NPPES file of Aug 9, 2026

Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C.

Physician Assistant · Lakeport, CA

Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C. is a physician assistant with a practice address in Lakeport, California, and NPI 1730386046, issued on Jun 29, 2007. Check the license (California 16295, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730386046
Name
Diana Elizabeth Riley
Credential
M.P.H., M.S.,P.A.-C.
Primary taxonomy
Physician Assistant 363A00000X
License number
16295 CA
Self-reported in NPPES; status is on the state search
Practice location
5144 Hill RD E, Lakeport, CA 95453
Phone
(707) 263-8955
Enumerated
Jun 29, 2007
Record last updated
May 3, 2023
Fax
(707) 263-8340
Medicare enrollment
Enrolled (PECOS I20150205001695); may accept 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.
Download card Updates feed

Also registered at 5144 Hill RD E

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

  1. Kinston Cummings, PAPhysician Assistant1295462778
  2. Megan Furniss, D.O.Dermatology Physician1528359577
  3. Christine Goold, FNP/PA-CPhysician Assistant1184679300
  4. Gregory Hadfield, PA-CPhysician Assistant1285869966
  5. James Kahn, MDDermatology Physician1316030224

Verify Diana Elizabeth Riley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 16295
    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 California 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

10% more Medicare Part D claims than the average physician assistant in 2024

913 Medicare Part D claims for 384 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Diana Riley913
  2. Specialty average830

Most prescribed

  1. Ketoconazole156 claims
  2. Triamcinolone Acetonide129 claims
  3. Betamethasone Dipropionate81 claims
  4. Nystatin53 claims
  5. Hydrocortisone52 claims
  6. Fluocinonide39 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.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $419.38

15 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Riley$419.38
  2. Specialty average$841.65

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

Bills Medicare through one group practice

  1. Lake County Tribal Health Consortium IncLakeport, CA

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

Diana Elizabeth Riley among 14,451 physician assistant records in California

Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C. is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.

  • NPI issued2007 · 13% of these records are older, 78% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2001 · median 2018 among the 7,214 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 physician assistant records list a practice address in Lakeport

They are 11 of the 375 NPPES records with a practice address in Lakeport, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Kinston Cummings, PALakeport, CA 954531295462778
  2. Jayla Flaum, PA-CLakeport, CA 954531043889470
  3. Christine Goold, FNP/PA-CLakeport, CA 954531184679300
  4. Gregory Hadfield, PA-CLakeport, CA 954531285869966
  5. Sofia KenneallyLakeport, CA 954531528718327
  6. Kimberly Kirschner, PA-CLakeport, CA 954531194567727
  7. Jaques Ngakam, PALakeport, CA 954531194254995
  8. Shayaan SajidLakeport, CA 954531396468435

Common questions

What is Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C.'s NPI number?

Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C.'s National Provider Identifier (NPI) is 1730386046, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C. located?

The NPPES record lists a practice address at 5144 Hill RD E, Lakeport, CA, 95453. Phone: (707) 263-8955. Providers update this record themselves, so call before visiting.

How can I verify Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C.'s license?

NPPES lists California license number 16295, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C. prescribe under Medicare Part D?

In 2024, Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C. had 913 Medicare Part D claims for 384 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Diana Elizabeth Riley, M.P.H., M.S.,P.A.-C.'s MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.