THOMAS GEOGHEGAN WEISER MD
NPI 1144201625
Surgery - Surgical Critical Care in Palo Alto, CA

Active since November 10, 2005PECOS EnrolledAccepts Medicare Assignment
76.5/100
CMS Quality Rating
300 PASTEUR DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: April 29, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 29, 2024, Jul 28, 2023 (2 updates tracked since 2023).

About Thomas Geoghegan Weiser Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS GEOGHEGAN WEISER MD (NPI 1144201625) is an individual surgical critical care provider in Palo Alto, California, licensed in California (A84864) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of New Mexico School Of Medicine (2002).

NPPES Registry Identity

NPI1144201625
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameTHOMAS GEOGHEGAN WEISERCredential: MD
Location Address300 PASTEUR DRPalo Alto, CA 94304-2203
Mailing Address300 Pasteur DrPalo Alto, CA 94304-2203 · (650) 723-4000
Sole ProprietorNo
Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 2002
Enumeration DateNovember 10, 2005
Last NPPES UpdateApril 29, 20242 updates tracked since enumeration
NPPES CertifiedApril 29, 2024
NPI 1144201625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License Licensed in CA · A84864
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License A84864 (CA)
300 PASTEUR DR, Palo Alto, CA 94304

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thomas Geoghegan Weiser Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375790496
PECOS Enrollment IDI20120824000447
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
44 services29 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
29 services11 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
14 services13 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.31
Promoting Interoperability100
Improvement Activities40
Cost43.95

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Adult Health)
300 PASTEUR DR
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychosomatic Medicine)
300 PASTEUR DR
PALO ALTO, CA 94304
Psychologist (Clinical)
300 PASTEUR DR
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Colon & Rectal Surgery
300 PASTEUR DR
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Weiser's NPI number?

The NPI number for Thomas Weiser is 1144201625. It was assigned to this individual provider in the NPPES registry on November 10, 2005.

Where is Thomas Weiser located?

Thomas Weiser practices at 300 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Thomas Weiser's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Thomas Weiser enrolled in Medicare?

Yes. Thomas Weiser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Thomas Weiser was last updated on April 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.