Active NPI 1275947103 Individual Practitioner Female Practitioner

Dr. Phuong Duong Thoai Nguyen , DO

Surgery • Olympia, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Phuong Nguyen, DO is a certified Surgery practicing in Olympia, WA. With approximately 12 years of clinical experience since graduating from Touro Un Col Of Osteopathic Medicine, New York in 2014, Dr. Nguyen delivers high-quality medical care to the local community at 3525 ENSIGN RD NE STE J.

Dr. Nguyen is affiliated with Providence Health And Services - Washington and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3525 Ensign Rd Ne Ste J

Olympia, WA 985065065

Telephone 3604935252

Fax 3604935257

Associated Practice Facility / Clinic

🏢 Robert G.r. Lang, M.d., Inc., P.s. Facility NPI 1447329412

Medicare Profile & Education

Medical School

Touro Un Col Of Osteopathic Medicine, New York

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Olympia, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs -2.6 yrs vs City Avg

City Avg: 14.6 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

23 Specialists

Practicing in Olympia, WA (818 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nguyen (12 Years) 12 Yrs

Olympia Specialty Average (14.6 Years) 14.6 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
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	32	30	$546.00	$183.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$343.00	$108.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	29	$391.00	$127.67
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	26	24	$1010.00	$327.34
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	26	24	$51.00	$17.71
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or	23	13	$95.00	$31.33
19301 Partial removal of breast	20	17	$2085.88	$546.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$508.00	$169.13
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	20	20	$1460.92	$250.23
49650 Repair of groin hernia using an endoscope	19	19	$1470.70	$447.09
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$551.00	$181.64
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$276.00	$92.59
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$391.71	$129.17
14301 Repair of wound by transferring skin, 30.1-60.0 sq cm	13	13	$2658.00	$708.58
45380 Biopsy of large bowel using an endoscope	12	12	$625.50	$136.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	52	52	$384.31	$128.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$296.00	$110.23
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	37	28	$212.38	$78.26
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	34	32	$465.24	$107.03
45380 Biopsy of large bowel using an endoscope	28	28	$723.00	$147.04
45390 Removal of large bowel tissue using an endoscope	25	25	$968.00	$318.43
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	17	$109.00	$48.97
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$200.00	$88.91
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	15	15	$55.00	$17.67
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	12	12	$1008.00	$324.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	96	85	$200.00	$88.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	89	89	$296.00	$110.67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	62	61	$381.00	$131.23
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	57	56	$462.00	$99.47
45380 Biopsy of large bowel using an endoscope	56	56	$723.00	$156.00
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	53	40	$199.00	$70.28
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	46	44	$55.00	$17.97
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	41	39	$1008.00	$313.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	28	$296.00	$121.50
45390 Removal of large bowel tissue using an endoscope	22	22	$968.00	$328.07
43450 Dilation of esophagus	19	15	$250.00	$39.20
45378 Diagnostic exam of large bowel using a flexible endoscope	17	17	$607.00	$139.63
47562 Removal of gallbladder using an endoscope	14	14	$1969.00	$662.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$456.00	$151.06
45381 Injection beneath lining of large bowel using a flexible endoscope	12	12	$687.00	$30.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	138	107	$200.00	$89.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	102	102	$296.00	$110.42
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	58	33	$199.00	$70.41
45380 Biopsy of large bowel using an endoscope	58	57	$723.00	$157.72
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	48	$381.00	$130.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	43	$296.00	$127.59
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	44	44	$462.00	$91.61
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	36	35	$55.00	$18.44
45381 Injection beneath lining of large bowel using a flexible endoscope	26	25	$687.00	$22.46
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	24	24	$1008.00	$331.05
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	23	22	$861.00	$251.37
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$607.00	$178.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$456.00	$158.05
47562 Removal of gallbladder using an endoscope	15	15	$1969.00	$649.50
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	12	11	$792.00	$257.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	136	100	$200.00	$73.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	125	125	$296.00	$105.51
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	68	48	$199.00	$71.94
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	50	49	$462.00	$91.74
45380 Biopsy of large bowel using an endoscope	48	47	$723.00	$136.26
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	39	39	$55.00	$18.71
45378 Diagnostic exam of large bowel using a flexible endoscope	38	36	$607.00	$157.89
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	36	36	$1008.00	$326.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	34	34	$381.00	$132.69
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	29	$119.00	$44.43
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$861.00	$251.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	21	$296.00	$107.27
45381 Injection beneath lining of large bowel using a flexible endoscope	18	18	$687.00	$15.65
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	17	$392.00	$96.50
47562 Removal of gallbladder using an endoscope	14	14	$1969.00	$557.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$296.00	$105.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	40	20	$199.00	$71.54
99213 Established patient office or other outpatient visit, typically 15 minutes	25	23	$200.00	$72.63
45380 Biopsy of large bowel using an endoscope	24	24	$723.00	$187.88
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	22	$119.00	$44.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	20	$381.00	$134.58
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	19	$462.00	$100.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	15	$296.00	$106.43

Medical Specialties & State Licenses

CMS Verified: 2026-07-01

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WA OP61447850

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Surgery

NUCC Taxonomy Code: 208600000X

State License AZ 007988

Hospital & Practice Group Affiliations

Providence Health And Services - Washington

380 Chase Ave, Walla Walla, WA 993622924

Phone: 5098973333

Practice Associates & Co-Workers

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

9 Associated Practitioners

Dr. Kevin Robinson , MD

Surgery - Vascular Surgery

NPI 1184646457

Doctor of Medicine (M.D.)

Dr. Rebecca Freeman , MD

Surgery

NPI 1205064565

Doctor of Medicine (M.D.)

Vanessa Franson , NP-C

Nurse Practitioner - Family

NPI 1275938755

Nurse Practitioner (Certified)

Dr. Jayme Rudloff , DNP, FNP-C, FNP-BC

Nurse Practitioner

NPI 1447976303

Doctor of Nursing Practice, Family Nurse Practitioner (Certified), Family Nurse Practitioner (Board Certified)

Dr. Richard Krug , MD

Surgery - Vascular Surgery

NPI 1558383828

Doctor of Medicine (M.D.)

Dr. James Reus , MD

Surgery - Vascular Surgery

NPI 1760404131

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location July 01, 2026

Registered at 3525 ENSIGN RD NE STE J, OLYMPIA, WA 985065065 (Tel: 3604935252)

📍

Updated Business Mailing Address July 01, 2026

Registered at 3525 ENSIGN RD NE STE J, OLYMPIA, WA 985065065 (Tel: 3604935252)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 01, 2026

Student in an Organized Health Care Education/Training Program

📍

Updated Practice Location November 16, 2023

Registered at 1055 W FAIRVIEW ST STE B, COLFAX, WA 991115106 (Tel: 5093972675)

📍

Updated Practice Location July 25, 2019

Registered at 2755 SILVER CREEK RD STE 111&113, BULLHEAD CITY, AZ 864427904 (Tel: 9287047163)

📍

Updated Business Mailing Address July 25, 2019

Registered at 2755 SILVER CREEK RD STE 111&113, BULLHEAD CITY, AZ 864427904 (Tel: 9287047163)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 25, 2019

Surgery (License #007988 in AZ)

✅

NPI Profile Active June 18, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location June 18, 2014

Registered at 42 E LAUREL RD STE 2600, STRATFORD, NJ 080841354 (Tel: 8565666875)

📍

Updated Business Mailing Address June 18, 2014

Registered at 42 E LAUREL RD STE 2600, STRATFORD, NJ 080841354

👤

Provider Name / Credentials Updated June 18, 2014

Recorded as PHUONG NGUYEN, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 18, 2014

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration June 18, 2014

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: 1275947103

Entity Type:

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

Enumeration Date: June 18, 2014

Last Update: July 01, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3525 Ensign Rd Ne Ste J

Olympia, WA 985065065

Phone: 3604935252

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.