John Garren, NP
NPI 1346738168 · Nurse Practitioner · Greenville, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Garren, NP is a Nurse Practitioner provider in Greenville, SC (NPI 1346738168).
Provider details
- NPI number
- 1346738168
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 21759 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 199 | 101 |
| Ticagrelorbrand: Brilinta | 126 | 38 |
| Apixabanbrand: Eliquis | 92 | 31 |
| Metoprolol Succinate | 90 | 49 |
| Atorvastatin Calcium | 53 | 29 |
| Amlodipine Besylate | 40 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$437 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-26
- Last updated
- 2018-10-05
Frequently asked questions
- What is John Garren's NPI number?
- John Garren's National Provider Identifier (NPI) is 1346738168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Garren's specialty?
- John Garren is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Garren located?
- John Garren's practice location on file with NPPES is Upstate Cardiology, Greenville, SC 29607-5270.
- What is John Garren's phone number?
- The practice phone number listed in the NPPES registry for John Garren is (864) 235-7665.
- Does John Garren accept Medicare?
- John Garren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Garren's NPI active?
- Yes — John Garren's NPI (1346738168) is active in the NPPES registry as of the last update on 2018-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.