NPPES file of Aug 9, 2026

Jonathan D. Claassen, D.O.

Public Health & General Preventive Medicine Physician · Fort Hood, TX

Jonathan D. Claassen, D.O. is a public health & general preventive medicine physician with a practice address in Fort Hood, Texas, and NPI 1679709398, issued on Jun 9, 2009. Check the license on the Texas Medical Board; 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
1679709398
Name
Jonathan D. Claassen
Credential
D.O.
Primary taxonomy
Public Health & General Preventive Medicine Physician 2083P0901X
License number
762 NE
Self-reported in NPPES; status is on the state search
Practice location
36000 Darnall Loop, Fort Hood, TX 76544
Phone
(254) 286-7231
Enumerated
Jun 9, 2009
Record last updated
Aug 18, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200901002042); accepts Medicare assignment
Medical or professional school
Kansas City University Of Med & Biosciences, College Of Osteo Med, 2009
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 public health & general preventive medicine physician records → All 104 in Texas → Look up another NPI →

Also registered at 36000 Darnall Loop

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

  1. Becky Adams, LVNLicensed Vocational Nurse1295893907
  2. Taiwo Adetutu, MDPediatrics Physician1316090129
  3. Philip Ainslie, R.PH.Pharmacotherapy Pharmacist1881667384
  4. Amanda Akogyeram-Salami, PHARMDPharmacist1023716651
  5. John Alamodin, M.S.W.Clinical Social Worker1629364526
  6. Steven Albert, D.O.Family Medicine Physician1851457865

Verify Jonathan D. Claassen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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
Open the Texas 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. American Current Care PAThornton, CO

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

Jonathan D. Claassen among 104 public health & general preventive medicine physician records in Texas

Jonathan D. Claassen, D.O. is one of 104 public health & general preventive medicine physician records with a practice address in Texas. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Record last updated2014 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0901X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Public Health & General Preventive Medicine Physician providers in Texas

There are 104 public health & general preventive medicine physician records in Texas.

All 104 in Texas → Every provider in Fort Hood → Public Health & General Preventive Medicine Physician nationwide →

The 8 public health & general preventive medicine physician records with the nearest ZIP codes

  1. Kristopher Kohlbacher, M.D.Fort Hood, TX 765441477967222
  2. Karen-Mae Mitchell, MDKilleen, TX 765491508846346
  3. Sharon Melville, MDTemple, TX 765021669810032
  4. Ronald Wilson, M.D.Denton, TX 762101528096815
  5. Joseph Merfeld, MDGoodfellow Afb, TX 769081528694338
  6. Prathima Nagireddy, M.DFort Worth, TX 761111306133731
  7. John Mills, D OFort Worth, TX 761071720084775
  8. Barry DavisHouston, TX 770301578047635

Common questions

What is Jonathan D. Claassen, D.O.'s NPI number?

Jonathan D. Claassen, D.O.'s National Provider Identifier (NPI) is 1679709398, issued on Jun 9, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan D. Claassen, D.O. located?

The NPPES record lists a practice address at 36000 Darnall Loop, Fort Hood, TX, 76544. Phone: (254) 286-7231. Providers update this record themselves, so call before visiting.

How can I verify Jonathan D. Claassen, D.O.'s license?

Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.