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DR. MARCIN SZEMBER MD
NPI 1023295300
Internal Medicine - Gastroenterology in Grand Forks, ND

Active since January 29, 2008PECOS EnrolledAccepts Medicare Assignment
4440 S. WASHINGTON ST. - ALTRU PROFESSIONAL CENTER, GRAND FORKS, ND 58201(701) 732-7000 Get Directions Write a Review

NPPES record last updated: October 2, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 2, 2020, Oct 2, 2019 (2 updates tracked since 2019).

About Dr. Marcin Szember Md NPPES

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

DR. MARCIN SZEMBER MD (NPI 1023295300) is an individual gastroenterology provider in Grand Forks, North Dakota, licensed in North Dakota (16013) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Uphs Marquette Dlp Hospital, and is a graduate of Rutgers New Jersey Medical School (2005).

NPPES Registry Identity

NPI1023295300
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MARCIN SZEMBERCredential: MD
Location Address4440 S. WASHINGTON ST. - ALTRU PROFESSIONAL CENTERGrand Forks, ND 58201-7245
Mailing Address2401 Demers AveGrand Forks, ND 58201 · (701) 780-1891
Phone(701) 732-7000
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2005
Enumeration DateJanuary 29, 2008
Last NPPES UpdateOctober 2, 20202 updates tracked since enumeration
NPPES CertifiedOctober 2, 2020
✔ NPI 1023295300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in ND · 16013✔ Licensed in MI · 4301100644✔ Licensed in NJ · 25MA08520900
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 25MA08520900 (NJ)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4440 S. WASHINGTON ST. - ALTRU PROFESSIONAL CENTER, Grand Forks, ND 58201
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Sanford Health Plan.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

Dr. Marcin Szember 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 ID244488849
PECOS Enrollment IDI20120924000015, I20191118000401
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

3

Medicare enrollment records show Marcin Szember reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Altru Health System
2.4 mi
Clinic/Center
1300 S COLUMBIA RD
Grand Forks, ND 58201
  • Reassigned Medicare billing, North Dakota enrollment
  • 701 clinicians in this Medicare group
NPI 1043309552 (701) 780-5000
Trinity Health
197 mi
Psychiatry
1900 8TH AVE SE
Minot, ND 58701
  • Reassigned Medicare billing, North Dakota enrollment
  • 339 clinicians in this Medicare group
NPI 1871532598 (701) 857-5650
Dlp Marquette Physician Practices Inc
399 mi
Neurology
500 CAMPUS DR
Hancock, MI 49930
  • Reassigned Medicare billing, Michigan enrollment
  • 440 clinicians in this Medicare group
NPI 1932455433 (906) 483-1730

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 11

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.

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.
165 services160 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.
153 services110 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.
74 services73 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.
70 services67 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.
49 services48 patients
Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255
This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.
47 services40 patients

Hospital Affiliations CMS Care Compare 4

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

Uphs Marquette Dlp Hospital

Acute Care Hospitals · Marquette, MI
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number230054
Location850 W Baraga AveMarquette, MI 49855 · Marquette County
Emergency services Birthing friendly

Trinity Hospitals

Acute Care Hospitals · Minot, ND
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number350006
Location407 3rd St SEMinot, ND 58701 · Ward County
Emergency services Birthing friendly

Altru Hospital

Acute Care Hospitals · Grand Forks, ND
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number350019
Location1200 S Columbia RdGrand Forks, ND 58201 · Grand Forks County
Emergency services Birthing friendly

Cavalier County Memorial Hospital Association

Critical Access Hospitals · Langdon, ND
OwnershipVoluntary non-profit - Private
CMS Certification Number351323
Location909 2nd StLangdon, ND 58249 · Cavalier County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58201 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
$127.45 typical visit price
range $55.75 – $168.12
Typical copayment $31.86 (range $13.93 – $42.03)
Most-billed visit code 99204
Established Patient
$98.29 typical visit price
range $18.11 – $137.65
Typical copayment $24.57 (range $4.52 – $34.41)
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.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marcin Szember's NPI number?

The NPI number for Marcin Szember is 1023295300. It was assigned to this individual provider in the NPPES registry on January 29, 2008.

Where is Marcin Szember located?

Marcin Szember practices at 4440 S. Washington St. - Altru Professional Center, Grand Forks, ND 58201. The listed phone number is (701) 732-7000.

What is Marcin Szember's specialty?

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

Is Marcin Szember enrolled in Medicare?

Yes. Marcin Szember is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marcin Szember's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcin Szember reassigns Medicare benefits to 3 organizations: Altru Health System (Grand Forks, ND), Trinity Health (Minot, ND) and Dlp Marquette Physician Practices Inc (Hancock, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marcin Szember's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcin Szember accept?

Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Marcin Szember as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marcin Szember affiliated with any hospitals?

According to CMS data, Marcin Szember is affiliated with Uphs Marquette Dlp Hospital, Trinity Hospitals, Altru Hospital and Cavalier County Memorial Hospital Association.

When was this NPI record last updated?

The NPPES record for Marcin Szember was last updated on October 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.