Matthew B. Kallenberger, D.O.
Internal Medicine Physician · Oklahoma City, OK
Matthew B. Kallenberger, D.O. is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1427493436, issued on May 3, 2013. Check the license (Oklahoma 5895, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Matthew B. Kallenberger
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5895 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4401 S Western Ave, Oklahoma City, OK 73109
- Phone
- (405) 713-7403
- Enumerated
- May 3, 2013
- Record last updated
- Jul 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (405) 713-2794
- Medicare enrollment
- Enrolled (PECOS I20160718000804); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 4401 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew B. Kallenberger 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 5895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
106 Medicare Part D claims for 43 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 71.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- OU Health Partners IncOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew B. Kallenberger among 1,115 internal medicine physician records in Oklahoma
Matthew B. Kallenberger, D.O. is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 62% of them.
- NPI issued2013 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2013 · median 2007 among the 653 with a school on file
- Record last updated2017 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
418 internal medicine physician records list a practice address in Oklahoma City
They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Oklahoma City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anibal Avila, M.D.Oklahoma City, OK 731091649213513
- Shane Biedermann, M.D.Oklahoma City, OK 731091700049426
- Todd Clapp, MDOklahoma City, OK 731091013958321
- Fateh Elkhatib, MDOklahoma City, OK 731091265548341
- Miles Langmacher, MDOklahoma City, OK 731091518942622
- Steven Leitch, M.D.Oklahoma City, OK 731091639156565
- Kashif Mahmood, M.DOklahoma City, OK 731091710299623
- Shirin Mohammad, MDOklahoma City, OK 731091093742819
Common questions
What is Matthew B. Kallenberger, D.O.'s NPI number?
Matthew B. Kallenberger, D.O.'s National Provider Identifier (NPI) is 1427493436, issued on May 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Matthew B. Kallenberger, D.O. located?
The NPPES record lists a practice address at 4401 S Western Ave, Oklahoma City, OK, 73109. Phone: (405) 713-7403. Providers update this record themselves, so call before visiting.
How can I verify Matthew B. Kallenberger, D.O.'s license?
NPPES lists Oklahoma license number 5895, 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 Matthew B. Kallenberger, D.O. prescribe under Medicare Part D?
In 2024, Matthew B. Kallenberger, D.O. had 106 Medicare Part D claims for 43 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Matthew B. Kallenberger, D.O.'s MIPS final score?
The 2023 MIPS final score is 71.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.