Jonathan R. Klocek, MD
Internal Medicine Physician · Austin, TX
Jonathan R. Klocek, MD is an internal medicine physician with a practice address in Austin, Texas, and NPI 1265412910, issued on Jan 19, 2006. Check the license (Texas K0329, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan R. Klocek
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K0329 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1004 W 32ND St Ste 400, Austin, TX 78705
- Phone
- (512) 454-5171
- Enumerated
- Jan 19, 2006
- Record last updated
- Jun 9, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1004 W 32ND St Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathan R. Klocek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K0329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,903 Medicare Part D claims for 621 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium191 claims
- Atorvastatin Calcium184 claims
- Levothyroxine Sodium175 claims
- Amlodipine Besylate112 claims
- Trazodone Hcl82 claims
- Losartan Potassium69 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: $258.02
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Jonathan R. Klocek among 9,175 internal medicine physician records in Texas
Jonathan R. Klocek, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2022 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
606 internal medicine physician records list a practice address in Austin
They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Austin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Nancy Foster, MDAustin, TX 787051588664957
- Robert Groves, MDAustin, TX 787051124007356
- Manjusha Gupte, MDAustin, TX 787051851387500
- Samson Jesudass, M.D.Austin, TX 787051619911385
- Kenneth Kroll, MDAustin, TX 787051831179589
- Humberto Maldonado, MDAustin, TX 787051598745259
Common questions
What is Jonathan R. Klocek, MD's NPI number?
Jonathan R. Klocek, MD's National Provider Identifier (NPI) is 1265412910, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan R. Klocek, MD located?
The NPPES record lists a practice address at 1004 W 32ND St Ste 400, Austin, TX, 78705. Phone: (512) 454-5171. Providers update this record themselves, so call before visiting.
How can I verify Jonathan R. Klocek, MD's license?
NPPES lists Texas license number K0329, as entered by the provider. 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.
How much does Jonathan R. Klocek, MD prescribe under Medicare Part D?
In 2024, Jonathan R. Klocek, MD had 2,903 Medicare Part D claims for 621 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.