NPPES file of Aug 9, 2026

Richard Thomas Dibella, PA

Physician Assistant · San Francisco, CA

Richard Thomas Dibella, PA is a physician assistant with a practice address in San Francisco, California, and NPI 1134169410, issued on Jun 7, 2006. Check the license (California 22048, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134169410
Name
Richard Thomas Dibella
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
22048 CA
Self-reported in NPPES; status is on the state search
Practice location
3838 California St RM 805, San Francisco, CA 94118
Phone
(415) 600-0940
Enumerated
Jun 7, 2006
Record last updated
May 26, 2022
Fax
(415) 387-0730
Medicare enrollment
Enrolled (PECOS I20121031000472); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 3838 California St RM 805

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

  1. Sergio Alvarez-CardenasPhysician Assistant1841903911
  2. Robert Bartz, M.D.Family Medicine Physician1649319492
  3. Jillian Cauley, RN, CNMAdvanced Practice Midwife1669994422
  4. Kush GaurInternal Medicine Physician1689201022
  5. Trinh Green, MDFamily Medicine Physician1295808384
  6. Sara Levy, PHYSICIAN ASSISTANTMedical Physician Assistant1437821261

Verify Richard Thomas Dibella 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 22048
    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.

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8% fewer Medicare Part D claims than the average physician assistant in 2024

766 Medicare Part D claims for 142 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Richard Dibella766
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium77 claims
  2. Amlodipine Besylate53 claims
  3. Levothyroxine Sodium43 claims
  4. Lisinopril39 claims
  5. Hydrochlorothiazide24 claims
  6. Losartan Potassium24 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.

Industry payments in 2024: $263.90

2 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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. Richard Dibella$263.90
  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. Sutter Bay Medical FoundationSan Francisco, CA

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

Richard Thomas Dibella among 14,451 physician assistant records in California

Richard Thomas Dibella, PA 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1996 · median 2018 among the 7,214 with a school on file
  • Record last updated2022 · 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).

Physician Assistant providers in California

There are 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Veronika Archer, PA-CSan Francisco, CA 941181659424190
  2. Gloria Cheng, PASan Francisco, CA 941181548662109
  3. Eric Dyer, PA-CSan Francisco, CA 941181316289192
  4. Linda Gourley, PH.D., PA-CSan Francisco, CA 941181558584912
  5. Pamela Ibanez, PA-CSan Francisco, CA 941181225408768
  6. Ellen Liao, PA-CSan Francisco, CA 941181417129156
  7. Sarah Makin, MPAS, PA-CSan Francisco, CA 941181629596481
  8. Kelly Newhouse, P.A.-CSan Francisco, CA 941181639230147

Common questions

What is Richard Thomas Dibella, PA's NPI number?

Richard Thomas Dibella, PA's National Provider Identifier (NPI) is 1134169410, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard Thomas Dibella, PA located?

The NPPES record lists a practice address at 3838 California St RM 805, San Francisco, CA, 94118. Phone: (415) 600-0940. Providers update this record themselves, so call before visiting.

How can I verify Richard Thomas Dibella, PA's license?

NPPES lists California license number 22048, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Richard Thomas Dibella, PA prescribe under Medicare Part D?

In 2024, Richard Thomas Dibella, PA had 766 Medicare Part D claims for 142 beneficiaries; the average among physician assistant prescribers was 830. 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.