PROF. MATTHIEU LEGRAND MD, PHD
NPI 1033752365
Anesthesiology - Critical Care Medicine in San Francisco, CA

Active since October 18, 2019PECOS EnrolledAccepts Medicare Assignment
500 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-9035 Get Directions Write a Review

NPPES record last updated: October 18, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Prof. Matthieu Legrand Md, Phd NPPES

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

PROF. MATTHIEU LEGRAND MD, PHD (NPI 1033752365) is an individual critical care medicine provider in San Francisco, California, licensed in California (F612) and active in the NPI registry since October 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1033752365
Entity TypeIndividualMale
Primary Taxonomy207LC0200X
Provider Legal NamePROF. MATTHIEU LEGRANDCredential: MD, PHD
Location Address500 PARNASSUS AVESan Francisco, CA 94143-2203
Mailing Address177 Oakdale AveMill Valley, CA 94941-5301 · (628) 237-9438
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateOctober 18, 2019
✔ NPI 1033752365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License✔ Licensed in CA · F612
Definition
An anesthesiologist, 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.
500 PARNASSUS AVE, San Francisco, CA 94143

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

Prof. Matthieu Legrand 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 ID749615383
PECOS Enrollment IDI20200108002892
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

3

Medicare enrollment records show Matthieu Legrand reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims

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.

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.
69 services34 patients

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.

Thoracic Surgery (Cardiothoracic Vascular Surgery)
500 PARNASSUS AVE, MUW425
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Pharmacist
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Orthopaedic Surgery
500 PARNASSUS AVE, MU 320W
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Pharmacist
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
General Acute Care Hospital
500 PARNASSUS AVE, 11 LONG, BOX 0210
SAN FRANCISCO, CA 94143

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 Matthieu Legrand's NPI number?

The NPI number for Matthieu Legrand is 1033752365. It was assigned to this individual provider in the NPPES registry on October 18, 2019.

Where is Matthieu Legrand located?

Matthieu Legrand practices at 500 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-9035.

What is Matthieu Legrand's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

Is Matthieu Legrand enrolled in Medicare?

Yes. Matthieu Legrand 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 Matthieu Legrand's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthieu Legrand reassigns Medicare benefits to 3 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and University Anesthesia Medical Group (San Francisco, 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 Matthieu Legrand'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 Matthieu Legrand was last updated on October 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.