Chase Flaum, DO
Emergency Medicine Physician · Largo, FL
Chase Flaum, DO is an emergency medicine physician with a practice address in Largo, Florida, and NPI 1518464239, issued on Apr 9, 2018. Check the license (Florida OS18898, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Chase Flaum
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS18898 FL
Self-reported in NPPES; status is on the state search - Practice location
- 201 14TH St SW, Largo, FL 33770
- Phone
- (727) 588-5200
- Enumerated
- Apr 9, 2018
- Record last updated
- Aug 4, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,034 in Florida → Look up another NPI →
Also registered at 201 14TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oussama Abbad, DOInternal Medicine Physician1174101398
- Younis Abdulla, DOStudent in an Organized Health Care Education/Training Program1427750215
- Zain AbidiInternal Medicine Physician1316575863
- Nadia Abrahamsen, MDEmergency Medicine Physician1861626327
- Walaa Abualhuda, MDStudent in an Organized Health Care Education/Training Program1154023844
- Sim Aing, DPTPhysical Therapist1083964332
Verify Chase Flaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS18898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medicine physician in 2024
144 Medicare Part D claims for 113 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 22 claims were for opioids.
Most prescribed
- Cephalexin31 claims
- Hydrocodone-Acetaminophen19 claims
- Amoxicillin-Clavulanate Potass11 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.
Industry payments in 2024: $466.96
8 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Chase Flaum among 4,034 emergency medicine physician records in Florida
Chase Flaum, DO 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 fileNo · 55% of these records are
- Record last updated2022 · 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.
All 4,034 in Florida → Every provider in Largo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nadia Abrahamsen, MDLargo, FL 337701861626327
- John Dodson, MDLargo, FL 337701811901911
- Ana Koutsothanasis, MDLargo, FL 337701811450240
- Jeffrey Leimbacher, MDLargo, FL 337701356355440
- Alistair Macneil, MDLargo, FL 337701366559171
- Christy Peck, M.D.Largo, FL 337701629206206
- Ricki Pollack Frayman, MDLargo, FL 337701912911884
- James Sacca, MDLargo, FL 337701477915015
Common questions
What is Chase Flaum, DO's NPI number?
Chase Flaum, DO's National Provider Identifier (NPI) is 1518464239, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Chase Flaum, DO located?
The NPPES record lists a practice address at 201 14TH St SW, Largo, FL, 33770. Phone: (727) 588-5200. Providers update this record themselves, so call before visiting.
How can I verify Chase Flaum, DO's license?
NPPES lists Florida license number OS18898, 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 Chase Flaum, DO prescribe under Medicare Part D?
In 2024, Chase Flaum, DO had 144 Medicare Part D claims for 113 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.