Active NPI 1780775718 Individual Practitioner Male Practitioner

Dr. Robert Tri Nguyen , MD

Internal Medicine • Oxnard, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Nguyen, MD is a certified Internal Medicine practicing in Oxnard, CA. With approximately 25 years of clinical experience since completing medical education in 2001, Dr. Nguyen delivers high-quality medical care to the local community at 815 COOPER ROAD.

Dr. Nguyen is affiliated with Inpatient Specialists Of California Pc 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, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

815 Cooper Road

Oxnard, CA 93030

Telephone 8054879892

Fax 8054877590

Associated Practice Facility / Clinic

🏢 Salida Del Sol Family Health Medical Center Facility NPI 1629241203

Medicare Profile & Education

Medical School

Other

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Oxnard, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs +2.3 yrs vs City Avg

City Avg: 22.7 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

46 Specialists

Practicing in Oxnard, CA (18502 Statewide)

Telehealth Adoption Rate

23.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

85.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nguyen (25 Years) 25 Yrs

Oxnard Specialty Average (22.7 Years) 22.7 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	772	301	$718.00	$120.07
99239 Hospital discharge day management, more than 30 minutes	252	235	$737.00	$117.74
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	202	66	$500.00	$80.16
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	137	129	$1389.00	$176.07
99291 Critical care, first 30-74 minutes	17	17	$1534.00	$206.07

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	977	326	$718.00	$123.35
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	291	128	$500.00	$82.02
99239 Hospital discharge day management, more than 30 minutes	278	251	$737.00	$119.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	109	109	$1389.00	$179.79
99238 Hospital discharge day management, 30 minutes or less	22	22	$504.00	$84.63

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	885	309	$720.69	$107.38
99239 Hospital discharge day management, more than 30 minutes	216	205	$739.72	$111.17
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	143	60	$500.44	$74.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	73	69	$1395.23	$208.04
99217 Hospital observation care on day of discharge	41	40	$504.27	$75.96
99238 Hospital discharge day management, 30 minutes or less	25	25	$505.32	$76.14
99220 Hospital observation care, typically 70 minutes	24	24	$1258.49	$187.32
99226 Subsequent observation care, typically 35 minutes per day	20	17	$711.81	$105.92

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	697	305	$741.10	$108.95
99239 Hospital discharge day management, more than 30 minutes	222	215	$763.71	$113.34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	124	59	$512.49	$75.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	101	98	$1439.50	$211.24
99217 Hospital observation care on day of discharge	42	41	$517.52	$76.95
99220 Hospital observation care, typically 70 minutes	34	33	$1318.91	$191.50
99238 Hospital discharge day management, 30 minutes or less	25	25	$515.00	$76.95
99497 Advance care planning, first 30 minutes	19	19	$562.59	$83.03
99226 Subsequent observation care, typically 35 minutes per day	12	12	$746.13	$108.95

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	647	279	$741.10	$112.30
99239 Hospital discharge day management, more than 30 minutes	178	161	$763.71	$116.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	123	119	$1439.50	$218.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	115	70	$512.49	$78.10
99217 Hospital observation care on day of discharge	34	34	$517.52	$79.41
99220 Hospital observation care, typically 70 minutes	31	30	$1318.91	$199.43
99226 Subsequent observation care, typically 35 minutes per day	20	19	$746.13	$113.34
99238 Hospital discharge day management, 30 minutes or less	17	17	$515.00	$79.91
99497 Advance care planning, first 30 minutes	11	11	$562.59	$85.66

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	862	347	$741.10	$110.15
99239 Hospital discharge day management, more than 30 minutes	286	252	$763.71	$114.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	149	98	$512.49	$77.08
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	144	137	$1439.50	$214.34
99238 Hospital discharge day management, 30 minutes or less	42	40	$515.00	$78.27
99217 Hospital observation care on day of discharge	40	40	$517.52	$76.94
99220 Hospital observation care, typically 70 minutes	32	32	$1318.91	$196.67
99497 Advance care planning, first 30 minutes	17	16	$497.67	$84.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$972.22	$144.78
99226 Subsequent observation care, typically 35 minutes per day	12	11	$746.13	$111.17

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	935	383	$741.10	$109.17
99239 Hospital discharge day management, more than 30 minutes	347	310	$763.71	$114.16
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	182	93	$512.49	$76.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	171	160	$1439.50	$213.18
99217 Hospital observation care on day of discharge	51	50	$517.52	$77.74
99238 Hospital discharge day management, 30 minutes or less	45	45	$515.00	$77.77
99220 Hospital observation care, typically 70 minutes	35	35	$1318.91	$195.91
99497 Advance care planning, first 30 minutes	14	14	$194.70	$83.45

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	923	343	$735.70	$107.76
99239 Hospital discharge day management, more than 30 minutes	405	335	$758.25	$112.26
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	233	215	$1433.23	$209.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	135	88	$509.49	$74.58
99217 Hospital observation care on day of discharge	38	38	$514.48	$76.01
99220 Hospital observation care, typically 70 minutes	38	37	$1310.25	$191.91
99238 Hospital discharge day management, 30 minutes or less	30	30	$512.53	$75.71

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A89952

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.

Hospital & Practice Group Affiliations

Inpatient Specialists Of California Pc

2309 Antonio Ave, Camarillo, CA 930101414

Phone: 8053895800

Inpatient Specialists Of California Pc

1600 N Rose Ave, Oxnard, CA 930303722

Phone: 8059882500

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Ba Nguyen , MD

General Practice

NPI 1447366109

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 January 31, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location January 31, 2014

Registered at 815 COOPER ROAD, OXNARD, CA 93030 (Tel: 8054879892)

📍

Updated Business Mailing Address January 31, 2014

Registered at 2430 WOODCREEK RD, CAMARILLO, CA 930122536 (Tel: 8054879892)

👤

Provider Name / Credentials Updated January 31, 2014

Recorded as ROBERT NGUYEN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 31, 2014

Internal Medicine (License #A89952 in CA)

🟢

Initial NPI Registration & Enumeration September 27, 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: 1780775718

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: September 27, 2006

Last Update: January 31, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2430 Woodcreek Rd

Camarillo, CA 930122536

Phone: 8054879892

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.