John Bonchak, D.O.
Internal Medicine Physician · Bonham, TX
John Bonchak, D.O. is an internal medicine physician with a practice address in Bonham, Texas, and NPI 1144244252, issued on Jul 26, 2006. Check the license (Texas H5843, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Bonchak
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- H5843 TX
Self-reported in NPPES; status is on the state search - Practice location
- Sam Rayburn Memorial Veterans Center, Bonham, TX 75418
- Phone
- (903) 583-2111
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (903) 583-6709
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify John Bonchak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H5843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
30 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
John Bonchak among 9,175 internal medicine physician records in Texas
John Bonchak, D.O. 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 updated2007 · 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).
10 internal medicine physician records list a practice address in Bonham
They are 10 of the 203 NPPES records with a practice address in Bonham, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Bonham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Muttavancheril George, MDBonham, TX 754181780698738
- Venkatesham Guduguntla, MDBonham, TX 754181720097686
- Toi Le, M.D.Bonham, TX 754181952317935
- Xuan-Dao Le, MDBonham, TX 754181699788760
- Vijayalakshmi Nandimandalam, MDBonham, TX 754181922075464
- Jagdish Shah, M.D.Bonham, TX 754181497834816
- Mallikharjuna Surapanani, M.DBonham, TX 754181184633596
- Benarji Tegala, M.D.Bonham, TX 754181518925841
Common questions
What is John Bonchak, D.O.'s NPI number?
John Bonchak, D.O.'s National Provider Identifier (NPI) is 1144244252, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Bonchak, D.O. located?
The NPPES record lists a practice address at Sam Rayburn Memorial Veterans Center, Bonham, TX, 75418. Phone: (903) 583-2111. Providers update this record themselves, so call before visiting.
How can I verify John Bonchak, D.O.'s license?
NPPES lists Texas license number H5843, 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 John Bonchak, D.O. prescribe under Medicare Part D?
In 2024, John Bonchak, D.O. had 30 Medicare Part D claims; 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.