John S. Tkach, MD
Internal Medicine Physician · Elko, NV
John S. Tkach, MD is an internal medicine physician with a practice address in Elko, Nevada, and NPI 1063476422, issued on Apr 13, 2006. Check the license (Nevada 14538, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John S. Tkach
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14538 NV
Self-reported in NPPES; status is on the state search - Practice location
- 2315 N 5TH St, Elko, NV 89801
- Phone
- (775) 753-6400
- Enumerated
- Apr 13, 2006
- Record last updated
- Apr 12, 2023
- Fax
- (775) 753-3551
- Medicaid ID
- 1063476422 NV
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 2315 N 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caitlynne ChapmanPersonal Care Attendant1619682523
- Gavin FuchsPersonal Care Attendant1144913765
- Aspyn NicholsonClinical Social Worker1053258780
Verify John S. Tkach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 14538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
197 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Oxybutynin Chloride13 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.
John S. Tkach among 1,229 internal medicine physician records in Nevada
John S. Tkach, MD is one of 1,229 internal medicine physician records with a practice address in Nevada. 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 7% of them.
- NPI issued2006 · 7% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 43% 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 Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Elko
They are 8 of the 720 NPPES records with a practice address in Elko, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Elko → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Felix Deguzman, MDElko, NV 898011568472728
- David Hogle, MDElko, NV 898011245395623
- Michelle Hryniuk, DOElko, NV 898011336171073
- Mitra Jafari, M.DElko, NV 898011659991131
- Frances Catherine Ponce, MDElko, NV 898011710172648
- Chad Quintero, M.D.Elko, NV 898011407986243
- Paton Whimple, DOElko, NV 898011578651303
- Phil Aldrich, M.D.Carson City, NV 897061275645426
Common questions
What is John S. Tkach, MD's NPI number?
John S. Tkach, MD's National Provider Identifier (NPI) is 1063476422, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John S. Tkach, MD located?
The NPPES record lists a practice address at 2315 N 5TH St, Elko, NV, 89801. Phone: (775) 753-6400. Providers update this record themselves, so call before visiting.
How can I verify John S. Tkach, MD's license?
NPPES lists Nevada license number 14538, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John S. Tkach, MD prescribe under Medicare Part D?
In 2024, John S. Tkach, MD had 197 Medicare Part D claims for 48 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.