Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1326195082 Individual Practitioner Male Practitioner

Dr. Robert Ray Redfield , MD

Transplant Surgery • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Redfield, MD is a certified Transplant Surgery practicing in Orange, CA. With approximately 20 years of clinical experience since graduating from University Of Maryland School Of Medicine in 2006, Dr. Redfield delivers high-quality medical care to the local community at 101 THE CITY DR S.

Dr. Redfield is affiliated with University Surgeons Of Orange A Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

101 The City Dr S

Orange, CA 928683201

Telephone 7148807812
Associated Practice Facility / Clinic
🏢 The Department Of Psychiatry Facility NPI 1831159003

Medicare Profile & Education

Medical School

University Of Maryland School Of Medicine

Graduation Year

2006

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Transplant Surgery in Orange, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
20 Yrs -7.3 yrs vs City Avg
City Avg: 27.3 Yrs
State Avg: 29.0 Yrs
Regional Practice Density
5 Specialists

Practicing in Orange, CA (75 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
77.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Redfield (20 Years) 20 Yrs
Orange Specialty Average (27.3 Years) 27.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
409 53 $454.00 $122.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
46 30 $882.00 $179.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
35 22 $430.00 $101.22
99238 Hospital discharge day management, 30 minutes or less
31 28 $358.00 $85.18
50360 Transplantation of donor kidney
24 24 $10685.37 $2517.72
99239 Hospital discharge day management, more than 30 minutes
16 13 $473.00 $120.03
50323 Preparation of donor kidney for transplantation
15 15 $771.00 $104.71

Medical Specialties & State Licenses

CMS Verified: 2025-06-02
Transplant Surgery Primary Specialty

NUCC Taxonomy Code: 204F00000X

State License CA C184403

A surgeon who specializes in transplant surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License PA MD436835

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

University Surgeons Of Orange A Medical Group

101 The City Dr S, Orange, CA 928683201

Phone: 7146345549

Secondary Practice Locations

3401 Civic Center Blvd

Philadelphia, PA 191044319

Phone: 2155902730

3400 Spruce St

Philadelphia, PA 191044238

Phone: 2156154949

Practice Associates & Co-Workers

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

40 Associated Practitioners
Miranda Ideal , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003378944

Certified Registered Nurse Anesthetist

Dr. David Floriolli , MD

Radiology - Neuroradiology

NPI 1013233212

Doctor of Medicine (M.D.)

Dr. Jesse Goitia , MD

Internal Medicine - Cardiovascular Disease

NPI 1013301290

Doctor of Medicine (M.D.)

Elen Araya , FNP

Nurse Practitioner

NPI 1023225281

Family Nurse Practitioner

Dr. Hayley Kristinsson , PsyD

Clinical Neuropsychologist

NPI 1023500493

Doctor of Psychology (Psy.D.)

Dr. Madushka De Zoysa , MD

Obstetrics & Gynecology

NPI 1023533387

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location June 02, 2025

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7148807812)

📍
Updated Practice Location August 21, 2020

Registered at 3400 SPRUCE ST, PHILADELPHIA, PA 191044238 (Tel: 2156154949)

📍
Updated Business Mailing Address August 21, 2020

Registered at 3400 SPRUCE ST, PHILADELPHIA, PA 191044238 (Tel: 2156154949)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 21, 2020

Surgery (License #MD436835 in PA)

NPI Profile Active April 30, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location April 30, 2015

Registered at 600 HIGHLAND AVE, MADISON, WI 537920001 (Tel: 6082631384)

📍
Updated Business Mailing Address April 30, 2015

Registered at 7974 UW HEALTH CT, MIDDLETON, WI 535625531

👤
Provider Name / Credentials Updated April 30, 2015

Recorded as ROBERT REDFIELD, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 30, 2015

Transplant Surgery (License #60490-20 in WI)

🟢
Initial NPI Registration & Enumeration January 04, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Robert Redfield. Be the first to share your experience!

Sign in to leave a review for Dr. Robert Redfield

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1326195082
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 04, 2007
Last Update: June 02, 2025
Sole Proprietor: No

Mailing Address

3400 Spruce St

Philadelphia, PA 191044238

Phone: 2156154949

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.