NPPES file of Aug 9, 2026

Ronald J. Falk, MD

Nephrology Physician · Chapel Hill, NC

Ronald J. Falk, MD is a nephrology physician with a practice address in Chapel Hill, North Carolina, and NPI 1083787725, issued on Nov 17, 2006. Check the license (North Carolina 21772, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083787725
Name
Ronald J. Falk
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
21772 NC
Self-reported in NPPES; status is on the state search
Practice location
101 Manning Dr, Chapel Hill, NC 27599
Phone
(919) 966-1234
Enumerated
Nov 17, 2006
Record last updated
Jun 5, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(919) 843-5515
Medicaid ID
8931092 NC
Medicare enrollment
Enrolled (PECOS I20100419000297); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 1977
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 Manning Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jihad Abdelgadir Imam Mohamed Ahmed, MDNeurological Surgery Physician1942706320
  2. Abimbola Abiola, M.DStudent in an Organized Health Care Education/Training Program1831880780
  3. Elise Abken, MDPsychiatry Physician1558884221
  4. Amy Abramowitz, M.D.Psychiatry Physician1871983676
  5. Sudeep Acharya, M.D.Student in an Organized Health Care Education/Training Program1144719402
  6. Stephen Acosta, MDAnesthesiology Physician1255741757

Verify Ronald J. Falk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 21772
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average nephrology physician in 2024

45 Medicare Part D claims for 11 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Ronald Falk45
  2. Specialty average1,465

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

  1. 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).

Nephrology Physician providers in North Carolina

There are 403 nephrology physician records in North Carolina.

Other nephrology physician records in North Carolina

  1. Sosan Abdullah, MDMorganton, NC1679664486
  2. Tariq Abo-Kamil, MDHenderson, NC1124077664
  3. Moses Aboagye-Kumi, M.D.Fayetteville, NC1497707640
  4. Pranab Acharya, M.D., MPHMonroe, NC1629385117
  5. Maureen Achuko, M.D.Fayetteville, NC1245239136
  6. Patricia Adams, MDWinston Salem, NC1992780282
  7. Adeyinka Adegoroye, MB CHBHigh Point, NC1952500423
  8. Syed Ahmed, M.D.Shelby, NC1568478683
  9. Joseph Aiello, M.D.Asheville, NC1942203310
  10. Anwar Al-HaidaryWilson, NC1205829066

Common questions

What is Ronald J. Falk, MD's NPI number?

Ronald J. Falk, MD's National Provider Identifier (NPI) is 1083787725, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald J. Falk, MD located?

The NPPES record lists a practice address at 101 Manning Dr, Chapel Hill, NC, 27599. Phone: (919) 966-1234. Providers update this record themselves, so call before visiting.

How can I verify Ronald J. Falk, MD's license?

NPPES lists North Carolina license number 21772, as entered by the provider. 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 Ronald J. Falk, MD prescribe under Medicare Part D?

In 2024, Ronald J. Falk, MD had 45 Medicare Part D claims for 11 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.