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DR. THOMAS CHIEN LEE M.D.
NPI 1083782494
Anesthesiology in Whittier, CA

Active since December 01, 2006PECOS Enrolled
76.26/100
CMS Quality Rating
12401 WASHINGTON BLVD, WHITTIER, CA 90602(562) 698-0811 Get Directions Write a Review

NPPES record last updated: March 25, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Thomas Chien Lee M.d. NPPES

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

DR. THOMAS CHIEN LEE M.D. (NPI 1083782494) is an individual anesthesiology provider in Whittier, California, licensed in California (G80328) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083782494
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. THOMAS CHIEN LEECredential: M.D.
Location Address12401 WASHINGTON BLVDWhittier, CA 90602-1006
Mailing AddressPo Box 4259Cerritos, CA 90703-4259 · (562) 407-2080 · Fax (562) 407-2082
Phone(562) 698-0811
Sole ProprietorYes
Enumeration DateDecember 1, 2006
Last NPPES UpdateMarch 25, 2025
NPPES CertifiedMarch 25, 2025
✔ NPI 1083782494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · G80328
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.
12401 WASHINGTON BLVD, Whittier, CA 90602
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G803280CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas Chien Lee M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

5

Medicare enrollment records show Thomas Lee reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pih Health Physicians
Same address
Ophthalmology
12401 WASHINGTON BLVD, SUITE 100
Whittier, CA 90602
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
NPI 1295131621 (562) 967-2885
Surgical Anesthesia Medical Associates Inc
8.8 mi
Anesthesiology
18575 GALE AVE STE 198
City Of Industry, CA 91748
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group
NPI 1104923358 (626) 965-3880
Thomas C. Lee M.D. Inc.
8.8 mi
Anesthesiology
18575 GALE AVE
City Of Industry, CA 91748
  • Reassigned Medicare billing, California enrollment
NPI 1679582993 (626) 965-3880
Orange Coast Anesthesia Inc
18 mi
Anesthesiology
2601 E CHAPMAN AVE
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 168 clinicians in this Medicare group
NPI 1508138256 (714) 633-0011
Allied Anesthesia Medical Group Inc
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
No phone listed

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 5

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
190 services181 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
90 services89 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
59 services59 patients
Anesthesia for retinal surgery 00145
Anesthesia for retinal surgery involves using medications to numb your eye and surrounding area. This prevents pain and discomfort during the procedure. You may also receive medication to help you relax. The anesthesia can be local (just your eye) or general (you're asleep).
26 services26 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
13 services13 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality62.74
Improvement Activities40
Cost59.29

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 RITA KAR INC
Anesthesiology
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 689-0811
TRACEY SHIN KIM MD
Internal Medicine
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 698-0811
ROGER S WOODARD MD
Emergency Medicine
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 698-0811
RHODORA GUEVARRA IVES
Registered Nurse
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 698-0811
SERRA COLLINS PA-C
Physician Assistant
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 698-0811
PIH HEALTH WHITTIER HOSPITAL
General Acute Care Hospital
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 698-0811
DR. GLORIA M MORALES MD
Pediatrics (Neonatal-Perinatal Medicine)
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 698-0811
CHARLENE OSORIO PATRIARCA MSN, NP-C
Nurse Practitioner (Family)
12401 WASHINGTON BLVD
WHITTIER, CA 90602
Los Angeles County (562) 698-0811

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 Lee's NPI number?

The NPI number for Thomas Lee is 1083782494. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is Thomas Lee located?

Thomas Lee practices at 12401 Washington Blvd, Whittier, CA 90602. The listed phone number is (562) 698-0811.

What is Thomas Lee's specialty?

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

Is Thomas Lee enrolled in Medicare?

Yes. Thomas Lee is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thomas Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Lee reassigns Medicare benefits to 5 organizations: Pih Health Physicians (Whittier, CA), Surgical Anesthesia Medical Associates Inc (City Of Industry, CA), Thomas C. Lee M.D. Inc. (City Of Industry, CA), Orange Coast Anesthesia Inc (Orange, CA) and Allied Anesthesia Medical Group Inc (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 Lee'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 Lee was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.