Sydney Renee Nidiffer, PA-C
Physician Assistant · Columbia, SC
Sydney Renee Nidiffer, PA-C is a physician assistant with a practice address in Columbia, South Carolina, and NPI 1861101321, issued on Nov 22, 2022. Check the license (South Carolina 4660, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sydney Renee Nidiffer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 4660 SC
Self-reported in NPPES; status is on the state search - Practice location
- 220 Graces Way, Columbia, SC 29229
- Phone
- (803) 736-4560
- Enumerated
- Nov 22, 2022
- Record last updated
- Oct 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20221223001226); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,294 in South Carolina → Look up another NPI →
Also registered at 220 Graces Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sydney Renee Nidiffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 4660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average physician assistant in 2024
711 Medicare Part D claims for 254 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Ketoconazole124 claims
- Triamcinolone Acetonide116 claims
- Clobetasol Propionate71 claims
- Doxycycline Hyclate53 claims
- Mupirocin45 claims
- Minoxidil38 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.
Industry payments in 2024: $3,364.08
176 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Carolina Dermatology GrpColumbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney Renee Nidiffer among 2,294 physician assistant records in South Carolina
Sydney Renee Nidiffer, PA-C is one of 2,294 physician assistant records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 69% of them.
- NPI issued2022 · 69% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2022 · median 2019 among the 1,516 with a school on file
- Record last updated2025 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
247 physician assistant records list a practice address in Columbia
They are 247 of the 11,200 NPPES records with a practice address in Columbia, and 2,294 physician assistant records in South Carolina.
All 2,294 in South Carolina → Every provider in Columbia → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Skyler Benson, PAColumbia, SC 292291013770197
- Emilie Brown, PAColumbia, SC 292291265096135
- William Cobb, PA-CColumbia, SC 292291306268008
- Alleen Knowlin Britton, PA-CColumbia, SC 292291902028020
- Selina Martin, PA-CColumbia, SC 292291902811771
- Carrie Zipperer, PAColumbia, SC 292291477784833
- Austin Bragdon, PA-CColumbia, SC 292231952702151
- Leland George, PAColumbia, SC 292231821034208
Common questions
What is Sydney Renee Nidiffer, PA-C's NPI number?
Sydney Renee Nidiffer, PA-C's National Provider Identifier (NPI) is 1861101321, issued on Nov 22, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Renee Nidiffer, PA-C located?
The NPPES record lists a practice address at 220 Graces Way, Columbia, SC, 29229. Phone: (803) 736-4560. Providers update this record themselves, so call before visiting.
How can I verify Sydney Renee Nidiffer, PA-C's license?
NPPES lists South Carolina license number 4660, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Sydney Renee Nidiffer, PA-C prescribe under Medicare Part D?
In 2024, Sydney Renee Nidiffer, PA-C had 711 Medicare Part D claims for 254 beneficiaries; the average among physician assistant prescribers was 830. 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.