NPPES file of Aug 9, 2026

Casey James Hollensteiner, MD

Emergency Medicine Physician · Jacksonville Beach, FL

Casey James Hollensteiner, MD is an emergency medicine physician with a practice address in Jacksonville Beach, Florida, and NPI 1750517850, issued on Jun 3, 2009. Check the license (Florida ME149033, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750517850
Name
Casey James Hollensteiner
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
ME149033 FL
036130381 IL
2016038088 MO
R1223 TX
Self-reported in NPPES; status is on the state search
Practice location
707 1St St S Apt 403, Jacksonville Beach, FL 32250
Phone
(217) 653-3612
Enumerated
Jun 3, 2009
Record last updated
Nov 27, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Casey James Hollensteiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME149033
    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

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83% fewer Medicare Part D claims than the average emergency medicine physician in 2024

38 Medicare Part D claims for 26 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Casey Hollensteiner38
  2. Specialty average226

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.

Casey James Hollensteiner among 4,034 emergency medicine physician records in Florida

Casey James Hollensteiner, MD is one of 4,034 emergency medicine 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 2009, is newer than 49% of them.

  • NPI issued2009 · 49% of these records are older, 48% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Florida

There are 4,034 emergency medicine physician records in Florida.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Hassan Aboudan, M.D.Jacksonville, FL 322561063945541
  2. Barbara Drobina, DOJacksonville, FL 322441215094552
  3. Brynn McLaughlinJacksonville, FL 322441710663000
  4. Jorge Perez-Poveda, M.D.Jacksonville, FL 322561730436106
  5. Ramez Taher, M.D.Jacksonville, FL 322561730169863
  6. Andrew Daigle, MDJacksonville, FL 322571780692079
  7. Yvette McQueen, M.D.Jacksonville, FL 322571891760088
  8. Michael Shah, M.D.Jacksonville, FL 322571376986844

Common questions

What is Casey James Hollensteiner, MD's NPI number?

Casey James Hollensteiner, MD's National Provider Identifier (NPI) is 1750517850, issued on Jun 3, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Casey James Hollensteiner, MD located?

The NPPES record lists a practice address at 707 1St St S Apt 403, Jacksonville Beach, FL, 32250. Phone: (217) 653-3612. Providers update this record themselves, so call before visiting.

How can I verify Casey James Hollensteiner, MD's license?

NPPES lists Florida license number ME149033, 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 Casey James Hollensteiner, MD prescribe under Medicare Part D?

In 2024, Casey James Hollensteiner, MD had 38 Medicare Part D claims for 26 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.