Loan Quynh To, M.D.
Pediatrics Physician · Oak Ridge, TN
Loan Quynh To, M.D. is a pediatrics physician with a practice address in Oak Ridge, Tennessee, and NPI 1710146089, issued on Jun 3, 2008. Check the license (Tennessee 47407, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Loan Quynh To
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 47407 TN
Self-reported in NPPES; status is on the state search - Practice location
- 221 W Tyrone RD, Oak Ridge, TN 37830
- Phone
- (865) 483-6343
- Enumerated
- Jun 3, 2008
- Record last updated
- Jul 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (865) 483-1185
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,255 in Tennessee → Look up another NPI →
Also registered at 221 W Tyrone RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Campbell, MDPediatrics Physician1972530640
- Jason Cheney, MDPediatrics Physician1770528366
- Kimberly Smith, MSN, PNPPediatric Nurse Practitioner1003831843
- John Welch, MDPediatrics Physician1912935263
- Judith Witt, CPNPPediatric Nurse Practitioner1174566459
Verify Loan Quynh To in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 47407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $19.17
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 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.
Loan Quynh To among 1,255 pediatrics physician records in Tennessee
Loan Quynh To, M.D. is one of 1,255 pediatrics physician records with a practice address in Tennessee. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2011 · 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 208000000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 pediatrics physician records list a practice address in Oak Ridge
They are 14 of the 904 NPPES records with a practice address in Oak Ridge, and 1,255 pediatrics physician records in Tennessee.
All 1,255 in Tennessee → Every provider in Oak Ridge → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Paul Barongan, MDOak Ridge, TN 378301629063342
- Gary Brown, MDOak Ridge, TN 378301205979655
- Allison Byrd, MDOak Ridge, TN 378301831678895
- Charles Campbell, MDOak Ridge, TN 378301972530640
- Jason Cheney, MDOak Ridge, TN 378301770528366
- Thomas Clary, MDOak Ridge, TN 378301801882246
- Clifford James, M.D.Oak Ridge, TN 378301497711709
- Matthew McCallister, MDOak Ridge, TN 378301588826051
Common questions
What is Loan Quynh To, M.D.'s NPI number?
Loan Quynh To, M.D.'s National Provider Identifier (NPI) is 1710146089, issued on Jun 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Loan Quynh To, M.D. located?
The NPPES record lists a practice address at 221 W Tyrone RD, Oak Ridge, TN, 37830. Phone: (865) 483-6343. Providers update this record themselves, so call before visiting.
How can I verify Loan Quynh To, M.D.'s license?
NPPES lists Tennessee license number 47407, 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.
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.