Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1619230810 Individual Practitioner Male Practitioner

Dr. Patrick Jason Mulroy , DO

Internal Medicine • Orange, CA

Professional Overview & Biography Verified Profile Summary

Dr. Patrick Mulroy, DO is a certified Internal Medicine practicing in Orange, CA. With approximately 14 years of clinical experience since completing medical education in 2012, Dr. Mulroy delivers high-quality medical care to the local community at 101 THE CITY DR S.

Dr. Mulroy does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, follow-up hospital inpatient care per day. 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 7144568888
Associated Practice Facility / Clinic
🏢 The Department Of Psychiatry Facility NPI 1831159003

Medicare Profile & Education

Medical School

Other

Graduation Year

2012

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Orange, CA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
14 Yrs -2.9 yrs vs City Avg
City Avg: 16.9 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
190 Specialists

Practicing in Orange, CA (18502 Statewide)

Telehealth Adoption Rate
23.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
63.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mulroy (14 Years) 14 Yrs
Orange Specialty Average (16.9 Years) 16.9 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
353 146 $191.00 $81.64
99238 Hospital discharge day management, 30 minutes or less
164 158 $226.00 $84.59
99231 Follow-up hospital inpatient care per day, typically 15 minutes
94 40 $111.00 $51.22
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
42 41 $444.00 $134.67

Medical Specialties & State Licenses

CMS Verified: 2026-06-12
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA 20A13247

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Secondary Practice Locations

3851 Katella Ave, Suite 155

Los Alamitos, CA 907202600

Phone: 5623441350

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Maryam Ahmadi , MD

Pathology - Clinical Pathology/Laboratory Medicine

NPI 1003497678

Doctor of Medicine (M.D.)

Dr. Theodore Pak , MD, PhD

Internal Medicine - Infectious Disease

NPI 1013476100

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Samuel Park , MD

Anesthesiology - Pain Medicine

NPI 1023174752

Doctor of Medicine (M.D.)

NPI 1033355235

Doctor of Medicine (M.D.)

Erin Thurston

Family Medicine

NPI 1033571153
NPI 1043451073

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location June 12, 2026

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144568888)

📍
Updated Business Mailing Address June 12, 2026

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144568888)

NPI Profile Active August 17, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location August 17, 2015

Registered at 3851 KATELLA AVE, SUITE 155, LOS ALAMITOS, CA 907202600 (Tel: 5623441350)

📍
Updated Business Mailing Address August 17, 2015

Registered at 3851 KATELLA AVE, SUITE 155, LOS ALAMITOS, CA 907203309 (Tel: 5623441350)

👤
Provider Name / Credentials Updated August 17, 2015

Recorded as PATRICK MULROY, D.O.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 17, 2015

Internal Medicine (License #20A13247 in CA)

🟢
Initial NPI Registration & Enumeration June 21, 2012

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: 1619230810
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 21, 2012
Last Update: June 12, 2026
Sole Proprietor: No

Mailing Address

101 The City Dr S

Orange, CA 928683201

Phone: 7144568888

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.