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DR. THOMAS ALEXANDER MEREDITH MD, PHD
NPI 1831056399
Internal Medicine - Interventional Cardiology in Palo Alto, CA

Active since January 07, 2026PECOS EnrolledAccepts Medicare Assignment
500 PASTEUR DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 10, 2026, Jan 7, 2026 (2 updates tracked since 2026).

About Dr. Thomas Alexander Meredith Md, Phd NPPES

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

DR. THOMAS ALEXANDER MEREDITH MD, PHD (NPI 1831056399) is an individual interventional cardiology provider in Palo Alto, California, licensed in California (SPI969) and active in the NPI registry since January 2026. He is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1831056399
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. THOMAS ALEXANDER MEREDITHCredential: MD, PHD
Location Address500 PASTEUR DRPalo Alto, CA 94304-1048
Mailing Address500 Pasteur DrPalo Alto, CA 94304-1048 · (650) 723-4000
Phone(650) 723-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJanuary 7, 2026
Last NPPES UpdateAugust 10, 20262 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
✔ NPI 1831056399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
Licenses✔ Licensed in CA · SPI969✔ Licensed in CA · PTL20666
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License SPI969 (CA)
500 PASTEUR DR, Palo Alto, CA 94304
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Alexander Meredith Md, Phd 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 ID4789149519
PECOS Enrollment IDI20260722000599
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Thomas Meredith reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stanford Health Care
0.1 mi
General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
NPI 1437292927 (650) 723-4000
Lpch Medical Group Div Of Lucile
0.2 mi
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
NPI 1417907940 (650) 498-6762

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. INDRANI GUZMAN DAS MD, MPH
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
CALLIE KIYONO VANWINKLE
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 724-4750
DR. RAVNIT K. BHATIA DO
Internal Medicine (Geriatric Medicine)
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
DIVYA RAMAKRISHNAN MD
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
HANS-CHRISTOPH RICHARD FREDERIK BECKER MD
Radiology (Diagnostic Radiology)
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
JUDITH SUNAH KIM PHARMD
Pharmacist
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-8561
HELIO VINICIUS NEVES DA SILVA MD
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
SARAH JANE ROCKWOOD
Student in an Organized Health Care Education/Training Program
500 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000

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 Meredith's NPI number?

The NPI number for Thomas Meredith is 1831056399. It was assigned to this individual provider in the NPPES registry on January 7, 2026.

Where is Thomas Meredith located?

Thomas Meredith practices at 500 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Thomas Meredith's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Thomas Meredith enrolled in Medicare?

Yes. Thomas Meredith 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.

Which organizations bill Medicare for Thomas Meredith's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Meredith reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Meredith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thomas Meredith was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.