David Diaz
Emergency Medicine Physician · Columbus, OH
David Diaz is an emergency medicine physician with a practice address in Columbus, Ohio, and NPI 1871156919, issued on Apr 15, 2019. Check the license (Ohio 57.248200, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- David Diaz
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 57.248200 OH
Self-reported in NPPES; status is on the state search - Practice location
- 774 Prior Hall, 376 W. 10TH Ave, Columbus, OH 43210
- Phone
- (614) 293-3570
- Enumerated
- Apr 15, 2019
- Record last updated
- Nov 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20221122003641); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 774 Prior Hall, 376 W. 10TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Barakat, DOEmergency Medicine Physician1578367579
- Lauren Edmonson, MDStudent in an Organized Health Care Education/Training Program1922850189
- James Fletcher, BM BCHStudent in an Organized Health Care Education/Training Program1760045405
- Christiana KoufterosStudent in an Organized Health Care Education/Training Program1225832751
- Bhumi Patel, DOStudent in an Organized Health Care Education/Training Program1013710722
- Jessica Smith, MDEmergency Medicine Physician1114774726
Verify David Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 57.248200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average emergency medicine physician in 2024
278 Medicare Part D claims for 174 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 26 claims were for opioids.
Most prescribed
- Ondansetron Odt33 claims
- Ibuprofen29 claims
- Cefadroxil24 claims
- Cefpodoxime Proxetil19 claims
- Amoxicillin-Clavulanate Potass17 claims
- Azithromycin14 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
- Southern California Permanente Medical GroupPanorama City, CA
- Western Washington Emergency Physicians PLLCTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Diaz among 3,002 emergency medicine physician records in Ohio
David Diaz 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 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2019 · median 2013 among the 1,720 with a school on file
- Record last updated2022 · 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).
427 emergency medicine physician records list a practice address in Columbus
They are 427 of the 36,491 NPPES records with a practice address in Columbus, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Columbus → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Eric Adkins, MDColumbus, OH 432101528046232
- Daniel Bachmann, MDColumbus, OH 432101184603987
- David Bahner, M.D.Columbus, OH 432101548350325
- Leo Boggs, MDColumbus, OH 432101942232962
- Edward Boyer, MDColumbus, OH 432101881685576
- Michael Cudnik, M.D.Columbus, OH 432101457393738
- Emile El-Shammaa, MDColumbus, OH 432101417996869
- Jaron Goldberg, M.D.Columbus, OH 432101982652897
Common questions
What is David Diaz's NPI number?
David Diaz's National Provider Identifier (NPI) is 1871156919, issued on Apr 15, 2019. An NPI identifies a provider in billing; it is not a license.
Where is David Diaz located?
The NPPES record lists a practice address at 774 Prior Hall, 376 W. 10TH Ave, Columbus, OH, 43210. Phone: (614) 293-3570. Providers update this record themselves, so call before visiting.
How can I verify David Diaz's license?
NPPES lists Ohio license number 57.248200, 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 David Diaz prescribe under Medicare Part D?
In 2024, David Diaz had 278 Medicare Part D claims for 174 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.