NPPES file of Aug 9, 2026

Siegfried Karl Holz, M.D.

Diagnostic Radiology Physician · Lakeland, FL

Siegfried Karl Holz, M.D. is a diagnostic radiology physician with a practice address in Lakeland, Florida, and NPI 1932388915, issued on Oct 26, 2007. Check the license (Florida ME40704, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932388915
Name
Siegfried Karl Holz
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
ME40704 FL
Self-reported in NPPES; status is on the state search
Practice location
3830 S Florida Ave, Lakeland, FL 33813
Phone
(863) 646-8955
Enumerated
Oct 26, 2007
Record last updated
Mar 13, 2025
Fax
(863) 648-5216
Medicaid IDs
257741102 FL
257741100 FL
257741101 FL
257741103 FL
Medicare enrollment
Enrolled (PECOS I20110221000336); accepts Medicare assignment
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 3830 S Florida Ave

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

  1. Ned Panara, MDGastroenterology Physician1922082130

Verify Siegfried Karl Holz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME40704
    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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No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Bills Medicare through 4 group practices

  1. Diagnostic Centers OF America, LLPBoynton Beach, FL
  2. Dominion Imaging LLCOrlando, FL
  3. Elite Imaging LLCOrlando, FL
  4. Omni Healthcare, IncMelbourne, FL

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

Siegfried Karl Holz among 2,761 diagnostic radiology physician records in Florida

Siegfried Karl Holz, M.D. is one of 2,761 diagnostic radiology physician records with a practice address in Florida. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 37% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1977 · median 2002 among the 1,926 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 diagnostic radiology physician records list a practice address in Lakeland

They are 56 of the 5,099 NPPES records with a practice address in Lakeland, and 2,761 diagnostic radiology physician records in Florida.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Regina Ason, MDLakeland, FL 338051184940330
  2. Jaehoon Bang, M.D.Lakeland, FL 338051073856852
  3. Jorge Cabrera Lebron, MDLakeland, FL 338051841713138
  4. Travis Carter, MDLakeland, FL 338051437492840
  5. Bradley Davis, M.D.Lakeland, FL 338051801026893
  6. Matthew Del Giudice, M.D.Lakeland, FL 338051740446582
  7. Kirsten Emery Nicholas, M.D.Lakeland, FL 338051467698464
  8. Yelena Kozirovsky, M.D.Lakeland, FL 338051003108085

Common questions

What is Siegfried Karl Holz, M.D.'s NPI number?

Siegfried Karl Holz, M.D.'s National Provider Identifier (NPI) is 1932388915, issued on Oct 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Siegfried Karl Holz, M.D. located?

The NPPES record lists a practice address at 3830 S Florida Ave, Lakeland, FL, 33813. Phone: (863) 646-8955. Providers update this record themselves, so call before visiting.

How can I verify Siegfried Karl Holz, M.D.'s license?

NPPES lists Florida license number ME40704, 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.

What is Siegfried Karl Holz, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.