Doctor profile · Federal record

Dr. Thomas Weiser, MD

Surgical Critical Care Physician · Surgery Physician · Palo Alto, CA

  • NPI 1144201625
  • MIPS 75.5 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Palo Alto, CA 943042203
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
April 29, 2024
Specialty taxonomy
2086S0102X — NUCC code
State license (1)
California #A84864

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144201625. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
3
Medicare allowed
$13,354
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 46 17 $240
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 19 15 $56
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 13 13 $94

In context: peer comparison

Among 3 peers in Palo Alto Surgical Critical Care Physician, average services per provider: 72. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$700
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $700.00

By nature of payment

Consulting Fee
$700

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Weiser's medical specialty?
Dr. Thomas Weiser practices Surgical Critical Care Physician in Palo Alto, CA.
Where does Dr. Thomas Weiser practice?
Dr. Thomas Weiser practices at 300 Pasteur Dr, Palo Alto, CA 943042203. Office phone: 6507234000.
What is Dr. Thomas Weiser's NPI?
Dr. Thomas Weiser's National Provider Identifier (NPI) is 1144201625, issued by NPPES.
What procedures does Dr. Thomas Weiser commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.