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DR. TAMMY B LEE D.O.
NPI 1437164712
Anesthesiology in Riverside, CA

Active since July 29, 2006PECOS EnrolledAccepts Medicare Assignment
1885 STEINMAN ST, RIVERSIDE, CA 92507(941) 202-1940(951) 534-0423 Get Directions Write a Review

NPPES record last updated: October 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Tammy B Lee D.o. NPPES

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

DR. TAMMY B LEE D.O. (NPI 1437164712) is an individual anesthesiology provider in Riverside, California, licensed in California (20A9151) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1437164712
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. TAMMY B LEECredential: D.O.
Location Address1885 STEINMAN STRiverside, CA 92507-7810
Mailing Address1885 Steinman StRiverside, CA 92507-7810 · (941) 202-1940 · Fax (951) 534-0423
Phone(941) 202-1940
Fax(951) 534-0423
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 29, 2006
Last NPPES UpdateOctober 14, 2021
NPPES CertifiedOctober 14, 2021
✔ NPI 1437164712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · 20A9151
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.
1885 STEINMAN ST, Riverside, CA 92507
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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 and accepts Medicare assignment

Dr. Tammy B Lee D.o. 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 ID8123022985
PECOS Enrollment IDI20060908000436
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 Tammy Lee reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
28 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000
Talbert Anesthesia Group Incorporated
43 mi
Anesthesiology
10904 REAGAN ST
Los Alamitos, CA 90720
  • Reassigned Medicare billing, California enrollment
  • 63 clinicians in this Medicare group
NPI 1144626714 (562) 596-3140
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.

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 Tammy Lee's NPI number?

The NPI number for Tammy Lee is 1437164712. It was assigned to this individual provider in the NPPES registry on July 29, 2006.

Where is Tammy Lee located?

Tammy Lee practices at 1885 Steinman St, Riverside, CA 92507. The listed phone number is (941) 202-1940.

What is Tammy Lee's specialty?

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

Is Tammy Lee enrolled in Medicare?

Yes. Tammy Lee 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 Tammy Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Lee reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Anaheim, CA), Talbert Anesthesia Group Incorporated (Los Alamitos, 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 Tammy 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 Tammy Lee was last updated on October 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.