Kevin O Brien, D.O.
NPI 1588636138 · Nephrology Physician · Seneca, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kevin O Brien, D.O. is a Nephrology Physician provider in Seneca, SC (NPI 1588636138).
Provider details
- NPI number
- 1588636138
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 1063 (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
1,045 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 323 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 313 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 95 | $111 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 91 | $332 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 56 | $274 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 160 | 56 |
| Calcium Acetate | 58 | 21 |
| Amlodipine Besylate | 56 | 18 |
| Sevelamer Carbonate | 54 | 14 |
| Metolazone | 40 | 14 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 39 | — |
| Febuxostat | 34 | — |
| Carvedilol | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 across 3 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
- 2006-02-07
- Last updated
- 2017-04-06
Frequently asked questions
- What is Kevin O Brien's NPI number?
- Kevin O Brien's National Provider Identifier (NPI) is 1588636138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kevin O Brien's specialty?
- Kevin O Brien is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Kevin O Brien located?
- Kevin O Brien's practice location on file with NPPES is 107 Omni Dr, Seneca, SC 29672-9448.
- What is Kevin O Brien's phone number?
- The practice phone number listed in the NPPES registry for Kevin O Brien is (864) 885-7881.
- Does Kevin O Brien accept Medicare?
- Kevin O Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kevin O Brien's NPI active?
- Yes — Kevin O Brien's NPI (1588636138) is active in the NPPES registry as of the last update on 2017-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.