mark W. Dersch, MD

Urology Physician · Ocala, FL

Mark W. Dersch, MD is a urology physician with a practice address in Ocala, Florida, and NPI 1538119151, issued on May 12, 2006. Check the license (Florida ME66575, as entered in NPPES) on the Florida health license search; 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
1538119151
Name
Mark W. Dersch
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
ME66575 FL
Self-reported in NPPES; status is on the state search
Practice location
1901 SE 18TH Ave, Ocala, FL 34471
Phone
(352) 351-1313
Enumerated
May 12, 2006
Record last updated
Dec 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(352) 351-1927
Medicare enrollment
Enrolled (PECOS I20090102000232); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1989
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 1901 SE 18TH Ave

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

  1. Robert Barish, M.D.Gastroenterology Physician1538197165
  2. Debbi Croley, ARNPNurse Practitioner1538544531
  3. David Cunningham, MDUrology Physician1891891594
  4. Jared Destackelberg, PAPhysician Assistant1104136399
  5. Antonio Disclafani, MDNeurological Surgery Physician1497843254
  6. Stephanie Heald, APRNFamily Nurse Practitioner1184347858

Verify Mark W. Dersch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME66575
    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 Florida 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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3.1 times the Medicare Part D claims of the average urology physician in 2024

4,200 Medicare Part D claims for 1,019 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 45 claims were for opioids.

  1. Mark Dersch4,200
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl1,273 claims
  2. Finasteride832 claims
  3. Dutasteride498 claims
  4. Alfuzosin Hcl Er187 claims
  5. Solifenacin Succinate185 claims
  6. Silodosin132 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,715.56

69 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Dersch$1,715.56
  2. Specialty average$3,800.04

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. Advanced Urology Institute LLCOcala, FL

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

Mark W. Dersch among 1,020 urology physician records in Florida

Mark W. Dersch, MD is one of 1,020 urology physician records with a practice address in Florida. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 44% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1989 · median 1999 among the 721 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Florida

There are 1,020 urology physician records in Florida.

The 8 urology physician records with the nearest ZIP codes

  1. Joseph Cline, MDOcala, FL 344711801356720
  2. David Cunningham, MDOcala, FL 344711891891594
  3. Charles King, M.D.Ocala, FL 344711871591388
  4. Edward King, MDOcala, FL 344711205834728
  5. Andrew Leone, M.D.Ocala, FL 344711891013157
  6. Jack Paulk, MDOcala, FL 344711700836525
  7. Dinesh Rao, MDOcala, FL 344711033169859
  8. Harvey Taub, MDOcala, FL 344711679523294

Common questions

What is Mark W. Dersch, MD's NPI number?

Mark W. Dersch, MD's National Provider Identifier (NPI) is 1538119151, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark W. Dersch, MD located?

The NPPES record lists a practice address at 1901 SE 18TH Ave, Ocala, FL, 34471. Phone: (352) 351-1313. Providers update this record themselves, so call before visiting.

How can I verify Mark W. Dersch, MD's license?

NPPES lists Florida license number ME66575, 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 Mark W. Dersch, MD prescribe under Medicare Part D?

In 2024, Mark W. Dersch, MD had 4,200 Medicare Part D claims for 1,019 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

What is Mark W. Dersch, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.