NPPES file of Aug 9, 2026

Katherine N. Cahill, MD

Allergy & Immunology (Internal Medicine) Physician · Nashville, TN

Katherine N. Cahill, MD is an allergy & immunology (internal medicine) physician with a practice address in Nashville, Tennessee, and NPI 1518133644, issued on May 8, 2008. Check the license (Tennessee 57628, as entered in NPPES) on the Tennessee Board of Medical Examiners; 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
1518133644
Name
Katherine N. Cahill
Credential
MD
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License numbers
57628 TN
231883 MA
Self-reported in NPPES; status is on the state search
Practice location
2611 West End Avenue Room 210, Nashville, TN 37232
Phone
(615) 936-2727
Enumerated
May 8, 2008
Record last updated
Mar 16, 2022
Medicare enrollment
Enrolled (PECOS I20180821001672); accepts Medicare assignment
Medical or professional school
Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2007
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 Katherine N. Cahill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 57628
    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 Tennessee license search

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79% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024

162 Medicare Part D claims for 29 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 67% of claims.

  1. Katherine Cahill162
  2. Specialty average789

Most prescribed

  1. Dupixent Pen37 claims
  2. Dupixent Syringe24 claims
  3. Zileuton Er14 claims
  4. Arnuity Ellipta13 claims
  5. Fasenra Pen11 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.

Industry payments in 2024: $4,850.00

3 payments; by number, the most common kind was consulting fee; the largest payer was Eli Lilly and Company. The 321 providers of this specialty with any payment received $7,456.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Cahill$4,850.00
  2. Specialty average$7,456.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Allergy & Immunology (Internal Medicine) Physician providers in Tennessee

There are 5 allergy & immunology (internal medicine) physician records in Tennessee.

The 4 allergy & immunology (internal medicine) physician records with the nearest ZIP codes

  1. Jeffrey Culp, M.D.Dickson, TN 370551023156734
  2. John Smith, M.D.Johnson City, TN 376041972771012
  3. Saul Greenbaum, MDMemphis, TN 381191851707616
  4. Tai Yoo, MDMemphis, TN 381321366408072

Common questions

What is Katherine N. Cahill, MD's NPI number?

Katherine N. Cahill, MD's National Provider Identifier (NPI) is 1518133644, issued on May 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Katherine N. Cahill, MD located?

The NPPES record lists a practice address at 2611 West End Avenue Room 210, Nashville, TN, 37232. Phone: (615) 936-2727. Providers update this record themselves, so call before visiting.

How can I verify Katherine N. Cahill, MD's license?

NPPES lists Tennessee license number 57628, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine N. Cahill, MD prescribe under Medicare Part D?

In 2024, Katherine N. Cahill, MD had 162 Medicare Part D claims for 29 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.