Randal Detwiler, MD
NPI 1306911177 · Nephrology Physician · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randal Detwiler, MD is a Nephrology Physician provider in Chapel Hill, NC (NPI 1306911177).
Provider details
- NPI number
- 1306911177
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
327 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 187 | $134 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 59 | $111 |
| Hemodialysis Procedure With Physician Evaluation90935 | 15 | $67 |
Typical Medicare-allowed amounts for these services range $67–$134 (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 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 192 | 54 |
| Prednisone | 179 | 48 |
| Atorvastatin Calcium | 162 | 39 |
| Carvedilol | 160 | 51 |
| Semaglutidebrand: Ozempic | 144 | 30 |
| Allopurinol | 130 | 27 |
| Omeprazole | 99 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Randal Detwiler's NPI number?
- Randal Detwiler's National Provider Identifier (NPI) is 1306911177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randal Detwiler's specialty?
- Randal Detwiler is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Randal Detwiler located?
- Randal Detwiler's practice location on file with NPPES is 101 Manning Dr, Chapel Hill, NC 27599-0001.
- What is Randal Detwiler's phone number?
- The practice phone number listed in the NPPES registry for Randal Detwiler is (919) 966-8596.
- Does Randal Detwiler accept Medicare?
- Randal Detwiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randal Detwiler's NPI active?
- Yes — Randal Detwiler's NPI (1306911177) 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.