Dr. Christopher G. Tirce , MD
Anesthesiology • Pasadena, CA
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Christopher Tirce has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Christopher Tirce, MD was a registered Anesthesiology practicing in Pasadena, CA. Throughout an active medical career spanning 18 years, Dr. Tirce provided care at the practice location at 100 W CALIFORNIA BLVD until profile deactivation on 2026-07-02.
Historical Medicare Part B clinical services included insertion of artery tube for blood sampling or infusion through skin, anesthesia for procedure in upper abdomen including use of an endoscope, anesthesia for procedure in lower abdominal cavity including use of an endoscope. Public procedure reimbursement records and service volume details are provided below for historical transparency.
Practice Location & Contact Primary Location
100 W California Blvd
Pasadena, CA 911053010
Specialty Benchmarks & Practice Insights
Comparative analytics for Anesthesiology in Pasadena, CA
Practicing in Pasadena, CA (7879 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
36620
Insertion of artery tube for blood sampling or infusion through skin
|
23 | 23 | $396.00 | $45.56 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207L00000X
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.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner - Psychiatric/Mental Health
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Registered Nurse - Psychiatric/Mental Health, Adult
Registered Nurse
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on July 02, 2026
NPI status registered as active in NPPES database
Registered at 100 W CALIFORNIA BLVD, PASADENA, CA 911053010 (Tel: 6263975000)
Registered at 100 W CALIFORNIA BLVD, PASADENA, CA 911053010
Recorded as CHRISTOPHER TIRCE, M.D.
Anesthesiology (License #A105440 in CA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
100 W California Blvd
Pasadena, CA 911053010
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