XI LI MD
NPI 1215390638
Anesthesiology - Pediatric Anesthesiology in Palo Alto, CA

Active since April 02, 2016PECOS EnrolledAccepts Medicare Assignment
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 9, 2025, Sep 24, 2024, Apr 11, 2024 and 3 more (6 updates tracked since 2016).

About Xi Li Md NPPES

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

XI LI MD (NPI 1215390638) is an individual pediatric anesthesiology provider in Palo Alto, California, licensed in California (A151996) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1215390638
Entity TypeIndividualFemale
Primary Taxonomy207LP3000X
Provider Legal NameXI LICredential: MD
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2016
Enumeration DateApril 2, 2016
Last NPPES UpdateDecember 9, 20256 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
NPI 1215390638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiology · Pediatric AnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207LP3000X
License Licensed in CA · A151996
Definition
An anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs of infants and children. A pediatric anesthesiologist generally provides services including the evaluation of complex medical problems in infants and children when surgery is necessary, planning and care for children before and after surgery, pain control, anesthesia and sedation for any procedures out of the operating room such as MRI, CT scan, and radiation therapy.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 331960 (NY), A151996 (CA)
725 WELCH RD, Palo Alto, CA 94304

Other Names 1

Former Name (1)Emma Li

Secondary Practice Locations 2

Location 11 Gustave L Levy PlNew York, NY 10029-6504 · Phone (212) 241-6426
Location 2300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-6661

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

Xi Li 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 ID6901213099
PECOS Enrollment IDI20241010002078
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Sinai Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

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
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
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.

Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Hospitalist
725 WELCH RD
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 Xi Li's NPI number?

The NPI number for Xi Li is 1215390638. It was assigned to this individual provider in the NPPES registry on April 2, 2016. The provider is also known as Emma Li.

Where is Xi Li located?

Xi Li practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Xi Li's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.

Is Xi Li enrolled in Medicare?

Yes. Xi Li 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.

Is Xi Li affiliated with any hospitals?

According to CMS data, Xi Li is affiliated with Mount Sinai Hospital.

When was this NPI record last updated?

The NPPES record for Xi Li was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.