DENNIS LEGEN SHUNG M.D.
NPI 1235540816
Internal Medicine - Gastroenterology in Rochester, MN

Active since May 16, 2014PECOS EnrolledAccepts Medicare Assignment
73.56/100
CMS Quality Rating
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Sep 5, 2025, Mar 13, 2025, Nov 7, 2019 (3 updates tracked since 2019).

About Dennis Legen Shung M.d. NPPES

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

DENNIS LEGEN SHUNG M.D. (NPI 1235540816) is an individual gastroenterology provider in Rochester, Minnesota, licensed in Minnesota (79730) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Baylor College Of Medicine (2014).

NPPES Registry Identity

NPI1235540816
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDENNIS LEGEN SHUNGCredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0002
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 284-2511
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 2014
Enumeration DateMay 16, 2014
Last NPPES UpdateSeptember 5, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2025
NPI 1235540816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MN · 79730
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.

200 1ST ST SW, Rochester, MN 55905

Accepted 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

Dennis Legen Shung 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 ID345538658
PECOS Enrollment IDI20250917001184
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

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

73.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.84
Promoting Interoperability74
Improvement Activities40
Cost51.43

Other Providers at the Same Location NPPES 20

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

Radiology (Diagnostic Radiology)
200 1ST ST SW
ROCHESTER, MN 55905
Dermatology
200 1ST ST SW
ROCHESTER, MN 55905
Physician Assistant
200 1ST ST SW
ROCHESTER, MN 55905
Genetic Counselor, MS
200 1ST ST SW
ROCHESTER, MN 55905
Pharmacist
200 1ST ST SW
ROCHESTER, MN 55905
Psychiatry & Neurology (Psychiatry)
200 1ST ST SW
ROCHESTER, MN 55905
Psychiatry & Neurology (Psychiatry)
200 1ST ST SW
ROCHESTER, MN 55905
Pharmacist
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235540816, enumerated as an "individual" on May 16, 2014.

The provider is located at 200 1ST ST SW ROCHESTER, MN 55905 and the phone number is (507) 284-2511.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medica. Please consult your insurance carrier or call the provider to verify.

Dennis Shung is affiliated with: MAYO CLINIC HOSPITAL ROCHESTER.