NPPES file of Aug 9, 2026

Sam Waltos, DO

Family Medicine Physician · Winchester, VA

Sam Waltos, DO is a family medicine physician with a practice address in Winchester, Virginia, and NPI 1154702868, issued on Jun 18, 2015. Check the license (Virginia 0102204964, as entered in NPPES) on the Virginia Department of Health Professions; 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
1154702868
Name
Sam Waltos
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
0102204964 VA
H88467 MD
Self-reported in NPPES; status is on the state search
Practice location
104 Selma Dr, Winchester, VA 22601
Phone
(540) 678-2800
Enumerated
Jun 18, 2015
Record last updated
Oct 23, 2023
Fax
(540) 667-0652
Medicare enrollment
Enrolled (PECOS I20190416002003); accepts Medicare assignment
Medical or professional school
Lake Erie College Of Osteopathic Medicine, Erie, 2015
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 104 Selma Dr

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

  1. Angela Amann, FNPFamily Nurse Practitioner1730890336
  2. John Armstrong, MDInfectious Disease Physician1992701163
  3. Cyril Barch, MDInternal Medicine Physician1558366096
  4. Bradley Birth, D.O.Family Medicine Physician1790133999
  5. Emad Botros, MDInternal Medicine Physician1528063070
  6. Tamela Catlett, FNPFamily Nurse Practitioner1902199920

Verify Sam Waltos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0102204964
    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 Virginia 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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84% fewer Medicare Part D claims than the average family medicine physician in 2024

566 Medicare Part D claims for 176 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Sam Waltos566
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass38 claims
  2. Prednisone25 claims
  3. Lisinopril21 claims
  4. Rosuvastatin Calcium18 claims
  5. Amlodipine Besylate15 claims
  6. Cephalexin14 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 one group practice

  1. Privia Medical Group, LLCWinchester, VA

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

Sam Waltos among 4,137 family medicine physician records in Virginia

Sam Waltos, DO is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.

  • NPI issued2015 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2015 · median 2004 among the 2,426 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 family medicine physician records list a practice address in Winchester

They are 56 of the 2,762 NPPES records with a practice address in Winchester, and 4,137 family medicine physician records in Virginia.

The 8 family medicine physician records with the nearest ZIP codes

  1. William Bender, M.D.Winchester, VA 226011487624276
  2. Jessica Byrd, M.D.Winchester, VA 226011639175391
  3. Kevin Culbert, DOWinchester, VA 226011942294129
  4. Su Fairchild, MDWinchester, VA 226011861488074
  5. Harry Gustin, M.D.Winchester, VA 226011639149438
  6. Stephanie Hoefle, MDWinchester, VA 226011073509220
  7. Patricia HouserWinchester, VA 226011932179322
  8. Linda Luong, M.D.Winchester, VA 226011689647257

Common questions

What is Sam Waltos, DO's NPI number?

Sam Waltos, DO's National Provider Identifier (NPI) is 1154702868, issued on Jun 18, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Sam Waltos, DO located?

The NPPES record lists a practice address at 104 Selma Dr, Winchester, VA, 22601. Phone: (540) 678-2800. Providers update this record themselves, so call before visiting.

How can I verify Sam Waltos, DO's license?

NPPES lists Virginia license number 0102204964, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sam Waltos, DO prescribe under Medicare Part D?

In 2024, Sam Waltos, DO had 566 Medicare Part D claims for 176 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.