Derek Oswald, DO
Emergency Medicine Physician · Lima, OH
Derek Oswald, DO is an emergency medicine physician with a practice address in Lima, Ohio, and NPI 1598392789, issued on Mar 26, 2020. Check the license (Ohio 34.016191, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Derek Oswald
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 34.016191 OH
036167948 IL
5101027290 MI
Self-reported in NPPES; status is on the state search - Practice location
- 730 W Market St, Lima, OH 45801
- Phone
- (419) 226-5558
- Enumerated
- Mar 26, 2020
- Record last updated
- Jul 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20240809003049); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 730 W Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Seth Agiro, DOEmergency Medicine Physician1477819308
- Syed Ahmed, MDInternal Medicine Physician1730829458
- Mariam Alam, DOStudent in an Organized Health Care Education/Training Program1306739529
- Brandon AlbalatStudent in an Organized Health Care Education/Training Program1538798517
Verify Derek Oswald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.016191Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
18 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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: $51.33
1 payment: food and beverage; the largest payer was Medtronic, 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.
Bills Medicare through one group practice
- Cepamerica Illinois LLPOlympia Fields, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Oswald among 3,002 emergency medicine physician records in Ohio
Derek Oswald, DO is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2013 among the 1,720 with a school on file
- Record last updated2024 · 60% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 emergency medicine physician records list a practice address in Lima
They are 37 of the 2,639 NPPES records with a practice address in Lima, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Lima → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Seth Agiro, DOLima, OH 458011477819308
- Gary Beasley, DOLima, OH 458011518913334
- Jeffrey Boulter, MDLima, OH 458011609829035
- Stephanie Casey, MDLima, OH 458011063685329
- Jian Cui, MDLima, OH 458011639338940
- Kerry Forrestal, MDLima, OH 458011215981220
- Michael Humphrey, MDLima, OH 458011679511497
- John Meyer, D.C. D.O.Lima, OH 458011689740573
Common questions
What is Derek Oswald, DO's NPI number?
Derek Oswald, DO's National Provider Identifier (NPI) is 1598392789, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Derek Oswald, DO located?
The NPPES record lists a practice address at 730 W Market St, Lima, OH, 45801. Phone: (419) 226-5558. Providers update this record themselves, so call before visiting.
How can I verify Derek Oswald, DO's license?
NPPES lists Ohio license number 34.016191, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek Oswald, DO prescribe under Medicare Part D?
In 2024, Derek Oswald, DO had 18 Medicare Part D claims; 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.