Doctor profile · Federal record

Dr. Robert Deiss, MD

Internal Medicine Physician (CMS: Internal Medicine) · Infectious Disease Physician · San Diego, CA

  • NPI 1194977652
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4168 Front St Fl 3
San Diego, CA 921032030
(800) 926-8273
fax (888) 539-8781
Additional location
200 W Arbor Dr
San Diego, CA 921039000
Mailing address
File 57326
Los Angeles, CA 900747326

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
January 21, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A111310

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194977652. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
164
Distinct HCPCS
5
Medicare allowed
$20,059
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 51 24 $149
99214 Established patient office or other outpatient visit, 30-39 minutes 42 22 $101
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 19 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $179
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 16 13 $123

In context: peer comparison

Among 193 peers in this city , average services per provider: 141. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$433
Transactions
22
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 22 $432.74

By nature of payment

Food and Beverage
$433

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
967
Patients
102
Total drug cost
$1,497,643
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 293 39 $1,178,780
Atorvastatin Calcium Generic 108 26 $1,180
Gabapentin Generic 97 15 $2,631
Omeprazole Generic 54 11 $340
Losartan Potassium Generic 48 11 $651
Tamsulosin Hcl Generic 45 0 $1,428
Tivicay (Dolutegravir Sodium) Brand 42 0 $89,299
Bupropion Xl (Bupropion Hcl) Brand 40 0 $1,417
Trazodone Hcl Generic 40 0 $182
Dovato (Dolutegravir Sodium/Lamivudine) Brand 38 0 $108,110

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Deiss's medical specialty?
Dr. Robert Deiss practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Robert Deiss practice?
Dr. Robert Deiss practices at 4168 Front St Fl 3, San Diego, CA 921032030. Office phone: 8009268273.
What is Dr. Robert Deiss's NPI?
Dr. Robert Deiss's National Provider Identifier (NPI) is 1194977652, issued by NPPES.
Does Dr. Robert Deiss accept Medicare assignment?
Yes. Dr. Robert Deiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Deiss commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.