NPPES file of Aug 9, 2026

Christopher Alan Hallmark, MD

Diagnostic Radiology Physician · Orlando, FL

Christopher Alan Hallmark, MD is a diagnostic radiology physician with a practice address in Orlando, Florida, and NPI 1063854354, issued on Jul 26, 2013. Check the license (Florida ME153593, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063854354
Name
Christopher Alan Hallmark
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
ME153593 FL
2018-02790 NC
35.125435 OH
MD444023 PA
Self-reported in NPPES; status is on the state search
Practice location
52 W Underwood St, Orlando, FL 32806
Phone
(321) 842-8475
Enumerated
Jul 26, 2013
Record last updated
Mar 27, 2023
Medicaid ID
113674000 FL
Medicare enrollment
Enrolled (PECOS I20220509000093); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2006
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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8 nearest diagnostic radiology physician records → All 2,761 in Florida → Look up another NPI →

Also registered at 52 W Underwood St

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

  1. Eric Addo, M.D.Diagnostic Radiology Physician1992141295
  2. Antonio AguileraDiagnostic Radiology Physician1497149462
  3. Lillian Aguirre, DNPAcute Care Clinical Nurse Specialist1790320422
  4. Feda Al AliInternal Medicine Physician1437563947
  5. Carlos Alburquerque Santana, CRNACertified Registered Nurse Anesthetist1801471990
  6. Stephen Amann, MDInternal Medicine Physician1144859992

Verify Christopher Alan Hallmark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME153593    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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Bills Medicare through 2 group practices

  1. Ohri LLCAltamonte Springs, FL
  2. Orlando Health Medical Group IncOrlando, FL

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

Christopher Alan Hallmark among 2,761 diagnostic radiology physician records in Florida

Christopher Alan Hallmark, MD 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 2013, is newer than 78% of them.

  • NPI issued2013 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2006 · median 2002 among the 1,926 with a school on file
  • Record last updated2023 · 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).

Diagnostic Radiology Physician providers in Florida

There are 2,761 diagnostic radiology physician records in Florida.

All 2,761 in Florida → Every provider in Orlando → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Alexander Azbel, MDOrlando, FL 328061134115959
  2. Allan Clayman, MDOrlando, FL 328061063409704
  3. Lawrence Colvin, MDOrlando, FL 328061568458370
  4. Joe FranklinOrlando, FL 328061871580514
  5. Mary Garrett, MDOrlando, FL 328061235126970
  6. Joseph Jones, MDOrlando, FL 328061043207798
  7. John Murphy, MDOrlando, FL 328061336136076
  8. Vijay Patange, MDOrlando, FL 328061982690624

Common questions

What is Christopher Alan Hallmark, MD's NPI number?

Christopher Alan Hallmark, MD's National Provider Identifier (NPI) is 1063854354, issued on Jul 26, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Alan Hallmark, MD located?

The NPPES record lists a practice address at 52 W Underwood St, Orlando, FL, 32806. Phone: (321) 842-8475. Providers update this record themselves, so call before visiting.

How can I verify Christopher Alan Hallmark, MD's license?

NPPES lists Florida license number ME153593, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.