Doctor profile · Federal record

Dr. David Riker, MD

Internal Medicine Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · San Diego, CA

  • NPI 1164405528
  • Accepts Medicare
  • MIPS 16.6 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039001
(617) 939-6943
fax (858) 822-5338

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
January 15, 2013
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Iowa #34683
Medicaid
IA #0289991

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164405528. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,970
Distinct HCPCS
10
Medicare allowed
$616,266
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 2,724 148 $124
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 545 42 $113
99291 Critical care, first 30-74 minutes 432 77 $219
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 426 62 $82
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 254 141 $13
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 168 145 $180
31645 Aspiration of initial secretion of lung airway using an endoscope 64 61 $133
43246 Insertion of stomach tube using a flexible endoscope 60 59 $179
31575 Diagnostic exam of voice box using a flexible endoscope 48 41 $36
76937 Ultrasonic guidance for blood vessel access 38 28 $14

In context: peer comparison

Among 193 peers in this city , average services per provider: 141. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,956
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Cook Incorporated 1 $3,867.50
Cook Medical LLC 1 $88.08

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$3,868
Food and Beverage
$88

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
0
Total drug cost
$431
Drug Type Claims Patients Total cost
Ipratropium-Albuterol (Ipratropium/Albuterol Sulfate) Brand 28 0 $255
Gabapentin Generic 13 0 $177

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Riker's medical specialty?
Dr. David Riker practices Internal Medicine Physician in San Diego, CA.
Where does Dr. David Riker practice?
Dr. David Riker practices at 200 W Arbor Dr, San Diego, CA 921039001. Office phone: 6179396943.
What is Dr. David Riker's NPI?
Dr. David Riker's National Provider Identifier (NPI) is 1164405528, issued by NPPES.
Does Dr. David Riker accept Medicare assignment?
Yes. Dr. David Riker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Riker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.