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Active NPI 1821004565 Individual Practitioner Male Practitioner

Dr. John Raymond Spence , MD

Anesthesiology • Glendale, CA

Professional Overview & Biography Verified Profile Summary

Dr. John Spence, MD is a registered healthcare professional specializing in Anesthesiology in Glendale, CA. Practice services are available at 1812 VERDUGO BLVD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1812 Verdugo Blvd

Glendale, CA 912081407

Telephone 8187907100
Fax 8189524618
Associated Practice Facility / Clinic
🏢 Chandnish K Ahluwalia M D Inc Facility NPI 1013901974

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Glendale, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 28.8 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
51 Specialists

Practicing in Glendale, CA (7879 Statewide)

Telehealth Adoption Rate
2.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA A22649

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00A226490 (CA)
Commercial Insurance / Payer ID Blue Shield
00A226490 (CA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Gil Shlamovitz , MD

Emergency Medicine

NPI 1053418343

Doctor of Medicine (M.D.)

Dr. Jorge Flores , MD

Emergency Medicine

NPI 1073868006

Doctor of Medicine (M.D.)

Dr. Tyler Ronnfeldt , MD

Emergency Medicine

NPI 1083134878

Doctor of Medicine (M.D.)

Inessa Artsrunyan , NP

Nurse Practitioner - Acute Care

NPI 1093117079

Nurse Practitioner

Scott Byington

Nurse Practitioner - Acute Care

NPI 1104487123
Dr. Yukiko Ree , MD

Anesthesiology

NPI 1114214277

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1812 VERDUGO BLVD, GLENDALE, CA 912081407 (Tel: 8187907100)

📍
Updated Business Mailing Address July 08, 2007

Registered at 225 S LAKE AVE, 535, PASADENA, CA 911013005 (Tel: 6267956596)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN SPENCE, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Anesthesiology (License #A22649 in CA)

🟢
Initial NPI Registration & Enumeration August 01, 2006

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

NPI Number: 1821004565
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 01, 2006
Last Update: July 08, 2007
Sole Proprietor: Yes

Mailing Address

225 S Lake Ave, 535

Pasadena, CA 911013005

Phone: 6267956596

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.