John Davis Garren, NP
Nurse Practitioner · Greenville, SC
John Davis Garren, NP is a nurse practitioner with a practice address in Greenville, South Carolina, and NPI 1346738168, issued on Apr 26, 2018. Check the license (South Carolina 21759, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Davis Garren
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 21759 SC
Self-reported in NPPES; status is on the state search - Practice location
- Upstate Cardiology, Greenville, SC 29607
- Phone
- (864) 235-7665
- Enumerated
- Apr 26, 2018
- Record last updated
- Oct 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (864) 233-5971
- Medicaid ID
- NP5225 SC
- Medicare enrollment
- Enrolled (PECOS I20180810002411); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,263 in South Carolina → Look up another NPI →
Also registered at Upstate Cardiology
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Senfield, MDClinical Cardiac Electrophysiology Physician1871727073
Verify John Davis Garren 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 21759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average nurse practitioner in 2024
1,108 Medicare Part D claims for 302 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Clopidogrel199 claims
- Brilinta126 claims
- Eliquis92 claims
- Metoprolol Succinate90 claims
- Atorvastatin Calcium53 claims
- Amlodipine Besylate40 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: $437.48
16 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 38,884 providers of this specialty with any payment received $791.64 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
- Bon Secours Medical Group Greenville Specialty Care LLCGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Davis Garren among 1,263 nurse practitioner records in South Carolina
John Davis Garren, NP is one of 1,263 nurse practitioner records with a practice address in South Carolina. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.
- NPI issued2018 · 47% of these records are older, 45% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2018 among the 791 with a school on file
- Record last updated2018 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in South Carolina
There are 1,263 nurse practitioner records in South Carolina.
All 1,263 in South Carolina → Every provider in Greenville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Alexandra Byers, APRN, MSN, FNP-CGreenville, SC 296071841906989
- Michael Cade, FNPGreenville, SC 296071265540215
- Mary Clark, FNPGreenville, SC 296071699846436
- Julie Gibbons, F.N.P.Greenville, SC 296071811287279
- Christina Jenkins, NPGreenville, SC 296071992388573
- Ashley Larson, MSN, APRN, FNP-CGreenville, SC 296071235762410
- Cindy Loeb, CRNPGreenville, SC 296071942889126
- Lina Lopez-MenesesGreenville, SC 296071417615311
Common questions
What is John Davis Garren, NP's NPI number?
John Davis Garren, NP's National Provider Identifier (NPI) is 1346738168, issued on Apr 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Davis Garren, NP located?
The NPPES record lists a practice address at Upstate Cardiology, Greenville, SC, 29607. Phone: (864) 235-7665. Providers update this record themselves, so call before visiting.
How can I verify John Davis Garren, NP's license?
NPPES lists South Carolina license number 21759, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does John Davis Garren, NP prescribe under Medicare Part D?
In 2024, John Davis Garren, NP had 1,108 Medicare Part D claims for 302 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.