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NENE TAKAHASHI DO
NPI 1871242420
Psychiatry & Neurology - Psychiatry in Oak Brook, IL

Active since March 21, 2022PECOS EnrolledAccepts Medicare Assignment
600 W 22ND ST STE 260, OAK BROOK, IL 60523(331) 291-8522(872) 345-0298 Get Directions Write a Review

NPPES record last updated: August 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 15, 2026, Jul 23, 2026 (2 updates tracked since 2026).

About Nene Takahashi Do NPPES

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

NENE TAKAHASHI DO (NPI 1871242420) is an individual psychiatry provider in Oak Brook, Illinois, licensed in Illinois (036172044) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1871242420
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameNENE TAKAHASHICredential: DO
Location Address600 W 22ND ST STE 260Oak Brook, IL 60523-1947
Mailing Address600 W 22nd St Ste 260Oak Brook, IL 60523-1947 · (331) 291-8522 · Fax (872) 345-0298
Phone(331) 291-8522
Fax(872) 345-0298
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 21, 2022
Last NPPES UpdateAugust 15, 20262 updates tracked since enumeration
NPPES CertifiedAugust 15, 2026
✔ NPI 1871242420 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 · 036172044
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.
600 W 22ND ST STE 260, Oak Brook, IL 60523
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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

Nene Takahashi Do 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 ID7911388335
PECOS Enrollment IDI20250312002675
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 Reassignment

Medicare enrollment records show Nene Takahashi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mugen Psychiatry LLC
Same address
Psychiatry
600 W 22ND ST STE 260
Oak Brook, IL 60523
  • Reassigned Medicare billing, Illinois enrollment
  • 37 clinicians in this Medicare group
NPI 1861146284 (331) 291-8522

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60523 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
$181.38 typical visit price
range $59.81 – $181.38
Typical copayment $45.34 (range $14.95 – $45.34)
Most-billed visit code 99205
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MACEY SANAIE
Psychiatry & Neurology (Psychiatry)
600 W 22ND ST STE 260
OAK BROOK, IL 60523
Dupage County (331) 291-8522
HEATHER RIGNEY
Nurse Practitioner (Psychiatric/Mental Health)
600 W 22ND ST STE 260
OAK BROOK, IL 60523
Dupage County (773) 922-6712
DR. ALAN AKIRA MD
Psychiatry & Neurology (Psychiatry)
600 W 22ND ST STE 260
OAK BROOK, IL 60523
Dupage County (331) 291-8522
HUW DAVIES
Nurse Practitioner (Psychiatric/Mental Health)
600 W 22ND ST STE 260
OAK BROOK, IL 60523
Dupage County (331) 291-8522
MUGEN PSYCHIATRY LLC
Psychiatry & Neurology (Psychiatry)
600 W 22ND ST STE 260
OAK BROOK, IL 60523
Dupage County (331) 291-8522

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 Nene Takahashi's NPI number?

The NPI number for Nene Takahashi is 1871242420. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Nene Takahashi located?

Nene Takahashi practices at 600 W 22nd St Ste 260, Oak Brook, IL 60523. The listed phone number is (331) 291-8522.

What is Nene Takahashi's specialty?

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

Is Nene Takahashi enrolled in Medicare?

Yes. Nene Takahashi 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 organization bills Medicare for Nene Takahashi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nene Takahashi reassigns Medicare benefits to Mugen Psychiatry LLC (Oak Brook, IL). The 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 Nene Takahashi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nene Takahashi was last updated on August 15, 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.