IOANNIS KONSTANTINIDIS MD
NPI 1689069841
Internal Medicine in Pittsburgh, PA

Active since April 03, 2015PECOS EnrolledAccepts Medicare Assignment
77.5/100
CMS Quality Rating
3459 5TH AVE, PITTSBURGH, PA 15213(412) 692-2210 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 7, 2026, Apr 1, 2021, Dec 16, 2019 (3 updates tracked since 2019).

About Ioannis Konstantinidis Md NPPES

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

IOANNIS KONSTANTINIDIS MD (NPI 1689069841) is an individual internal medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD473260) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Upmc Presbyterian Shadyside, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1689069841
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameIOANNIS KONSTANTINIDISCredential: MD
Location Address3459 5TH AVEPittsburgh, PA 15213-3236
Mailing Address3459 5th AvePittsburgh, PA 15213-3236 · (412) 692-2210
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 3, 2015
Last NPPES UpdateAugust 7, 20263 updates tracked since enumeration
NPPES CertifiedApril 1, 2021
✔ NPI 1689069841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in PA · MD473260✔ Licensed in PA · MT216588
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD473260 (PA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License MD473260 (PA)
3459 5TH AVE, Pittsburgh, PA 15213

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

Ioannis Konstantinidis 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 ID1759638125
PECOS Enrollment IDI20210629000362
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

2

Medicare enrollment records show Ioannis Konstantinidis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
3500 5TH AVE, 4TH FLOOR
Pittsburgh, PA 15213
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 clinicians in this Medicare group
Pulmonary Disease
700 HIGH STREET
Williamsport, PA 17701
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 64 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

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

Upmc Presbyterian Shadyside

Acute Care Hospitals · Pittsburgh, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390164
Location200 Lothrop StreetPittsburgh, PA 15213 · Allegheny County
Emergency services

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.

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.

77.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.61
Promoting Interoperability100
Improvement Activities40
Cost56.4

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.

Physician Assistant (Medical)
3459 5TH AVE, 4 WEST MONTEFIORE HOSPITAL, ALZHEIMER RESEARCH CENTER
PITTSBURGH, PA 15213
Physical Medicine & Rehabilitation
3459 5TH AVE
PITTSBURGH, PA 15213
Dietitian, Registered
3459 5TH AVE
PITTSBURGH, PA 15213
Internal Medicine
3459 5TH AVE, UPMC MONTEFIORE NW628
PITTSBURGH, PA 15213
Nurse Practitioner (Family)
3459 5TH AVE, NW 628
PITTSBURGH, PA 15213
Physician Assistant
3459 5TH AVE, 2ND FLOOR RADIOLOGY
PITTSBURGH, PA 15213
Clinical Nurse Specialist (Acute Care)
3459 5TH AVE, 4 WEST MONTEFIORE HOSPITAL
PITTSBURGH, PA 15213
Specialist
3459 5TH AVE, N725
PITTSBURGH, PA 15213

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 Ioannis Konstantinidis's NPI number?

The NPI number for Ioannis Konstantinidis is 1689069841. It was assigned to this individual provider in the NPPES registry on April 3, 2015.

Where is Ioannis Konstantinidis located?

Ioannis Konstantinidis practices at 3459 5th Ave, Pittsburgh, PA 15213. The listed phone number is (412) 692-2210.

What is Ioannis Konstantinidis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ioannis Konstantinidis enrolled in Medicare?

Yes. Ioannis Konstantinidis 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 Ioannis Konstantinidis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ioannis Konstantinidis reassigns Medicare benefits to 2 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA) and Susquehanna Physician Services (Williamsport, PA). 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 Ioannis Konstantinidis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ioannis Konstantinidis affiliated with any hospitals?

According to CMS data, Ioannis Konstantinidis is affiliated with Upmc Presbyterian Shadyside.

When was this NPI record last updated?

The NPPES record for Ioannis Konstantinidis was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.