Harold Davidson, MD, PHD
NPI 1487804555 · Otolaryngology Physician · Chambersburg, PA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Davidson, MD, PHD is a Otolaryngology Physician provider in Chambersburg, PA (NPI 1487804555).
Provider details
- NPI number
- 1487804555
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD442589 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,619 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 664 | $3 |
| Professional Service for Single Injection of Allergen95115 | 214 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $121 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 122 | $158 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 103 | $117 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 97 | $171 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 127 | 44 |
| Omeprazole | 72 | 25 |
| Fluticasone Propionate | 63 | 30 |
| Prednisone | 35 | 32 |
| Montelukast Sodium | 32 | — |
| Mupirocin | 32 | 28 |
| Ofloxacin | 23 | 16 |
| Oxycodone Hcl/Acetaminophen |
Practice location
Mailing address
Additional practice locations (5)
- 354 Alexander Spring Rd Ste 3Carlisle, PA 17015-7451Phone: (717) 217-6870Fax: (717) 217-6945
- 112 N 7th StChambersburg, PA 17201-1720Phone: (717) 217-4300Fax: (717) 217-4217
- 24 Antrim Commons DriveGreencastle, PA 17225-1623Phone: (717) 217-6870Fax: (717) 217-6945
- 501 E Main StWaynesboro, PA 17268-2353Phone: (717) 765-4000Fax: (717) 765-3669
- 601 East Main StreetWaynesboro, PA 17268-2332Phone: (717) 217-6870Fax: (717) 217-6945
Registry dates
- Enumerated
- 2008-09-25
- Last updated
- 2021-04-09
- Certified
- 2021-04-09
Frequently asked questions
- What is Harold Davidson's NPI number?
- Harold Davidson's National Provider Identifier (NPI) is 1487804555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Davidson's specialty?
- Harold Davidson is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Davidson located?
- Harold Davidson's practice location on file with NPPES is 22 St Paul Dr Ste 202, Chambersburg, PA 17201-1036.
- What is Harold Davidson's phone number?
- The practice phone number listed in the NPPES registry for Harold Davidson is (717) 217-6870.
- Does Harold Davidson accept Medicare?
- Harold Davidson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Davidson's NPI active?
- Yes — Harold Davidson's NPI (1487804555) is active in the NPPES registry as of the last update on 2021-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.