NPPES file of Aug 9, 2026

Kathleen Rose Ruddiman, DO

Endocrinology, Diabetes & Metabolism Physician · Winston Salem, NC

Kathleen Rose Ruddiman, DO is an endocrinology, diabetes & metabolism physician with a practice address in Winston Salem, North Carolina, and NPI 1487216578, issued on Jun 28, 2019. Check the license (North Carolina RTL22-0788, 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
1487216578
Name
Kathleen Rose Ruddiman
Credential
DO
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
RTL22-0788 NC
Self-reported in NPPES; status is on the state search
Practice location
Medical Center Blvd, Winston Salem, NC 27157
Phone
(336) 713-7251
Enumerated
Jun 28, 2019
Record last updated
Jun 27, 2023
Medicare enrollment
Enrolled (PECOS I20240911000452); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2019
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 Medical Center Blvd

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

  1. Franco Abad, PAPhysician Assistant1154017440
  2. Mohammed Abdulhaleem, MDHospitalist Physician1023472693
  3. Firas Abdulmajeed, M.D.Internal Medicine Physician1427358043
  4. Nuhad Abou Zeid, MDNeurology Physician1144427766
  5. Rachel AbrahamStudent in an Organized Health Care Education/Training Program1790451987
  6. Jon Abramson, MDPediatric Infectious Diseases Physician1033194691

Verify Kathleen Rose Ruddiman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license RTL22-0788
    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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78% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

588 Medicare Part D claims for 103 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. Kathleen Ruddiman588
  2. Specialty average2,630

Most prescribed

  1. Ozempic81 claims
  2. Mounjaro68 claims
  3. Levothyroxine Sodium53 claims
  4. Novolog Flexpen25 claims
  5. Metformin Hcl24 claims
  6. Metformin Hcl Er21 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: $157.86

2 payments; by number, the most common kind was food and beverage; the largest payer was CeQur Corporation. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathleen Ruddiman$157.86
  2. Specialty average$5,742.15

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

Bills Medicare through one group practice

  1. Wake Forest University Health SciencesWinston Salem, NC

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

Kathleen Rose Ruddiman among 289 endocrinology, diabetes & metabolism physician records in North Carolina

Kathleen Rose Ruddiman, DO is one of 289 endocrinology, diabetes & metabolism physician records with a practice address in North Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 97% of them.

  • NPI issued2019 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2019 · median 2003 among the 203 with a school on file
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in North Carolina

There are 289 endocrinology, diabetes & metabolism physician records in North Carolina.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Joseph Aloi, M.D.Winston Salem, NC 271571194888958
  2. Michael Altheimer, M.D.Winston Salem, NC 271571053423434
  3. Cynthia Burns, MDWinston Salem, NC 271571629055041
  4. Amanda Cunningham, M.D,Winston Salem, NC 271571760663579
  5. Matthew GorrisWinston Salem, NC 271571982023172
  6. Kristen Hairston, MDWinston Salem, NC 271571457381865
  7. Donald McClain, M.D., PH.D.Winston Salem, NC 271571346284346
  8. Miya McKnight, DOWinston Salem, NC 271571801391073

Common questions

What is Kathleen Rose Ruddiman, DO's NPI number?

Kathleen Rose Ruddiman, DO's National Provider Identifier (NPI) is 1487216578, issued on Jun 28, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Rose Ruddiman, DO located?

The NPPES record lists a practice address at Medical Center Blvd, Winston Salem, NC, 27157. Phone: (336) 713-7251. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Rose Ruddiman, DO's license?

NPPES lists North Carolina license number RTL22-0788, 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 Kathleen Rose Ruddiman, DO prescribe under Medicare Part D?

In 2024, Kathleen Rose Ruddiman, DO had 588 Medicare Part D claims for 103 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.