Gary J Leo, DO - Medicare Psychiatry & Neurology in Milwaukee, WI

Gary J Leo, DO is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Milwaukee, Wisconsin. His current practice location is 2311 N Prospect Ave, Milwaukee, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (414) 319-3000.

Gary J Leo is licensed to practice in Wisconsin (license number 23807) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1336182237.

Contact Information

Gary J Leo, DO
2311 N Prospect Ave,
Milwaukee, WI 53211-4445
(414) 319-3000
(414) 319-3033

Map and Direction




Physician's Profile

Full NameGary J Leo
GenderMale
SpecialityPsychiatry & Neurology - Neurology
Location2311 N Prospect Ave, Milwaukee, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1336182237
  • Provider Enumeration Date: 06/14/2006
  • Last Update Date: 02/19/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 0143242099
  • Enrollment ID: I20051220000834

Medical Identifiers

Medical identifiers for Gary J Leo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336182237NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology 23807 (Wisconsin)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gary J Leo allows following entities to bill medicare on his behalf.
Entity NameAscension Medical Group-southeast Wisconsin Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609881077
PECOS PAC ID: 8628980943
Enrollment ID: O20031104000421
Entity NameColumbia St Marys Hospital Milwaukee Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023064482
PECOS PAC ID: 5890604722
Enrollment ID: O20031105000057

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gary J Leo is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gary J Leo, DO
4425 N Port Washington Rd, Csmcp Clinic Credentialing,
Glendale, WI 53212-1082

Ph: (414) 319-3000
Gary J Leo, DO
2311 N Prospect Ave,
Milwaukee, WI 53211-4445

Ph: (414) 319-3000

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.