NPPES file of Aug 9, 2026

Joseph Holtzclaw, RDN

Registered Dietitian · Norman, OK

Joseph Holtzclaw, RDN is a registered dietitian with a practice address in Norman, Oklahoma, and NPI 1275112278, issued on Apr 6, 2021. Check the license (Oklahoma 2545, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275112278
Name
Joseph Holtzclaw
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
2545 OK
Self-reported in NPPES; status is on the state search
Practice location
15951 Little Axe Dr, Norman, OK 73026
Phone
(405) 447-0300
Enumerated
Apr 6, 2021
Record last updated
Mar 25, 2026
Fax
(405) 701-7631
Medicare enrollment
Enrolled (PECOS I20210622002197); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 944 in Oklahoma → Look up another NPI →

Also registered at 15951 Little Axe Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jana Adams, M.D.Pediatrics Physician1982784880
  2. Vasileios Aloumanis, PHARM.D.Pharmacist1720624661
  3. Zachrey Aplin, PA-CPhysician Assistant1184227332
  4. Anita Blick-Nolan, MDPediatrics Physician1992766976
  5. Mitchell Bloomquist, DPMFoot & Ankle Surgery Podiatrist1891357612
  6. Kari Campbell, APRNFamily Nurse Practitioner1275167397

Verify Joseph Holtzclaw in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 2545    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Absentee Shawnee Tribal Health Authority, IncNorman, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joseph Holtzclaw among 944 registered dietitian records in Oklahoma

Joseph Holtzclaw, RDN is one of 944 registered dietitian records with a practice address in Oklahoma. 8% 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 74% of them.

  • NPI issued2021 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 10% of these records are
  • Graduated2007 · median 2014 among the 91 with a school on file
  • Record last updated2026 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

59 registered dietitian records list a practice address in Norman

They are 59 of the 4,245 NPPES records with a practice address in Norman, and 944 registered dietitian records in Oklahoma.

All 944 in Oklahoma → Every provider in Norman → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Lisa Harrington, RD, LDNorman, OK 730261780121806
  2. Keira McCrary, RDN, LDNorman, OK 730261508465428
  3. Jayme McTagueEdmond, OK 730251801730874
  4. Jennifer Ray, MS, RD/LDEdmond, OK 730251285888917
  5. Stephanie Cargo, RD/LD CNSCChoctaw, OK 730201265303093
  6. Caitlin Dennis, RD/LDChoctaw, OK 730201306341813
  7. Terrie Ford, MS RD LDChoctaw, OK 730201558601948
  8. Kathrin Eliot, R.D.Norman, OK 730191720055692

Common questions

What is Joseph Holtzclaw, RDN's NPI number?

Joseph Holtzclaw, RDN's National Provider Identifier (NPI) is 1275112278, issued on Apr 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Holtzclaw, RDN located?

The NPPES record lists a practice address at 15951 Little Axe Dr, Norman, OK, 73026. Phone: (405) 447-0300. Providers update this record themselves, so call before visiting.

How can I verify Joseph Holtzclaw, RDN's license?

NPPES lists Oklahoma license number 2545, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.