Tonya Knox Frazier, MD
Neurology Physician · Spartanburg, SC
Tonya Knox Frazier, MD is a neurology physician with a practice address in Spartanburg, South Carolina, and NPI 1952376477, issued on Feb 19, 2006. Check the license (South Carolina 28451, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Tonya Knox Frazier
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 28451 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1650 Skylyn Dr Ste 200, Spartanburg, SC 29307
- Phone
- (864) 560-4500
- Enumerated
- Feb 19, 2006
- Record last updated
- Apr 28, 2022
- Medicaid ID
- 274517 SC
- Medicare enrollment
- Enrolled (PECOS I20051230000199); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1993
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 326 in South Carolina → Look up another NPI →
Also registered at 1650 Skylyn Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Gil Guevara, M.D.Neurology Physician1467948927
Verify Tonya Knox Frazier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 28451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average neurology physician in 2024
4,486 Medicare Part D claims for 851 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 12 claims were for opioids.
Most prescribed
- Memantine Hcl1,364 claims
- Donepezil Hcl584 claims
- Levetiracetam181 claims
- Carbidopa-Levodopa163 claims
- Carbidopa-Levodopa Er158 claims
- Gabapentin143 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.
The MIPS final score for 2023 (Medicare payment program): 96.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,902.64
108 payments; by number, the most common kind was food and beverage; the largest payer was Mdd US Operations, LLC. The 10,858 providers of this specialty with any payment received $8,318.07 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.
One hospital affiliation
- Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Tonya Knox Frazier among 326 neurology physician records in South Carolina
Tonya Knox Frazier, MD is one of 326 neurology physician records with a practice address in South Carolina. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 65% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1993 · median 2007 among the 185 with a school on file
- Record last updated2022 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in South Carolina
There are 326 neurology physician records in South Carolina.
All 326 in South Carolina → Every provider in Spartanburg → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Andrea Gil Guevara, M.D.Spartanburg, SC 293071467948927
- Carol Kooistra, MDSpartanburg, SC 293071598741837
- Carol Nichols, MDSpartanburg, SC 293071609832237
- Juliette Saad, MDSpartanburg, SC 293071558441212
- Rowena Desailly-Chanson, MDSpartanburg, SC 293031902908387
- Amandeep Dhillon, MDSpartanburg, SC 293031386800415
- Bogdan Gheorghiu, M.D.Spartanburg, SC 293031902892904
- Gonzalo Pares, M.D.Spartanburg, SC 293011982809042
Common questions
What is Tonya Knox Frazier, MD's NPI number?
Tonya Knox Frazier, MD's National Provider Identifier (NPI) is 1952376477, issued on Feb 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tonya Knox Frazier, MD located?
The NPPES record lists a practice address at 1650 Skylyn Dr Ste 200, Spartanburg, SC, 29307. Phone: (864) 560-4500. Providers update this record themselves, so call before visiting.
How can I verify Tonya Knox Frazier, MD's license?
NPPES lists South Carolina license number 28451, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tonya Knox Frazier, MD prescribe under Medicare Part D?
In 2024, Tonya Knox Frazier, MD had 4,486 Medicare Part D claims for 851 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Tonya Knox Frazier, MD's MIPS final score?
The 2023 MIPS final score is 96.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.