Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1902993603 Individual Practitioner Female Practitioner

Dr. Ann T Warren , MD

Specialist • Barrington, IL

Professional Overview & Biography Verified Profile Summary

Dr. Ann Warren, MD is a registered healthcare professional specializing in Specialist in Barrington, IL. Practice services are available at 27790 W IL ROUTE 22 STE 32 under active NPI credentials.

Frequently performed procedures and clinical services include cervical or vaginal cancer screening; pelvic and clinical breast examination, established patient outpatient office visit, complete ultrasound scan of pelvis. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

27790 W Il Route 22 Ste 32

Barrington, IL 600102396

Telephone 8473818181
Fax 8473810604
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Barrington, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 29.3 Yrs
State Avg: 38.5 Yrs
Regional Practice Density
10 Specialists

Practicing in Barrington, IL (1322 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
62.7% 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 (2019)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination
74 74 $97.00 $40.34
99213 Established patient office or other outpatient visit, typically 15 minutes
38 27 $146.00 $75.61
76856 Complete ultrasound scan of pelvis
19 12 $263.95 $68.89
76830 Ultrasound pelvis through vagina
19 13 $260.53 $84.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
17 15 $102.00 $46.89
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory
14 14 $99.00 $45.11

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License IL 036075414

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
036075414 (IL)
Commercial Insurance / Payer ID Bluecross/blueshield
04915108 (IL)

Practice Associates & Co-Workers

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

6 Associated Practitioners
Dr. Thomas Digiulio , MD

Obstetrics & Gynecology

NPI 1053380642

Doctor of Medicine (M.D.)

Dr. Karen Sanders , MD

Obstetrics & Gynecology

NPI 1134114697

Doctor of Medicine (M.D.)

Catherine Tan

Obstetrics & Gynecology

NPI 1518429422
Dr. Magdalena Chlebowicz , DO

Obstetrics & Gynecology

NPI 1538460084

Doctor of Osteopathic Medicine (D.O.)

Dr. Kaitlin Steffenhagen , DO

Obstetrics & Gynecology

NPI 1760877963

Doctor of Osteopathic Medicine (D.O.)

Marguerite Tyler , DNP-FNP

Nurse Practitioner - Obstetrics & Gynecology

NPI 1962960138

DNPFNP

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active October 20, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location October 20, 2011

Registered at 27790 W IL ROUTE 22 STE 32, BARRINGTON, IL 600102396 (Tel: 8473818181)

📍
Updated Business Mailing Address October 20, 2011

Registered at 25941 N FARM VIEW CIR, LAKE BARRINGTON, IL 600107022 (Tel: 8473815104)

👤
Provider Name / Credentials Updated October 20, 2011

Recorded as ANN WARREN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 20, 2011

Specialist (License #036075414 in IL)

🟢
Initial NPI Registration & Enumeration October 06, 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: 1902993603
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 06, 2006
Last Update: October 20, 2011
Sole Proprietor: No

Mailing Address

25941 N Farm View Cir

Lake Barrington, IL 600107022

Phone: 8473815104

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.