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LYNN CHI MD
NPI 1053999755
Anesthesiology in Orange, CA

Active since April 01, 2021PECOS Enrolled
101 THE CITY DR S, ORANGE, CA 92868(714) 456-7890 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 5, 2026, Mar 30, 2026, Apr 5, 2021 and 1 more (4 updates tracked since 2021).

About Lynn Chi Md NPPES

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

LYNN CHI MD (NPI 1053999755) is an individual anesthesiology provider in Orange, California, licensed in California (A184395) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Florida Atlantic University, College Of Medicine (2021).

NPPES Registry Identity

NPI1053999755
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameLYNN CHICredential: MD
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address101 The City Dr SOrange, CA 92868-3201
Phone(714) 456-7890
Sole ProprietorNo
Medical School CMSFlorida Atlantic University, College Of MedicineGraduated 2021
Enumeration DateApril 1, 2021
Last NPPES UpdateJune 5, 20264 updates tracked since enumeration
NPPES CertifiedJune 5, 2026
✔ NPI 1053999755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A184395
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
101 THE CITY DR S, Orange, CA 92868
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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 (PECOS)

Lynn Chi Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6800362948
PECOS Enrollment IDI20260416002876
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 Reassignment

Medicare enrollment records show Lynn Chi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of
0.3 mi
Anesthesiology
101 THE CITY DR SOUTH
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
NPI 1487602546 (714) 456-8068

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.

DR. ANKIT BHUPENDRA PATEL D.O.
Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-5113
DR. LAURA CATHERINE SKOCZYLAS MD
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Orange County (714) 456-8224
MICHAEL CHENG DO
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7110
AESTHETIC AND PLASTIC SURGERY INSTITUTE
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-2986
JOSEPH VILLARREAL M.D.
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Orange County (714) 456-5239
DEMI TRAN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Orange County (171) 456-6693
DR. ISABEL CARLTON CLARK M.D.
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7890
DYLAN LUKATO
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Orange County (415) 218-8041

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 Lynn Chi's NPI number?

The NPI number for Lynn Chi is 1053999755. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Where is Lynn Chi located?

Lynn Chi practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7890.

What is Lynn Chi's specialty?

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

Is Lynn Chi enrolled in Medicare?

Yes. Lynn Chi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lynn Chi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Chi reassigns Medicare benefits to Regents Of The University Of (Orange, CA). The 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 Lynn Chi'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 Lynn Chi was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.