Sidney Allen McKenzie, CRNA
Certified Registered Nurse Anesthetist · Florence, SC
Sidney Allen McKenzie, CRNA is a certified registered nurse anesthetist with a practice address in Florence, South Carolina, and NPI 1376642447, issued on Sep 22, 2006. Check the license (South Carolina APN571, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sidney Allen McKenzie
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- APN571 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1001 W Evans St, Florence, SC 29501
- Phone
- (843) 679-3251
- Enumerated
- Sep 22, 2006
- Record last updated
- Mar 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040415000190); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 1,868 in South Carolina → Look up another NPI →
Verify Sidney Allen McKenzie 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 APN571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $39.13
2 payments; by number, the most common kind was food and beverage; the largest payer was Heron Therapeutics, Inc. The 24,076 providers of this specialty with any payment received $135.08 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 2 group practices
- Medstream Anesthesia PLLCConway, SC
- Tidelands Anesthesia Group LLCMurrells Inlet, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sidney Allen McKenzie among 1,868 certified registered nurse anesthetist records in South Carolina
Sidney Allen McKenzie, CRNA is one of 1,868 certified registered nurse anesthetist records with a practice address in South Carolina. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 63% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2001 · median 2012 among the 1,415 with a school on file
- Record last updated2008 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
103 certified registered nurse anesthetist records list a practice address in Florence
They are 103 of the 2,634 NPPES records with a practice address in Florence, and 1,868 certified registered nurse anesthetist records in South Carolina.
All 1,868 in South Carolina → Every provider in Florence → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Charles AldridgeFlorence, SC 295011154427680
- Nelda Beck, CRNAFlorence, SC 295011215936422
- Michael BolickFlorence, SC 295011699168104
- Dennis Fraley, CRNAFlorence, SC 295011417954405
- Ralph Greene, CRNAFlorence, SC 295011710931100
- Michael Griffith, CRNAFlorence, SC 295011437141439
- Sollie Miller, CRNAFlorence, SC 295011275594806
- Melissa Mitchell, CRNAFlorence, SC 295011194784033
Common questions
What is Sidney Allen McKenzie, CRNA's NPI number?
Sidney Allen McKenzie, CRNA's National Provider Identifier (NPI) is 1376642447, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sidney Allen McKenzie, CRNA located?
The NPPES record lists a practice address at 1001 W Evans St, Florence, SC, 29501. Phone: (843) 679-3251. Providers update this record themselves, so call before visiting.
How can I verify Sidney Allen McKenzie, CRNA's license?
NPPES lists South Carolina license number APN571, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
What is Sidney Allen McKenzie, CRNA's MIPS final score?
The 2023 MIPS final score is 84.4 of 100, reported for the practice group. 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.