NPPES file of Aug 9, 2026

Harold Carter Davidson, MD, PHD

Otolaryngology Physician · Chambersburg, PA

Harold Carter Davidson, MD, PHD is an otolaryngology physician with a practice address in Chambersburg, Pennsylvania, and NPI 1487804555, issued on Sep 25, 2008. Check the license (Pennsylvania MD442589, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1487804555
Name
Harold Carter Davidson
Credential
MD, PHD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
MD442589 PA
Self-reported in NPPES; status is on the state search
Practice location
22 St Paul Dr Ste 202, Chambersburg, PA 17201
Phone
(717) 217-6870
Enumerated
Sep 25, 2008
Record last updated
Apr 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(717) 217-6945
Medicaid ID
102664076 0001 PA
Medicare enrollment
Enrolled (PECOS I20110829000667); accepts Medicare assignment
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 22 St Paul Dr Ste 202

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

  1. Lori Clugston, HISHearing Instrument Specialist1528928462
  2. Aubrey Fox, PA-CSurgical Physician Assistant1639688856
  3. Kristin Jones, AU.D.Audiologist1639527054
  4. Olivia Wertz, PA-CSurgical Physician Assistant1457084972
  5. Kaylyn YeagerAudiologist1144160037

Verify Harold Carter Davidson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD442589
    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 Pennsylvania 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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9% more Medicare Part D claims than the average otolaryngology physician in 2024

592 Medicare Part D claims for 218 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 19 claims were for opioids.

  1. Harold Davidson592
  2. Specialty average541

Most prescribed

  1. Famotidine127 claims
  2. Omeprazole72 claims
  3. Fluticasone Propionate63 claims
  4. Prednisone35 claims
  5. Montelukast Sodium32 claims
  6. Mupirocin32 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. Wellspan Medical GroupChambersburg, PA

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

Harold Carter Davidson among 531 otolaryngology physician records in Pennsylvania

Harold Carter Davidson, MD, PHD is one of 531 otolaryngology physician records with a practice address in Pennsylvania. 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 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 39% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2006 · median 2002 among the 355 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Pennsylvania

There are 531 otolaryngology physician records in Pennsylvania.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. John Chang, MDChambersburg, PA 172011427053370
  2. Joshua Dunklebarger, MDChambersburg, PA 172011255589776
  3. Anna Grigoryeva, MDChambersburg, PA 172011952504169
  4. James Manning, M.D.Gettysburg, PA 173251588667091
  5. Meghan Wilson, MDGettysburg, PA 173251366684490
  6. Magis MandapathilHanover, PA 173311982084158
  7. Ziad Rohayem, MDHanover, PA 173311104173319
  8. Thomas Toner, MDHanover, PA 173311528057239

Common questions

What is Harold Carter Davidson, MD, PHD's NPI number?

Harold Carter Davidson, MD, PHD's National Provider Identifier (NPI) is 1487804555, issued on Sep 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Harold Carter Davidson, MD, PHD located?

The NPPES record lists a practice address at 22 St Paul Dr Ste 202, Chambersburg, PA, 17201. Phone: (717) 217-6870. Providers update this record themselves, so call before visiting.

How can I verify Harold Carter Davidson, MD, PHD's license?

NPPES lists Pennsylvania license number MD442589, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Harold Carter Davidson, MD, PHD prescribe under Medicare Part D?

In 2024, Harold Carter Davidson, MD, PHD had 592 Medicare Part D claims for 218 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.