NPPES file of Aug 9, 2026

Karina Whelan, MD

Internal Medicine Physician · Chapel Hill, NC

Karina Whelan, MD is an internal medicine physician with a practice address in Chapel Hill, North Carolina, and NPI 1164869640, issued on May 24, 2013. Check the license (North Carolina 2018-00752, 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
1164869640
Name
Karina Whelan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2018-00752 NC
Self-reported in NPPES; status is on the state search
Practice location
102 Mason Farm RD Ste 3100, Chapel Hill, NC 27599
Phone
(984) 974-4462
Enumerated
May 24, 2013
Record last updated
Jul 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(919) 843-9355
Medicare enrollment
Enrolled (PECOS I20180803001830); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2013
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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Verify Karina Whelan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2018-00752
    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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41% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,877 Medicare Part D claims for 166 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Karina Whelan1,877
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium102 claims
  2. Atorvastatin Calcium92 claims
  3. Levothyroxine Sodium74 claims
  4. Omeprazole66 claims
  5. Losartan Potassium59 claims
  6. Gabapentin55 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).

Karina Whelan among 4,056 internal medicine physician records in North Carolina

Karina Whelan, MD is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.

  • NPI issued2013 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2013 · median 2004 among the 2,706 with a school on file
  • Record last updated2018 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marco Aleman, MDChapel Hill, NC 275991275558520
  2. Timothy Carey, MDChapel Hill, NC 275991407871759
  3. Paul Chelminski, MDChapel Hill, NC 275991609891969
  4. Cristin Colford, MDChapel Hill, NC 275991801829478
  5. Darren Dewalt, MDChapel Hill, NC 275991962435537
  6. James Evans, MDChapel Hill, NC 275991932124203
  7. Russell Harris, MDChapel Hill, NC 275991083639355
  8. Thomas Keyserling, MDChapel Hill, NC 275991336164615

Common questions

What is Karina Whelan, MD's NPI number?

Karina Whelan, MD's National Provider Identifier (NPI) is 1164869640, issued on May 24, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Karina Whelan, MD located?

The NPPES record lists a practice address at 102 Mason Farm RD Ste 3100, Chapel Hill, NC, 27599. Phone: (984) 974-4462. Providers update this record themselves, so call before visiting.

How can I verify Karina Whelan, MD's license?

NPPES lists North Carolina license number 2018-00752, 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 Karina Whelan, MD prescribe under Medicare Part D?

In 2024, Karina Whelan, MD had 1,877 Medicare Part D claims for 166 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.