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Deactivated NPI 1790754505 Deactivated / Inactive NPI Male Practitioner

Dr. Pierre Jean Greeff , MD

Surgery • Chicago, IL

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Pierre Greeff has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date March 15, 2006
NPI Deactivation Date March 20, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Pierre Greeff, MD was a registered Surgery practicing in Chicago, IL. Throughout an active medical career spanning 19 years, Dr. Greeff provided care at the practice location at 2330 PAYSPHERE CIR until profile deactivation on 2025-03-20.

Historical Medicare Part B clinical services included established patient outpatient office visit, new patient outpatient office visit. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

2330 Paysphere Cir

Chicago, IL 606740023

Telephone 8477464358
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.3 Yrs
State Avg: 27.3 Yrs
Regional Practice Density
579 Specialists

Practicing in Chicago, IL (1624 Statewide)

Telehealth Adoption Rate
4.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
80.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
16 13 $387.00 $76.42
99213 Established patient office or other outpatient visit, typically 15 minutes
11 11 $251.00 $49.57

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License OK 20495

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Ruth Diamond , FNP-BC

Nurse Practitioner - Family

NPI 1013255975

Family Nurse Practitioner (Board Certified)

Dr. Sybilann Williams , MD

Obstetrics & Gynecology - Gynecologic Oncology

NPI 1023089893

Doctor of Medicine (M.D.)

Dr. Yiping Fu , MD

Internal Medicine - Pulmonary Disease

NPI 1043205107

Doctor of Medicine (M.D.)

Dr. Eugene Ahn , MD

Internal Medicine - Medical Oncology

NPI 1093911307

Doctor of Medicine (M.D.)

Lawrence Wiggins , PA

Physician Assistant

NPI 1104897974

Physician Assistant

Aric Blom , PA-C

Physician Assistant

NPI 1114905411

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated March 20, 2025

Record deactivated on March 20, 2025

NPI Profile Active June 20, 2008

NPI status registered as active in NPPES database

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Updated Practice Location June 20, 2008

Registered at 2330 PAYSPHERE CIR, CHICAGO, IL 606740023 (Tel: 8477464358)

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Updated Business Mailing Address June 20, 2008

Registered at 10109 E 79TH ST, TULSA, OK 741334564

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Provider Name / Credentials Updated June 20, 2008

Recorded as PIERRE GREEFF, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) June 20, 2008

Surgery (License #20495 in OK)

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Initial NPI Registration & Enumeration March 15, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1790754505
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 15, 2006
Last Update: June 20, 2008
Deactivation Date: March 20, 2025

Mailing Address

10109 E 79th St

Tulsa, OK 741334564

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.