David Marshall Olson
Emergency Medicine Physician · Orlando, FL
David Marshall Olson is an emergency medicine physician with a practice address in Orlando, Florida, and NPI 1902300817, issued on Mar 23, 2018. Check the license (Florida OS17729, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- David Marshall Olson
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS17729 FL
Self-reported in NPPES; status is on the state search - Practice location
- 601 E Rollins St, Orlando, FL 32803
- Phone
- (407) 303-6413
- Enumerated
- Mar 23, 2018
- Record last updated
- Nov 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20210622002252); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,034 in Florida → Look up another NPI →
Also registered at 601 E Rollins St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Marshall Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS17729Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average emergency medicine physician in 2024
303 Medicare Part D claims for 225 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 76 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen59 claims
- Ondansetron Odt32 claims
- Nitrofurantoin Mono-Macro24 claims
- Cyclobenzaprine Hcl23 claims
- Dicyclomine Hcl13 claims
- Prednisone12 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.
Bills Medicare through 2 group practices
- Conway Hospital Emergency Professional ServicesConway, SC
- Paragon Emergency Services LLCThe Villages, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Marshall Olson among 4,034 emergency medicine physician records in Florida
David Marshall Olson 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 2018, is newer than 76% of them.
- NPI issued2018 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2018 · median 2013 among the 2,199 with a school on file
- Record last updated2024 · 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).
314 emergency medicine physician records list a practice address in Orlando
They are 314 of the 25,426 NPPES records with a practice address in Orlando, and 4,034 emergency medicine physician records in Florida.
All 4,034 in Florida → Every provider in Orlando → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
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- Vicki Friend, DOOrlando, FL 328031639167398
- Lundyn Fries, D.O.Orlando, FL 328031700091360
- Timothy Huschke, DOOrlando, FL 328031982692521
- Gerard Job, MDOrlando, FL 328031386632933
- Nesreen Kaufman, MDOrlando, FL 328031669405759
- Douglas McAdoo, M.D.Orlando, FL 328031881652808
Common questions
What is David Marshall Olson's NPI number?
David Marshall Olson's National Provider Identifier (NPI) is 1902300817, issued on Mar 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is David Marshall Olson located?
The NPPES record lists a practice address at 601 E Rollins St, Orlando, FL, 32803. Phone: (407) 303-6413. Providers update this record themselves, so call before visiting.
How can I verify David Marshall Olson's license?
NPPES lists Florida license number OS17729, 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 David Marshall Olson prescribe under Medicare Part D?
In 2024, David Marshall Olson had 303 Medicare Part D claims for 225 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.