Doctor profile · Federal record

Dr. David Wallace, MD, MPH

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Castro Valley, CA

  • NPI 1770780835
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20103 Lake Chabot RD
Castro Valley, CA 945465305
(510) 537-1234
Mailing address
3215 Burdeck Dr
Oakland, CA 946022623

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
August 30, 2025
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (4)
California #C170028 · Pennsylvania #MD441174 · South Carolina #85105 · Texas #S9431

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770780835. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
577
Distinct HCPCS
7
Medicare allowed
$109,885
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 385 167 $232
99292 Critical care, each additional 30 minutes 74 41 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 32 32 $88
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 27 26 $90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 23 $132
36620 Insertion of artery tube for blood sampling or infusion through skin 18 18 $47
31500 Emergent insertion of breathing tube into windpipe using an endoscope 17 17 $149

In context: peer comparison

Among 1 peers in Castro Valley Critical Care Medicine (Internal Medicine) Physician, average services per provider: 82. This provider delivers 7.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Wallace's medical specialty?
Dr. David Wallace practices Critical Care Medicine (Internal Medicine) Physician in Castro Valley, CA.
Where does Dr. David Wallace practice?
Dr. David Wallace practices at 20103 Lake Chabot RD, Castro Valley, CA 945465305. Office phone: 5105371234.
What is Dr. David Wallace's NPI?
Dr. David Wallace's National Provider Identifier (NPI) is 1770780835, issued by NPPES.
Does Dr. David Wallace accept Medicare assignment?
Yes. Dr. David Wallace accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Wallace commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Critical care (HCPCS 99292); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.