NATHANIEL KWAK MD
NPI 1245674191
Internal Medicine - Gastroenterology in Salt Lake City, UT

Q: What is Nathaniel Kwak's NPI number?

The NPI number for Nathaniel Kwak is 1245674191. It was assigned to this individual provider in the NPPES registry on April 22, 2013.

Q: What is Nathaniel Kwak'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 Nathaniel Kwak was last updated on August 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 April 22, 2013PECOS EnrolledAccepts Medicare Assignment

92.41/100

CMS Quality Rating

1187 E 3900 S, SALT LAKE CITY, UT 84124(801) 263-3041 Get Directions Write a Review

NPPES record last updated: August 21, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 21, 2023, Mar 28, 2023, Jul 15, 2019 and 1 more (4 updates tracked since 2016).

On this page

About Nathaniel Kwak Md NPPES

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

NATHANIEL KWAK MD (NPI 1245674191) is an individual gastroenterology provider in Salt Lake City, Utah, licensed in Utah (13181453-1205) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with University Of Utah Hospitals And Clinics, and is a graduate of University Of Texas Medical School At Houston (2013).

NPPES Registry Identity

NPI1245674191

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameNATHANIEL KWAKCredential: MD

Location Address1187 E 3900 SSalt Lake City, UT 84124-1201

Mailing Address1187 E 3900 SSalt Lake City, UT 84124-1201 · (801) 263-3041

Phone(801) 263-3041

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2013

Enumeration DateApril 22, 2013

Last NPPES UpdateAugust 21, 20234 updates tracked since enumeration

NPPES CertifiedAugust 21, 2023

✔ NPI 1245674191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in UT · 13181453-1205✔ Licensed in TX · S2824

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.

1187 E 3900 S, Salt Lake City, UT 84124

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Regence BlueCross BlueShield of Utah, Select Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathaniel Kwak Md 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 ID1153639471

PECOS Enrollment IDI20230412002556

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.

Areas of Expertise CMS Part B claims 12

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.

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.

48 services45 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.

37 services24 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

32 services32 patients

Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 43238

An ultrasound guided needle aspiration or biopsy of the esophagus involves using a flexible tube with a camera (endoscope) to view your esophagus. An ultrasound device on the endoscope helps to guide a needle to take a small tissue sample for testing. This is a safe, minimally invasive procedure.

30 services27 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

22 services19 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.

20 services19 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 43237

This procedure involves a flexible tube with a camera and ultrasound device, inserted through the mouth to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like inflammation, tumors, or other abnormalities.

16 services16 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.

13 services13 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

13 services13 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

12 services12 patients

Incision of pancreatic outlet using a flexible endoscope 43262

This procedure involves a small cut in the outlet of the pancreas using a flexible tube with a camera, called an endoscope. It helps doctors diagnose and treat conditions affecting the pancreas, enhancing patient comfort and recovery.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

University Of Utah Hospitals And Clinics

Acute Care Hospitals · Salt Lake City, UT

5/5 CMS rating

OwnershipGovernment - State

CMS Certification Number460009

Location50 North Medical DriveSalt Lake City, UT 84132 · Salt Lake County

Emergency services Birthing friendly

Intermountain Medical Center

Acute Care Hospitals · Murray, UT

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number460010

Location5121 South Cottonwood StreetMurray, UT 84107 · Salt Lake County

Emergency services Birthing friendly

St Mark's Hospital

Acute Care Hospitals · Salt Lake City, UT

3/5 CMS rating

OwnershipProprietary

CMS Certification Number460047

Location1200 East 3900 SouthSalt Lake City, UT 84124 · Salt Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84124 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

$125.70 typical visit price

range $54.34 – $166.03

Typical copayment $31.42 (range $13.58 – $41.50)

Most-billed visit code 99204

Established Patient

$96.35 typical visit price

range $17.23 – $135.20

Typical copayment $24.08 (range $4.30 – $33.80)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.41/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

88.94

Promoting Interoperability

Improvement Activities

Other Providers at the Same Location NPPES 5

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

STEPHANIE GLENN NP

Nurse Practitioner