ANN T WARREN MD
NPI 1902993603
Specialist in Barrington, IL

Q: What is Ann Warren's NPI number?

The NPI number for Ann Warren is 1902993603. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Q: What is Ann Warren's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Ann Warren was last updated on October 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since October 06, 2006PECOS Enrolled

27790 W IL ROUTE 22 STE 32, BARRINGTON, IL 60010(847) 381-8181(847) 381-0604 Get Directions Write a Review

NPPES record last updated: October 20, 2011. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Ann T Warren Md NPPES

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

ANN T WARREN MD (NPI 1902993603) is an individual specialist in Barrington, Illinois, licensed in Illinois (036075414) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902993603

Entity TypeIndividualFemale

Primary Taxonomy174400000X

Provider Legal NameANN T WARRENCredential: MD

Location Address27790 W IL ROUTE 22 STE 32Barrington, IL 60010-2396

Mailing Address25941 N Farm View CirLake Barrington, IL 60010-7022 · (847) 381-5104 · Fax (847) 381-0604

Phone(847) 381-8181

Fax(847) 381-0604

Sole ProprietorNo

Enumeration DateOctober 6, 2006

Last NPPES UpdateOctober 20, 2011

✔ NPI 1902993603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in IL · 036075414

Definition

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.

27790 W IL ROUTE 22 STE 32, Barrington, IL 60010

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Other Identifiers 4

Medicaid036075414IL

Other04915108IL · Bluecross/blueshield

Medicare ID-Type UnspecifiedL66064IL · Medicare

Medicare UPINE18391IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann T Warren 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.

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 Ann Warren's NPI number?

The NPI number for Ann Warren is 1902993603. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Ann Warren located?

Ann Warren practices at 27790 W Il Route 22 Ste 32, Barrington, IL 60010. The listed phone number is (847) 381-8181.

What is Ann Warren's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Ann Warren enrolled in Medicare?

Yes. Ann Warren is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ann Warren was last updated on October 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.