Jeffrey Siegel, M.D.
NPI 1861598401 · Internal Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Siegel, M.D. is a Internal Medicine Physician provider in Greenville, SC (NPI 1861598401).
Provider details
- NPI number
- 1861598401
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11731 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 39 | 18 |
| Lisinopril | 18 | — |
| Rosuvastatin Calcium | 18 | 11 |
| Omeprazole | 16 | — |
| Ezetimibe | 14 | — |
| Meloxicam | 14 | — |
| Fluoxetine Hcl | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Siegel's NPI number?
- Jeffrey Siegel's National Provider Identifier (NPI) is 1861598401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Siegel's specialty?
- Jeffrey Siegel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Siegel located?
- Jeffrey Siegel's practice location on file with NPPES is 317 Saint Francis Dr, Greenville, SC 29601-3965.
- What is Jeffrey Siegel's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Siegel is (864) 232-8296.
- Does Jeffrey Siegel accept Medicare?
- Jeffrey Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Siegel's NPI active?
- Yes — Jeffrey Siegel's NPI (1861598401) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.