Nathan Harper Harris, MD
Emergency Medicine Physician · Ada, OK
Nathan Harper Harris, MD is an emergency medicine physician with a practice address in Ada, Oklahoma, and NPI 1114506037, issued on Apr 7, 2021. Check the license (Oklahoma 41661, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Nathan Harper Harris
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 41661 OK
T9700 TX
Self-reported in NPPES; status is on the state search - Practice location
- 430 N Monte Vista St, Ada, OK 74820
- Phone
- (580) 332-2323
- Enumerated
- Apr 7, 2021
- Record last updated
- Nov 25, 2024
- Fax
- (580) 421-6054
- Medicare enrollment
- Enrolled (PECOS I20230727001965); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 430 N Monte Vista St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Antigona BarutiPsychiatric/Mental Health Registered Nurse1336063387
- Kevin BeaverPhysician Assistant1528426442
Verify Nathan Harper Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 41661Check 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 154 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Cefdinir39 claims
- Methocarbamol30 claims
- Doxycycline Hyclate27 claims
- Amoxicillin-Clavulanate Potass23 claims
- Hydrocodone-Acetaminophen23 claims
- Naproxen20 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 one group practice
- Mercy Clinic Oklahoma CommunitiesAda, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Harper Harris among 748 emergency medicine physician records in Oklahoma
Nathan Harper Harris, MD is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 9% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2016 among the 438 with a school on file
- Record last updated2024 · 53% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 emergency medicine physician records list a practice address in Ada
They are 18 of the 1,141 NPPES records with a practice address in Ada, and 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Ada → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Melissa Colbert, D.O.Ada, OK 748201093000184
- Crystalle Evans, D.O.Ada, OK 748201043560030
- Brian Gaddis, D.O.Ada, OK 748201366750069
- Michael Gearhart, D.O.Ada, OK 748201427214022
- Doris Hoffman, MDAda, OK 748201720066178
- Anne Lewis, MDAda, OK 748201750553491
- Benjamin LynchAda, OK 748201265775738
- Joshua Medved, D.O.Ada, OK 748201104266659
Common questions
What is Nathan Harper Harris, MD's NPI number?
Nathan Harper Harris, MD's National Provider Identifier (NPI) is 1114506037, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Harper Harris, MD located?
The NPPES record lists a practice address at 430 N Monte Vista St, Ada, OK, 74820. Phone: (580) 332-2323. Providers update this record themselves, so call before visiting.
How can I verify Nathan Harper Harris, MD's license?
NPPES lists Oklahoma license number 41661, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan Harper Harris, MD prescribe under Medicare Part D?
In 2024, Nathan Harper Harris, MD had 278 Medicare Part D claims for 154 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.