Doctor profile · Federal record

Dr. Richard Dibella, PA

Physician Assistant · Medical Physician Assistant · San Francisco, CA

  • NPI 1134169410
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3838 California St Rm 805
San Francisco, CA 941181510
(415) 600-0940
fax (415) 387-0730
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 26, 2022
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #22048

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134169410. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
340
Distinct HCPCS
5
Medicare allowed
$33,585
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 237 160 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 53 48 $130
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $133
99212 Established patient office or other outpatient visit, 10-19 minutes 16 12 $59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 11 11 $73

In context: peer comparison

Among 92 peers in San Francisco Physician Assistant, average services per provider: 140. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$264
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 1 $143.71
Abbvie INC. 1 $120.19

By nature of payment

Food and Beverage
$264

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
666
Patients
171
Total drug cost
$43,880
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 112 41 $1,726
Levothyroxine Sodium Generic 87 27 $1,272
Lisinopril Generic 71 26 $873
Amlodipine Besylate Generic 58 20 $623
Hydrochlorothiazide Generic 44 16 $211
Metformin Hcl Generic 43 16 $373
Losartan Potassium Generic 37 14 $597
Escitalopram Oxalate Generic 32 0 $463
Simvastatin Generic 31 11 $325
Zolpidem Tartrate Generic 27 0 $195

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Dibella's medical specialty?
Dr. Richard Dibella practices Physician Assistant in San Francisco, CA.
Where does Dr. Richard Dibella practice?
Dr. Richard Dibella practices at 3838 California St Rm 805, San Francisco, CA 941181510. Office phone: 4156000940.
What is Dr. Richard Dibella's NPI?
Dr. Richard Dibella's National Provider Identifier (NPI) is 1134169410, issued by NPPES.
Does Dr. Richard Dibella accept Medicare assignment?
Yes. Dr. Richard Dibella accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Dibella commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.