Randal K. Detwiler, MD
Nephrology Physician · Chapel Hill, NC
Randal K. Detwiler, MD is a nephrology physician with a practice address in Chapel Hill, North Carolina, and NPI 1306911177, issued on Nov 21, 2006. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Randal K. Detwiler
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- Practice location
- 101 Manning Dr, Chapel Hill, NC 27599
- Phone
- (919) 966-8596
- Enumerated
- Nov 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (919) 843-5515
- Medicaid ID
- 89132GW NC
- Medicare enrollment
- Enrolled (PECOS I20100330001272); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 403 in North Carolina → Look up another NPI →
Also registered at 101 Manning Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kirkwood Adams, MDCardiovascular Disease Physician1710069810
- Melanie Adams, PACPhysician Assistant1174695456
- Kimberly Adamson, NNPNurse Practitioner1255429577
- Mukhtar Adem, M.D.Hospitalist Physician1457445769
- Araba Afenyi-Annan, MDClinical Pathology/Laboratory Medicine Physician1275629842
- Thaniyyah Ahmad, MDStudent in an Organized Health Care Education/Training Program1023454600
Verify Randal K. Detwiler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average nephrology physician in 2024
3,496 Medicare Part D claims for 237 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 21 claims were for opioids.
Most prescribed
- Amlodipine Besylate192 claims
- Prednisone179 claims
- Atorvastatin Calcium162 claims
- Carvedilol160 claims
- Ozempic144 claims
- Allopurinol130 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF North Carolina AT Chapel HillChapel Hill, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Randal K. Detwiler among 403 nephrology physician records in North Carolina
Randal K. Detwiler, MD is one of 403 nephrology physician records with a practice address in North Carolina. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 50% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1986 · median 2002 among the 310 with a school on file
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in North Carolina
There are 403 nephrology physician records in North Carolina.
All 403 in North Carolina → Every provider in Chapel Hill → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Patrick Archdeacon, MDChapel Hill, NC 275991316167364
- Rumulo Colindres, MDChapel Hill, NC 275991629141361
- Maria Diaz-Gonzalez Ferris, MDChapel Hill, NC 275991962575621
- Ronald Falk, MDChapel Hill, NC 275991083787725
- Katherine Falk, MDChapel Hill, NC 275991023183795
- Edwin Fuller, MDChapel Hill, NC 275991922022110
- Steven Grossman, MDChapel Hill, NC 275991710052568
- Gerald Hladik, M.D.Chapel Hill, NC 275991467566075
Common questions
What is Randal K. Detwiler, MD's NPI number?
Randal K. Detwiler, MD's National Provider Identifier (NPI) is 1306911177, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Randal K. Detwiler, MD located?
The NPPES record lists a practice address at 101 Manning Dr, Chapel Hill, NC, 27599. Phone: (919) 966-8596. Providers update this record themselves, so call before visiting.
How can I verify Randal K. Detwiler, MD's license?
Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Randal K. Detwiler, MD prescribe under Medicare Part D?
In 2024, Randal K. Detwiler, MD had 3,496 Medicare Part D claims for 237 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.