CARL M. WAHLSTROM, JR., M.D., LIMITED
NPI 1912190901
Psychiatry & Neurology - Psychiatry in Chicago, IL

Q: What is Carl M. Wahlstrom, Jr., M.D., Limited's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since August 22, 2007

333 N MICHIGAN AVE STE 1812, CHICAGO, IL 60601(312) 782-7895(312) 782-7897 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Carl M. Wahlstrom, Jr., M.d., Limited NPPES

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

CARL M. WAHLSTROM, JR., M.D., LIMITED (NPI 1912190901) is a healthcare organization registered as a psychiatry in Chicago, Illinois and active in the NPI registry since August 2007. The organization lists Carl M Wahlstrom, President, as its authorized official.

NPPES Registry Identity

NPI1912190901

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameCARL M. WAHLSTROM, JR., M.D., LIMITED

Location Address333 N MICHIGAN AVE STE 1812Chicago, IL 60601-3982

Mailing Address333 N Michigan Ave Ste 1812Chicago, IL 60601-3982 · (312) 782-7895 · Fax (312) 782-7897

Phone(312) 782-7895

Fax(312) 782-7897

Organization SubpartNo

Authorized OfficialCarl M WahlstromPresident · (312) 782-7895

Enumeration DateAugust 22, 2007

Last NPPES UpdateAugust 10, 2026

NPPES CertifiedAugust 10, 2026

✔ NPI 1912190901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in IL · 036-076654

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

333 N MICHIGAN AVE STE 1812, Chicago, IL 60601

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carl M. Wahlstrom, Jr., M.d., Limited is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Carl M. Wahlstrom, Jr., M.D., Limited, which bills Medicare for the services this clinician delivers.

Clinician (1)

Carl Wahlstrom, M.D.

Psychiatry

NPI 1255498945

333 N MICHIGAN AVE STE 1812
Chicago, IL 60601

(312) 782-7895

✔ PECOSSame address

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

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 Carl M. Wahlstrom, Jr., M.D., Limited's NPI number?

The NPI number for Carl M. Wahlstrom, Jr., M.D., Limited is 1912190901. It was assigned to this organization in the NPPES registry on August 22, 2007.

Where is Carl M. Wahlstrom, Jr., M.D., Limited located?

Carl M. Wahlstrom, Jr., M.D., Limited is located at 333 N Michigan Ave Ste 1812, Chicago, IL 60601. The listed phone number is (312) 782-7895.

What is Carl M. Wahlstrom, Jr., M.D., Limited's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Carl M. Wahlstrom, Jr., M.D., Limited enrolled in Medicare?

Yes. Carl M. Wahlstrom, Jr., M.D., Limited is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Carl M. Wahlstrom, Jr., M.D., Limited?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Carl M. Wahlstrom, Jr., M.D., Limited. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Carl M. Wahlstrom, Jr., M.D., Limited was last updated on August 10, 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.