Diana Riley, M.P.H., M.S.,P.A.-C.
NPI 1730386046 · Physician Assistant · Lakeport, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Riley, M.P.H., M.S.,P.A.-C. is a Physician Assistant provider in Lakeport, CA (NPI 1730386046).
Provider details
- NPI number
- 1730386046
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- M.P.H., M.S.,P.A.-C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 16295 (CA)
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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,633 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 | 2,686 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,209 | $111 |
| Destruction of Skin Growth, 1-14 Growths17110 | 668 | $101 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 556 | $43 |
| Biopsy of Related Skin Growth, First Growth11102 | 311 | $72 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 156 | 87 |
| Triamcinolone Acetonide | 129 | 104 |
| Betamethasone Dipropionate | 81 | 42 |
| Nystatin | 53 | 31 |
| Hydrocortisone | 52 | 41 |
| Fluocinonide | 39 | 25 |
| Doxycycline Hyclate | 36 | 27 |
| Clindamycin Phosphate | 33 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$419 across 15 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
- 2007-06-29
- Last updated
- 2023-05-03
- Certified
- 2023-05-03
Frequently asked questions
- What is Diana Riley's NPI number?
- Diana Riley's National Provider Identifier (NPI) is 1730386046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Riley's specialty?
- Diana Riley is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Riley located?
- Diana Riley's practice location on file with NPPES is 5144 Hill Rd E, Lakeport, CA 95453-6300.
- What is Diana Riley's phone number?
- The practice phone number listed in the NPPES registry for Diana Riley is (707) 263-8955.
- Does Diana Riley accept Medicare?
- Diana Riley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Riley's NPI active?
- Yes — Diana Riley's NPI (1730386046) is active in the NPPES registry as of the last update on 2023-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.