Hiteshwar Singh Mangat, MD
Internal Medicine Physician · Oak Ridge, TN
Hiteshwar Singh Mangat, MD is an internal medicine physician with a practice address in Oak Ridge, Tennessee, and NPI 1497374276, issued on Apr 13, 2020. Check the license (Tennessee 68844, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Hiteshwar Singh Mangat
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 68844 TN
Self-reported in NPPES; status is on the state search - Practice location
- 990 Oak Ridge Tpke, Oak Ridge, TN 37830
- Phone
- (865) 835-1000
- Enumerated
- Apr 13, 2020
- Record last updated
- Aug 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20231016002961); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 990 Oak Ridge Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Agner, DOEmergency Medicine Physician1285212100
- Charles Ashley, D.PH.Pharmacist1932136124
- Cindy Ayo, OTD, OTR/LOccupational Therapist1083778757
- Nawras Baban, M.D.Internal Medicine Physician1225075021
- Dell Bailey, CRNACertified Registered Nurse Anesthetist1316197882
- Jeff Baker, D.PH.Pharmacist1851311351
Verify Hiteshwar Singh Mangat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 68844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
414 Medicare Part D claims for 191 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 19 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass53 claims
- Eliquis26 claims
- Prednisone25 claims
- Atorvastatin Calcium18 claims
- Levofloxacin17 claims
- Pantoprazole Sodium16 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.
Bills Medicare through one group practice
- Hospital Medicine Services OF Tennessee PCOak Ridge, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hiteshwar Singh Mangat among 2,596 internal medicine physician records in Tennessee
Hiteshwar Singh Mangat, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2003 among the 1,705 with a school on file
- Record last updated2023 · 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in Oak Ridge
They are 22 of the 904 NPPES records with a practice address in Oak Ridge, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Oak Ridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nawras Baban, M.D.Oak Ridge, TN 378301225075021
- Helen Bidawid, M.D.Oak Ridge, TN 378301114968856
- Arnold Bridges, M.D.Oak Ridge, TN 378301831131887
- Daniel Duzan, M.D.Oak Ridge, TN 378301518900091
- Srini Eranki, M.D.Oak Ridge, TN 378301205873007
- Christopher Frost, M.D.Oak Ridge, TN 378301881635928
- James Giles, MDOak Ridge, TN 378301487681466
- Wesley Hayes, M.D.Oak Ridge, TN 378301780603084
Common questions
What is Hiteshwar Singh Mangat, MD's NPI number?
Hiteshwar Singh Mangat, MD's National Provider Identifier (NPI) is 1497374276, issued on Apr 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Hiteshwar Singh Mangat, MD located?
The NPPES record lists a practice address at 990 Oak Ridge Tpke, Oak Ridge, TN, 37830. Phone: (865) 835-1000. Providers update this record themselves, so call before visiting.
How can I verify Hiteshwar Singh Mangat, MD's license?
NPPES lists Tennessee license number 68844, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hiteshwar Singh Mangat, MD prescribe under Medicare Part D?
In 2024, Hiteshwar Singh Mangat, MD had 414 Medicare Part D claims for 191 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.