Gregory Davidson, PA
NPI 1154809044 · Physician Assistant · Murrieta, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Davidson, PA is a Physician Assistant provider in Murrieta, CA (NPI 1154809044).
Provider details
- NPI number
- 1154809044
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
211 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 98 | $6 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 27 | $39 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 25 | $98 |
| Destruction of Skin Growth, 1-14 Growths17110 | 22 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $80 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 94 | 93 |
| Azithromycin | 70 | 69 |
| Triamcinolone Acetonide | 65 | 59 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 55 | 44 |
| Cephalexin | 54 | 54 |
| Ketoconazole | 53 | 41 |
| Clobetasol Propionate | 52 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$232 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-08-01
- Last updated
- 2023-01-13
Frequently asked questions
- What is Gregory Davidson's NPI number?
- Gregory Davidson's National Provider Identifier (NPI) is 1154809044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Davidson's specialty?
- Gregory Davidson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Davidson located?
- Gregory Davidson's practice location on file with NPPES is 28624 Hellebore St, Murrieta, CA 92563-7446.
- What is Gregory Davidson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Davidson is (858) 943-1928.
- Does Gregory Davidson accept Medicare?
- Gregory Davidson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Davidson's NPI active?
- Yes — Gregory Davidson's NPI (1154809044) is active in the NPPES registry as of the last update on 2023-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.