SON NGUYEN M.D.
NPI 1457491086
Internal Medicine - Gastroenterology in Oklahoma City, OK

Q: What is Son Nguyen's NPI number?

The NPI number for Son Nguyen is 1457491086. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Q: What is Son Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Son Nguyen was last updated on July 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 06, 2007PECOS EnrolledAccepts Medicare Assignment

4201 S WESTERN AVE, OKLAHOMA CITY, OK 73109(405) 632-4000(405) 632-4073 Get Directions Write a Review

NPPES record last updated: July 8, 2011. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Son Nguyen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SON NGUYEN M.D. (NPI 1457491086) is an individual gastroenterology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (21990) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of University Of Oklahoma College Of Medicine (2000).

NPPES Registry Identity

NPI1457491086

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameSON NGUYENCredential: M.D.

Location Address4201 S WESTERN AVEOklahoma City, OK 73109-3410

Mailing Address4201 S Western AveOklahoma City, OK 73109-3410 · (405) 632-4000 · Fax (405) 632-4073

Phone(405) 632-4000

Fax(405) 632-4073

Sole ProprietorNo

Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2000

Enumeration DateFebruary 6, 2007

Last NPPES UpdateJuly 8, 2011

✔ NPI 1457491086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in OK · 21990

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

4201 S WESTERN AVE, Oklahoma City, OK 73109

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Oscar Insurance Company, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Son Nguyen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244321826

PECOS Enrollment IDI20070810000675

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Son Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Integris Ddsi Endoscopy Centers LLC

Same address

Ambulatory Surgical

4201 S WESTERN AVE
Oklahoma City, OK 73109

Reassigned Medicare billing, Oklahoma enrollment
Also billed through NPI 1497347934 (Oklahoma)
18 clinicians in this Medicare group

NPI 1760074207 (405) 632-4000

Digestive Disease Specialists Inc

6.8 mi

Gastroenterology

5015 N PENNSYLVANIA AVE, STE. 303
Oklahoma City, OK 73112

Reassigned Medicare billing, Oklahoma enrollment
40 clinicians in this Medicare group

NPI 1366489213 (405) 767-6630

Chickasaw Nation Division Of Health

31 mi

Primary Care

1438 HARDCASTLE BLVD
Purcell, OK 73080

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Chickasaw Nation Division Of Health Chickasaw Nation Medical Center
324 clinicians in this Medicare group

NPI 1982764395 (405) 527-4700

Comanche County Healthcare Corp

64 mi

Family Medicine

102 N BROADWAY
Carnegie, OK 73015

Reassigned Medicare billing, Oklahoma enrollment
160 clinicians in this Medicare group

NPI 1346269925 (580) 654-2500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

163 services115 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

124 services64 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

84 services84 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

76 services76 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

64 services64 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

63 services61 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

58 services58 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

48 services48 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

46 services41 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

41 services41 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

19 services19 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

16 services16 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

15 services15 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370028

Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County

Emergency services Birthing friendly

Comanche County Memorial Hospital

Acute Care Hospitals · Lawton, OK

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number370056

Location3401 West Gore BlvdLawton, OK 73505 · Comanche County

Emergency services Birthing friendly

Integris Southwest Medical Center

Acute Care Hospitals · Oklahoma City, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370106

Location4401 South Western AvenueOklahoma City, OK 73109 · Oklahoma County

Emergency services Birthing friendly

Integris Canadian Valley Hospital

Acute Care Hospitals · Yukon, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370211

Location1201 Health Center ParkwayYukon, OK 73099 · Canadian County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$123.06 typical visit price

range $53.00 – $162.61

Typical copayment $30.76 (range $13.25 – $40.65)

Most-billed visit code 99204

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

1 supplier52 claims287 services$11.00 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 10 to 51 grams of protein - premix B4189

Other-Enteral and Parenteral · category OB005N

1 supplier52 claims365 services$178.21 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

1 supplier52 claims365 services$8.03 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

1 supplier52 claims365 services$25.06 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EMMA SOLES

Physician Assistant