Dillon Isaac, MD
NPI 1649859232 · Internal Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dillon Isaac, MD is a Internal Medicine Physician provider in Greenville, SC (NPI 1649859232).
Provider details
- NPI number
- 1649859232
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 31 | 14 |
| Atorvastatin Calcium | 25 | 14 |
| Spironolactone | 19 | 13 |
| Losartan Potassium | 19 | 12 |
| Tamsulosin Hcl | 18 | — |
| Metoprolol Succinate | 17 | — |
| Fluticasone Propionate | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 701 Grove RdGreenville, SC 29605-4210Phone: (864) 455-7000
Registry dates
- Enumerated
- 2021-04-02
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Dillon Isaac's NPI number?
- Dillon Isaac's National Provider Identifier (NPI) is 1649859232, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dillon Isaac's specialty?
- Dillon Isaac is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dillon Isaac located?
- Dillon Isaac's practice location on file with NPPES is 900 W Faris Rd, Greenville, SC 29605-4255.
- What is Dillon Isaac's phone number?
- The practice phone number listed in the NPPES registry for Dillon Isaac is (864) 455-8898.
- Does Dillon Isaac accept Medicare?
- Dillon Isaac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dillon Isaac's NPI active?
- Yes — Dillon Isaac's NPI (1649859232) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.