Robert Allen, MD
NPI 1659321115 · Vascular Surgery Physician · Rock Hill, SC
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Allen, MD is a Vascular Surgery Physician provider in Rock Hill, SC (NPI 1659321115).
Provider details
- NPI number
- 1659321115
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 56586 (TN)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
49 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 35 | $86 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 14 | $171 |
Typical Medicare-allowed amounts for these services range $86–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 162 | 74 |
| Apixabanbrand: Eliquis | 60 | 20 |
| Atorvastatin Calcium | 51 | 23 |
| Gabapentin | 40 | 13 |
| Cilostazol | 37 | 20 |
| Losartan Potassium | 26 | — |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,549 across 15 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
Additional practice locations (1)
- 330 23rd Ave N Ste 100Nashville, TN 37203-6513Phone: (615) 321-6100Fax: (615) 321-6200
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2019-03-06
Frequently asked questions
- What is Robert Allen's NPI number?
- Robert Allen's National Provider Identifier (NPI) is 1659321115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Allen's specialty?
- Robert Allen is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Allen located?
- Robert Allen's practice location on file with NPPES is 197 Piedmont Blvd Ste 100, Rock Hill, SC 29732-1824.
- What is Robert Allen's phone number?
- The practice phone number listed in the NPPES registry for Robert Allen is (803) 324-1950.
- Does Robert Allen accept Medicare?
- Robert Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Allen's NPI active?
- Yes — Robert Allen's NPI (1659321115) is active in the NPPES registry as of the last update on 2019-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.