William P Galli, DO - Medicare Critical Care (intensivists) in Saint Louis, MO

William P Galli, DO is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Saint Louis, Missouri. He went to Philadelphia College Of Osteopathic Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as Critical Care (intensivists). He is a member of the group practice Mercy Clinic Adult Critical Care, Llc and his current practice location is 615 S New Ballas Rd, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 251-6486.

William P Galli is licensed to practice in Missouri (license number 2011019868) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1386678670.

Contact Information

William P Galli, DO
615 S New Ballas Rd,
Saint Louis, MO 63141-8221
(314) 251-6486
(314) 251-4155

Map and Direction




Physician's Profile

Full NameWilliam P Galli
GenderMale
SpecialityCritical Care (intensivists)
Experience30 Years
Location615 S New Ballas Rd, Saint Louis, Missouri
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William P Galli attended and graduated from Philadelphia College Of Osteopathic Medicine in 1994
  NPI Data:
  • NPI Number: 1386678670
  • Provider Enumeration Date: 07/10/2006
  • Last Update Date: 11/19/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 1557389517
  • Enrollment ID: I20111207000712

Medical Identifiers

Medical identifiers for William P Galli such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386678670NPI-NPPES
140784003MedicaidAR
1386678670MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease E2629 (Arkansas)Secondary
207RP1001XInternal Medicine - Pulmonary Disease 2011019868 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital WashingtonWashington, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic Adult Critical Care, Llc377951204145

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. William P Galli allows following entities to bill medicare on his behalf.
Entity NameMercy Clinic Adult Critical Care, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730119421
PECOS PAC ID: 3779512041
Enrollment ID: O20050808000024
Entity NameMercy Clinic Adult Hospitalists - Washington, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891943429
PECOS PAC ID: 3577630540
Enrollment ID: O20080917000782

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. William P Galli 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
William P Galli, DO
621 S New Ballas Rd, Suite 4006b,
Saint Louis, MO 63141-8232

Ph: (314) 251-6486
William P Galli, DO
615 S New Ballas Rd,
Saint Louis, MO 63141-8221

Ph: (314) 251-6486

Reviews and Comments


Internal Medicine Doctors in Saint Louis, MO

Dr. Isik Turker, MD
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Conor Mccartney, M.D.
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Rehan Rais, M.D. M.B.,B.S.
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Nathan Farkas, M.D.
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Dr. Nicole Foley, M.D.
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Phone: 314-362-5000    
Soumojit Ghosh,
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Medicare: Accepting Medicare Assignments
Practice Location: 3660 Vista Ave, Saint Louis, MO 63110
Phone: 314-977-6100    Fax: 314-977-6164

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).

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