MAXWELL FREDERICK LYDIATT MD
NPI 1093383325
Psychiatry & Neurology - Psychiatry in Milwaukee, WI

Q: What is Maxwell Lydiatt's NPI number?

The NPI number for Maxwell Lydiatt is 1093383325. It was assigned to this individual provider in the NPPES registry on June 14, 2021.

Q: What is Maxwell Lydiatt's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Maxwell Lydiatt was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since June 14, 2021PECOS EnrolledAccepts Medicare Assignment

1525 N 12TH ST, MILWAUKEE, WI 53205(414) 966-3030(414) 649-1309 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 31, 2025, Jun 14, 2021 (2 updates tracked since 2021).

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About Maxwell Frederick Lydiatt Md NPPES

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

MAXWELL FREDERICK LYDIATT MD (NPI 1093383325) is an individual psychiatry provider in Milwaukee, Wisconsin, licensed in Wisconsin (85467) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Nebraska College Of Medicine (2021).

NPPES Registry Identity

NPI1093383325

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameMAXWELL FREDERICK LYDIATTCredential: MD

Location Address1525 N 12TH STMilwaukee, WI 53205-2591

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(414) 966-3030

Fax(414) 649-1309

Sole ProprietorNo

Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 2021

Enumeration DateJune 14, 2021

Last NPPES UpdateOctober 14, 20252 updates tracked since enumeration

NPPES CertifiedOctober 14, 2025

✔ NPI 1093383325 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 WI · 85467

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.

1525 N 12TH ST, Milwaukee, WI 53205

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Secondary Practice Locations 2

Location 18701 Watertown Plank RdMilwaukee, WI 53226-3548 · Phone (414) 955-8900

Location 2985575 Nebraska Medical CtrOmaha, NE 68198-5575 · Phone (402) 552-6074 · Fax (402) 552-6773

Other Identifiers 1

Medicaid100332249WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Network Health, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maxwell Frederick Lydiatt Md 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 ID7618375643

PECOS Enrollment IDI20250830000678

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53205 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

$163.24 typical visit price

range $53.90 – $163.24

Typical copayment $40.81 (range $13.47 – $40.81)

Most-billed visit code 99205

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

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 9

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

AHMED JAVED M.D.

Psychiatry & Neurology (Psychiatry)