1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Anesthesiology
  6. NPI Profile

JESSIE XILI MA MD
NPI 1952988545
Anesthesiology in San Francisco, CA

Active since March 28, 2021PECOS EnrolledAccepts Medicare Assignment
521 PARNASSUS AVE FL 4, SAN FRANCISCO, CA 94143(415) 476-9035 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 8, 2025, Mar 28, 2021 (2 updates tracked since 2021).

About Jessie Xili Ma Md NPPES

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

JESSIE XILI MA MD (NPI 1952988545) is an individual anesthesiology provider in San Francisco, California, licensed in California (A181458) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2021).

NPPES Registry Identity

NPI1952988545
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameJESSIE XILI MACredential: MD
Location Address521 PARNASSUS AVE FL 4San Francisco, CA 94143-2206
Mailing Address521 Parnassus Ave Fl 4San Francisco, CA 94143-2206 · (415) 476-9035
Phone(415) 476-9035
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateAugust 8, 20252 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
✔ NPI 1952988545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A181458
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
521 PARNASSUS AVE FL 4, San Francisco, CA 94143
Open in Google Maps ↗

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

Jessie Xili Ma 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 ID941600225
PECOS Enrollment IDI20250703002564
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

4

Medicare enrollment records show Jessie Ma reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Anesthesia Medical Group
Same address
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
NPI 1528137296 (415) 476-1000
University Of California San Francisco
Same address
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
Same address
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
G2 Anesthesia PC
45 mi
Anesthesiology
15466 LOS GATOS BLVD STE 109-297
Los Gatos, CA 95032
  • Reassigned Medicare billing, California enrollment
  • 140 clinicians in this Medicare group
NPI 1487214698 (408) 354-2114

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

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.

MONIQUE E. KING M.D.
Anesthesiology
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9035
MARC BOZYCH DO
Anesthesiology (Pediatric Anesthesiology)
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9035
DR. MICHELLE DINH NGUYEN M.D.
Anesthesiology
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7952
ERGIT PAPARISTO
Anesthesiology
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7952
RENAE M TAYS MD
Anesthesiology
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7952
DR. KATHARINA MARIA BRAB MD, PHD
Anesthesiology
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 941-8869
SELINA GARCIA MD
Anesthesiology
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9035
DR. FLORIAN ERIC ROQUET MD
Anesthesiology (Critical Care Medicine)
521 PARNASSUS AVE FL 4
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9035

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 Jessie Ma's NPI number?

The NPI number for Jessie Ma is 1952988545. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Jessie Ma located?

Jessie Ma practices at 521 Parnassus Ave Fl 4, San Francisco, CA 94143. The listed phone number is (415) 476-9035.

What is Jessie Ma's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jessie Ma enrolled in Medicare?

Yes. Jessie Ma 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 Jessie Ma's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jessie Ma reassigns Medicare benefits to 4 organizations: University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and G2 Anesthesia PC (Los Gatos, 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 Jessie Ma'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 Jessie Ma was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.