Robert Bayliss, M.D.
NPI 1356326383 · Internal Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Bayliss, M.D. is a Internal Medicine Physician provider in Greenville, SC (NPI 1356326383).
Provider details
- NPI number
- 1356326383
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12339 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,913 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 708 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 695 | $120 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 627 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 618 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 562 | $13 |
| Liver Function Blood Test Panel80076 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 133 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 366 | 97 |
| Amlodipine Besylate | 305 | 89 |
| Atorvastatin Calcium | 298 | 89 |
| Omeprazole | 225 | 75 |
| Lorazepam | 207 | 41 |
| Simvastatin | 164 | 49 |
| Zolpidem Tartrate | 148 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 2 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
- 2005-12-13
- Last updated
- 2013-07-25
Frequently asked questions
- What is Robert Bayliss's NPI number?
- Robert Bayliss's National Provider Identifier (NPI) is 1356326383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Bayliss's specialty?
- Robert Bayliss is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Bayliss located?
- Robert Bayliss's practice location on file with NPPES is 1025 Verdae Blvd, Greenville, SC 29607-4032.
- What is Robert Bayliss's phone number?
- The practice phone number listed in the NPPES registry for Robert Bayliss is (864) 242-4683.
- Does Robert Bayliss accept Medicare?
- Robert Bayliss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Bayliss's NPI active?
- Yes — Robert Bayliss's NPI (1356326383) is active in the NPPES registry as of the last update on 2013-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.