Ralph Josef Nelson, D.O.
Family Medicine Physician · Norman, OK
Ralph Josef Nelson, D.O. is a family medicine physician with a practice address in Norman, Oklahoma, and NPI 1447258264, issued on Jul 14, 2005. Check the license (Oklahoma 4106, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Ralph Josef Nelson
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4106 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3400 W Tecumseh RD, Norman, OK 73072
- Phone
- (405) 307-6900
- Enumerated
- Jul 14, 2005
- Record last updated
- Feb 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (405) 307-6906
- Medicare enrollment
- Enrolled (PECOS I20041108000584); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Also registered at 3400 W Tecumseh RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sobia Ahmad, MDRheumatology Physician1902095201
- Sarah Barnes, MS, RD/LDRegistered Dietitian1245530971
- Elizabeth Bivens, PA-CPhysician Assistant1447258405
- Brian Bobier, A.T.,C.Athletic Trainer1174596514
- Teresa Brown, R.D.Registered Dietitian1952527046
- Christie Bruehl, RD LDRegistered Dietitian1437269537
Verify Ralph Josef Nelson 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 4106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family medicine physician in 2024
886 Medicare Part D claims for 431 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Prednisone193 claims
- Albuterol Sulfate Hfa150 claims
- Azithromycin144 claims
- Doxycycline Hyclate89 claims
- Nitrofurantoin Mono-Macro45 claims
- Amoxicillin-Clavulanate Potass36 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: $168.48
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Immediate Care OF Oklahoma LLCOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph Josef Nelson among 2,303 family medicine physician records in Oklahoma
Ralph Josef Nelson, D.O. is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2002 · median 2008 among the 1,407 with a school on file
- Record last updated2015 · 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 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 family medicine physician records list a practice address in Norman
They are 54 of the 4,245 NPPES records with a practice address in Norman, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Norman → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gustavo Del Toro, D.O.Norman, OK 730721437288305
- Michael Klepper, M.D.Norman, OK 730721992935175
- Kathleen Lewis, MDNorman, OK 730721053357087
- Jeffrey Lhommedieu, MDNorman, OK 730721780651679
- Patrick Livingston, DONorman, OK 730721881687200
- Ricardo Rodriguez, M.D.Norman, OK 730721265637698
- Lorene Rodriguez, M.D.Norman, OK 730721053549196
- Aaron Smathers, MDNorman, OK 730721104356005
Common questions
What is Ralph Josef Nelson, D.O.'s NPI number?
Ralph Josef Nelson, D.O.'s National Provider Identifier (NPI) is 1447258264, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Josef Nelson, D.O. located?
The NPPES record lists a practice address at 3400 W Tecumseh RD, Norman, OK, 73072. Phone: (405) 307-6900. Providers update this record themselves, so call before visiting.
How can I verify Ralph Josef Nelson, D.O.'s license?
NPPES lists Oklahoma license number 4106, 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 Ralph Josef Nelson, D.O. prescribe under Medicare Part D?
In 2024, Ralph Josef Nelson, D.O. had 886 Medicare Part D claims for 431 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.