Bartholomew David Sak, MD - Medicare Internal Medicine in Muskegon, MI

Bartholomew David Sak, MD is a medicare enrolled "Hospitalist" physician in Muskegon, Michigan. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mercy Specialty Services, Spectrum Health Primary Care Partners, Sound Inpatient Physicians-michigan Pllc and his current practice location is 1500 E Sherman Blvd, Muskegon, Michigan. You can reach out to his office (for appointments etc.) via phone at (231) 672-3883.

Bartholomew David Sak is licensed to practice in Michigan (license number 4301068868) 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 1093755167.

Contact Information

Bartholomew David Sak, MD
1500 E Sherman Blvd,
Muskegon, MI 49444-1849
(231) 672-3883
(231) 672-3973



Physician's Profile

Full NameBartholomew David Sak
GenderMale
SpecialityInternal Medicine
Experience28 Years
Location1500 E Sherman Blvd, Muskegon, Michigan
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:
  • Bartholomew David Sak attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1996
  NPI Data:
  • NPI Number: 1093755167
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 04/22/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1658267877
  • Enrollment ID: I20040225000342

Medical Identifiers

Medical identifiers for Bartholomew David Sak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093755167NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 4301068868 (Michigan)Primary
207R00000XInternal Medicine 4301068868 (Michigan)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Health Hackley CampusMuskegon, MIHospital
Spectrum Health Ludington HospitalLudington, MIHospital
Spectrum Health Zeeland Community HospitalZeeland, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Specialty Services236543954479
Spectrum Health Primary Care Partners45875686471585
Sound Inpatient Physicians-michigan Pllc5395896849213

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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. Bartholomew David Sak allows following entities to bill medicare on his behalf.
Entity NameSpectrum Health Primary Care Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235188673
PECOS PAC ID: 4587568647
Enrollment ID: O20031121000091

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Entity NameAspirus Ironwood Hospital & Clinics Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992704753
PECOS PAC ID: 9032013198
Enrollment ID: O20031121000096

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Entity NameMunson Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083761860
PECOS PAC ID: 3072426287
Enrollment ID: O20040108000904

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Entity NameMercy Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023056744
PECOS PAC ID: 8921996307
Enrollment ID: O20040308000687

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Entity NameMercy Specialty Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629010384
PECOS PAC ID: 2365439544
Enrollment ID: O20040429000064

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Entity NameHospitalist Medicine Physicians Of Michigan Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013180181
PECOS PAC ID: 4486703170
Enrollment ID: O20090529000290

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Entity NameSound Inpatient Physicians-michigan Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639311996
PECOS PAC ID: 5395896849
Enrollment ID: O20090624000252

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Entity NameHospitalist Medicine Physicians Of Michigan - Tcs Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437794153
PECOS PAC ID: 9739517137
Enrollment ID: O20200318001589

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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. Bartholomew David Sak 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
Bartholomew David Sak, MD
1560 E Sherman Blvd Ste 240,
Muskegon, MI 49444-1854

Ph: (231) 672-3883
Bartholomew David Sak, MD
1500 E Sherman Blvd,
Muskegon, MI 49444-1849

Ph: (231) 672-3883

News Archive

New breast cancer vaccine provides evidence of immunotherapy in preventing disease recurrence

A new breast cancer vaccine candidate, (GP2), provides further evidence of the potential of immunotherapy in preventing disease recurrence. This is especially the case for high-risk patients when it is combined with a powerful immunotherapy drug.

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Read more News

› Verified 5 days ago


Hospitalist Doctors in Muskegon, MI

Kyle Nathaniel Turcic, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 1500 E Sherman Blvd, Muskegon, MI 49444
Phone: 231-672-2000    
Dr. Peyton Paul Faganel, DO
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1675 Leahy St Ste 201a, Muskegon, MI 49442
Phone: 231-672-7800    
Jon Michael Carnahan, DO
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1500 E Sherman Blvd, Muskegon, MI 49444
Phone: 231-672-3883    Fax: 231-672-3973
Dr. Sripriya Ganesan,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1675 Leahy St Ste 304b, Muskegon, MI 49442
Phone: 231-728-1695    
Matthew Anthony Wagner, DO
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 1500 E Sherman Blvd, Muskegon, MI 49444
Phone: 231-672-2000    
Dr. William Patrick Hughes, D.O.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1500 E Sherman Blvd, Muskegon, MI 49444
Phone: 231-672-3883    Fax: 231-672-3973

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