NPPES file of Aug 9, 2026

Katherine Renee Allen, MD

Internal Medicine Physician · Chapel Hill, NC

Katherine Renee Allen, MD is an internal medicine physician with a practice address in Chapel Hill, North Carolina, and NPI 1225527856, issued on May 9, 2018. Check the license (North Carolina 2021-01173, 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
1225527856
Name
Katherine Renee Allen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
2021-01173 NC
239203 NC
Self-reported in NPPES; status is on the state search
Practice location
100 Eastowne Dr, Chapel Hill, NC 27514
Phone
(984) 974-4435
Enumerated
May 9, 2018
Record last updated
Jul 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(919) 843-9355
Medicare enrollment
Enrolled (PECOS I20210817002740); accepts Medicare assignment
Medical or professional school
University Of South Florida College Of Medicine, 2018
Telehealth
Offers telehealth (CMS)
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 100 Eastowne Dr

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

  1. Olivia AhearnStudent in an Organized Health Care Education/Training Program1548959893
  2. Astia AllenzaraRheumatology Physician1245728815
  3. Cassie Almond, MDStudent in an Organized Health Care Education/Training Program1619717501
  4. Bina Amin, MDStudent in an Organized Health Care Education/Training Program1598552713
  5. Kaitlyn Ancell, MDStudent in an Organized Health Care Education/Training Program1568259497
  6. Anna Andrews, MDInternal Medicine Physician1053055897

Verify Katherine Renee Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2021-01173
    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

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58% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,326 Medicare Part D claims for 147 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Katherine Allen1,326
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium75 claims
  2. Rosuvastatin Calcium67 claims
  3. Levothyroxine Sodium61 claims
  4. Gabapentin51 claims
  5. Lisinopril46 claims
  6. Amlodipine Besylate45 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 2 group practices

  1. Legacy Healthcare Services IncDurham, NC
  2. 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).

219 internal medicine physician records list a practice address in Chapel Hill

They are 219 of the 7,608 NPPES records with a practice address in Chapel Hill, and 4,056 internal medicine physician records in North Carolina.

Other internal medicine physician records in North Carolina

  1. Ana Abaroa-Salvatierra, M.D.Pollocksville, NC1598101750
  2. Naa Deisa Abbey, MDShelby, NC1467899294
  3. Stephen Abbott, D.O.Sanford, NC1013216282
  4. Rami Abdo, MDDurham, NC1184693160
  5. Farhath Abdul Kareem, MDCary, NC1679687347
  6. Firas Abdulmajeed, M.D.Winston Salem, NC1427358043
  7. Erlinda Abella, MDSalisbury, NC1649251505
  8. Bisrat AberaFayetteville, NC1871453886
  9. David Abernathy, M. D.Morganton, NC1265497366
  10. Maroun Aboutayeh, D.O.Asheville, NC1447757992

Common questions

What is Katherine Renee Allen, MD's NPI number?

Katherine Renee Allen, MD's National Provider Identifier (NPI) is 1225527856, issued on May 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Renee Allen, MD located?

The NPPES record lists a practice address at 100 Eastowne Dr, Chapel Hill, NC, 27514. Phone: (984) 974-4435. Providers update this record themselves, so call before visiting.

How can I verify Katherine Renee Allen, MD's license?

NPPES lists North Carolina license number 2021-01173, 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 Katherine Renee Allen, MD prescribe under Medicare Part D?

In 2024, Katherine Renee Allen, MD had 1,326 Medicare Part D claims for 147 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.