NPPES file of Aug 9, 2026

Karen T. Shirrell, M.D.

Internal Medicine Physician · Carmel, IN

Karen T. Shirrell, M.D. is an internal medicine physician with a practice address in Carmel, Indiana, and NPI 1922009109, issued on Aug 10, 2005. Check the license (Indiana 01036141, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1922009109
Name
Karen T. Shirrell
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01036141 IN
Self-reported in NPPES; status is on the state search
Practice location
13824 Millstone CT, Carmel, IN 46032
Phone
(317) 574-9724
Enumerated
Aug 10, 2005
Record last updated
Aug 31, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(317) 466-3091
Medicaid ID
100126690A IN
Medicare enrollment
Enrolled (PECOS I20110111000013); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1979
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 Karen T. Shirrell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01036141
    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 Indiana license search

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51% more Medicare Part D claims than the average internal medicine physician in 2024

4,782 Medicare Part D claims for 174 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 72 claims were for opioids.

  1. Karen Shirrell4,782
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate194 claims
  2. Atorvastatin Calcium190 claims
  3. Levothyroxine Sodium172 claims
  4. Eliquis143 claims
  5. Trazodone Hcl143 claims
  6. Furosemide142 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.

Karen T. Shirrell among 2,109 internal medicine physician records in Indiana

Karen T. Shirrell, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1979 · median 2005 among the 1,448 with a school on file
  • Record last updated2020 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

68 internal medicine physician records list a practice address in Carmel

They are 68 of the 3,727 NPPES records with a practice address in Carmel, and 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Linda Abels, MDCarmel, IN 460321396718292
  2. Karen Adkins, MDCarmel, IN 460321467435792
  3. Gary Ayres, MDCarmel, IN 460321962475574
  4. Craig Cieciura, MDCarmel, IN 460321265406458
  5. Stephen Coulson, M.D.Carmel, IN 460321841292778
  6. Geraldine Darroca, MDCarmel, IN 460321164495644
  7. Barry Freeman, M.D.Carmel, IN 460321841285426
  8. Thomas Hutchinson, M.D.Carmel, IN 460321073588893

Common questions

What is Karen T. Shirrell, M.D.'s NPI number?

Karen T. Shirrell, M.D.'s National Provider Identifier (NPI) is 1922009109, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Karen T. Shirrell, M.D. located?

The NPPES record lists a practice address at 13824 Millstone CT, Carmel, IN, 46032. Phone: (317) 574-9724. Providers update this record themselves, so call before visiting.

How can I verify Karen T. Shirrell, M.D.'s license?

NPPES lists Indiana license number 01036141, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karen T. Shirrell, M.D. prescribe under Medicare Part D?

In 2024, Karen T. Shirrell, M.D. had 4,782 Medicare Part D claims for 174 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.