Registry data as of Aug 27, 2026

Harold Demsko, DDS

Dentist · Windsor, VA

Harold Demsko, DDS is a dentist with a practice address in Windsor, Virginia, and NPI 1487665303, issued on Aug 10, 2006. Check the license (Virginia VA6559, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487665303
Name
Harold Demsko
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
VA6559 VA
Self-reported in NPPES; status is on the state search
Practice location
70 East Windsor Blvd, Windsor, VA 23487
Phone
(757) 242-6781
Enumerated
Aug 10, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Harold Demsko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license VA6559
    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
Find 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.

83% more Medicare Part D claims than the average dentist in 2024

165 Medicare Part D claims for 105 beneficiaries, against an average of 90 among the 51,502 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 36 claims were for opioids.

  1. Harold Demsko165
  2. Specialty average90

Most prescribed

  1. Amoxicillin53 claims
  2. Hydrocodone-Acetaminophen34 claims
  3. Chlorhexidine Gluconate16 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: $56.72

2 payments, mostly food and beverage; the largest payer was Ultradent Products Inc. The 32,932 providers of this specialty with any payment received $579.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Harold Demsko$56.72
  2. Specialty average$579.61

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

4 dentist records list a Windsor practice address

They are 4 of the 42 NPPES records with a Windsor practice address, and 2,442 dentist records in Virginia.

Other dentist records in Virginia

  1. Azita Abbasi-Hafshejani, DDSSterling, VA1780922187
  2. Jeryl Abbott-Kohn, DDSColonial Heights, VA1679760813
  3. Ihab Abboud, DDSNorth Chesterfield, VA1255782256
  4. Moutaz Abdeen, DDSRichmond, VA1285795153
  5. Omar Abdelwahab, DDSWest Springfield, VA1922844802
  6. Hassiba Abdi, DDSGlen Allen, VA1609519727
  7. Talia Abdo, DDSRichmond, VA1780515155
  8. Mina Abdolahi, D.D.S.Sterling, VA1386982122
  9. Abeer Abdulhafiz, DDSHampton, VA1831683499
  10. Awab Abdulmajeed, DDSRichmond, VA1619420882

Common questions

What is Harold Demsko, DDS's NPI number?

Harold Demsko, DDS's National Provider Identifier (NPI) is 1487665303, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Harold Demsko, DDS located?

The NPPES record lists a practice address at 70 East Windsor Blvd, Windsor, VA, 23487. Phone: (757) 242-6781. Providers update this record themselves, so call before visiting.

How can I verify Harold Demsko, DDS's license?

NPPES lists Virginia license number VA6559, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Harold Demsko, DDS prescribe under Medicare Part D?

In 2024, Harold Demsko, DDS had 165 Medicare Part D claims for 105 beneficiaries; the average among dentist prescribers was 90. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.