1. Home
  2. Directory
  3. Pennsylvania
  4. Pittsburgh
  5. Internal Medicine
  6. NPI Profile

DR. KLAUS BIELEFELDT MD
NPI 1114999612
Internal Medicine - Gastroenterology in Pittsburgh, PA

Active since February 07, 2006PECOS Enrolled
200 LOTHROP ST, MEZZANINE LEVEL C WING, PITTSBURGH, PA 15213(412) 648-9130 Get Directions Write a Review

NPPES record last updated: October 21, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 21, 2021, Feb 13, 2017, Oct 17, 2016 and 1 more (4 updates tracked since 2016).

About Dr. Klaus Bielefeldt Md NPPES

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

DR. KLAUS BIELEFELDT MD (NPI 1114999612) is an individual gastroenterology provider in Pittsburgh, Pennsylvania, licensed in Utah (10089722-1205) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114999612
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. KLAUS BIELEFELDTCredential: MD
Location Address200 LOTHROP ST, MEZZANINE LEVEL C WINGPittsburgh, PA 15213-2546
Mailing Address200 Lothrop St, Mezzanine Level C WingPittsburgh, PA 15213-2546 · (412) 648-9130
Phone(412) 648-9130
Sole ProprietorNo
Enumeration DateFebruary 7, 2006
Last NPPES UpdateOctober 21, 20214 updates tracked since enumeration
NPPES CertifiedOctober 21, 2021
✔ NPI 1114999612 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 UT · 10089722-1205
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 ListedSpecialistTaxonomy 174400000X · License MD422706 (PA)
200 LOTHROP ST, Pittsburgh, PA 15213
Open in Google Maps ↗

Other Identifiers 1

Medicaid100855239PA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Klaus Bielefeldt Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Klaus Bielefeldt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Utah Adult Services
1,660 mi
Orthopaedic Surgery
9385 S SNOWBIRD CENTER DR
Sandy, UT 84092
  • Reassigned Medicare billing, Utah enrollment
  • 2,620 clinicians in this Medicare group
NPI 1851904247 (801) 587-7109

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15213 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

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.

CHELSIE DAHL
Nurse Anesthetist, Certified Registered
200 LOTHROP ST
PITTSBURGH, PA 15213
Allegheny County (412) 647-5909
OTHMAN MOHAMED-ASEM ABDUL-MALAK
Surgery (Vascular Surgery)
200 LOTHROP ST, F600 PRESBYTERIAN HOSPITAL
PITTSBURGH, PA 15213
Allegheny County (412) 647-2345
KAITLEN MORGAN
Nurse Practitioner (Critical Care Medicine)
200 LOTHROP ST, 613 SCAIFE HALL
PITTSBURGH, PA 15213
Allegheny County (412) 647-2345
UTPAL JHA M.D.
Internal Medicine (Critical Care Medicine)
200 LOTHROP ST
PITTSBURGH, PA 15213
Allegheny County (412) 530-6274
RACHEL IVY FRICK
Occupational Therapist
200 LOTHROP ST
PITTSBURGH, PA 15213
Allegheny County (412) 647-6017
ARTUR ZGUROV MD
Neurological Surgery
200 LOTHROP ST
PITTSBURGH, PA 15213
Allegheny County (412) 647-2345
KAREN KAIJIE XU MD
Student in an Organized Health Care Education/Training Program
200 LOTHROP ST
PITTSBURGH, PA 15213
Allegheny County (412) 647-2345
SAM ALLEN MICHELHAUGH MD
Student in an Organized Health Care Education/Training Program
200 LOTHROP ST
PITTSBURGH, PA 15213
Allegheny County (412) 770-4949

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 Klaus Bielefeldt's NPI number?

The NPI number for Klaus Bielefeldt is 1114999612. It was assigned to this individual provider in the NPPES registry on February 7, 2006.

Where is Klaus Bielefeldt located?

Klaus Bielefeldt practices at 200 Lothrop St Mezzanine Level C Wing, Pittsburgh, PA 15213. The listed phone number is (412) 648-9130.

What is Klaus Bielefeldt's specialty?

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

Is Klaus Bielefeldt enrolled in Medicare?

Yes. Klaus Bielefeldt is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Klaus Bielefeldt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Klaus Bielefeldt reassigns Medicare benefits to University Of Utah Adult Services (Sandy, UT). The 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 Klaus Bielefeldt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Klaus Bielefeldt was last updated on October 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.