NPPES file of Aug 9, 2026

Karen Elizabeth Mayer, M.D.

Internal Medicine Physician · Garner, NC

Karen Elizabeth Mayer, M.D. is an internal medicine physician with a practice address in Garner, North Carolina, and NPI 1760596621, issued on Aug 18, 2006. Check the license (North Carolina 95-00663, 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
1760596621
Name
Karen Elizabeth Mayer
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
95-00663 NC
Self-reported in NPPES; status is on the state search
Practice location
200 Health Park Dr, Garner, NC 27529
Phone
(919) 773-1223
Enumerated
Aug 18, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(919) 773-1955
Medicaid ID
8955060 NC
Medicare enrollment
Enrolled (PECOS I20040511000081); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 1992
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 200 Health Park Dr

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

  1. Jessica Best, PA-CPhysician Assistant1235314642
  2. Jeffrey Breiner, M.D.Internal Medicine Physician1366556144
  3. Angela Keene, N. P.Family Nurse Practitioner1194901181
  4. James McCann, P.A.-C.Physician Assistant1912012238
  5. Cecile Noel, PACPhysician Assistant1710930813
  6. Margery O'Herron, PA-CPhysician Assistant1174057640

Verify Karen Elizabeth Mayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 95-00663
    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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3.5 times the Medicare Part D claims of the average internal medicine physician in 2024

11,197 Medicare Part D claims for 617 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. 122 claims were for opioids.

  1. Karen Mayer11,197
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium795 claims
  2. Amlodipine Besylate764 claims
  3. Levothyroxine Sodium569 claims
  4. Lisinopril416 claims
  5. Omeprazole322 claims
  6. Gabapentin295 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: $62.27

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Mayer$62.27
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Garner Internal Medicine, P.A.Garner, NC
  2. Select Physical Therapy Holdings IncCary, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Elizabeth Mayer among 4,056 internal medicine physician records in North Carolina

Karen Elizabeth Mayer, M.D. 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 52% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1992 · median 2004 among the 2,706 with a school on file
  • Record last updated2007 · 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).

11 internal medicine physician records list a practice address in Garner

They are 11 of the 862 NPPES records with a practice address in Garner, and 4,056 internal medicine physician records in North Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Aleksandra Avery, MDGarner, NC 275291992939409
  2. Jeffrey Breiner, M.D.Garner, NC 275291366556144
  3. Nicole Collins, MDGarner, NC 275291760419261
  4. Leroy Darkes, M.D.Garner, NC 275291326011396
  5. David Katzin, M.D.Garner, NC 275291245366202
  6. George Kryder, M.D.Garner, NC 275291972814176
  7. Purna Manne, MDGarner, NC 275291376513697
  8. Shaina Nazare, D.O.Garner, NC 275291538690557

Common questions

What is Karen Elizabeth Mayer, M.D.'s NPI number?

Karen Elizabeth Mayer, M.D.'s National Provider Identifier (NPI) is 1760596621, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Elizabeth Mayer, M.D. located?

The NPPES record lists a practice address at 200 Health Park Dr, Garner, NC, 27529. Phone: (919) 773-1223. Providers update this record themselves, so call before visiting.

How can I verify Karen Elizabeth Mayer, M.D.'s license?

NPPES lists North Carolina license number 95-00663, 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 Karen Elizabeth Mayer, M.D. prescribe under Medicare Part D?

In 2024, Karen Elizabeth Mayer, M.D. had 11,197 Medicare Part D claims for 617 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.