Daniel Isaac, DO - Medicare Hematology/oncology in Grand Rapids, MI

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Daniel Isaac, DO is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Grand Rapids, Michigan. He graduated from medical school in 2013 and has 13 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Mclaren Greater Lansing and his current practice location is 145 Michigan St Ne Ste 2200, Grand Rapids, Michigan. You can reach out to his office (for appointments etc.) via phone at (616) 486-5933.

Daniel Isaac is licensed to practice in Michigan (license number 5101020392) 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 1326486416.

Contact Information

Daniel Isaac, DO
145 Michigan St Ne Ste 2200,
Grand Rapids, MI 49503-2562
(616) 486-5933
Not Available

Map and Direction




Physician's Profile

Full NameDaniel Isaac
GenderMale
SpecialityHematology/oncology
Experience13 Years
Location145 Michigan St Ne Ste 2200, Grand Rapids, 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:
  • Daniel Isaac graduated from medical school in 2013
  NPI Data:
  • NPI Number: 1326486416
  • Provider Enumeration Date: 06/11/2013
  • Last Update Date: 03/12/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 4688805146
  • Enrollment ID: I20190717000202

Medical Identifiers

Medical identifiers for Daniel Isaac such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326486416NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 5101020392 (Michigan)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 5101020392 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mclaren Home HealthLansing, MIHome health agency
Mclaren Greater LansingLansing, MIHospital
University Of Michigan Health-sparrow LansingLansing, MIHospital
University Of Michigan Health - Sparrow EatonCharlotte, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mclaren Greater Lansing721483346696

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. Daniel Isaac allows following entities to bill medicare on his behalf.
Entity NameMichigan State University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861443269
PECOS PAC ID: 3870405954
Enrollment ID: O20031105000741
Entity NameSpectrum Health Primary Care Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235188673
PECOS PAC ID: 4587568647
Enrollment ID: O20031121000091
Entity NameSpectrum Health Hospitals
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558407189
PECOS PAC ID: 8921904764
Enrollment ID: O20040120000997
Entity NameMclaren Greater Lansing
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962808162
PECOS PAC ID: 7214833466
Enrollment ID: O20150102001519
Entity NameMsu Health Care Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700418670
PECOS PAC ID: 8628404936
Enrollment ID: O20200518002744

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. Daniel Isaac 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
Daniel Isaac, DO
804 Service Rd Ste A202,
East Lansing, MI 48824-7015

Ph: (517) 975-9500		Daniel Isaac, DO
145 Michigan St Ne Ste 2200,
Grand Rapids, MI 49503-2562

Ph: (616) 486-5933

Reviews and Comments


Internal Medicine Doctors in Grand Rapids, MI

Maureen Tan Pedres, M.D.
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Practice Location: 100 Michigan St Ne, Suite A721, Grand Rapids, MI 49503
Phone: 616-391-3139    Fax: 616-391-3044
Jeffery Allen Woo, M.D.
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Phone: 616-459-3158    Fax: 616-988-0071
Robert W Selfe, D.O.
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Practice Location: 221 Michigan St Ne, Suite 200, Grand Rapids, MI 49503
Phone: 616-267-8950    Fax: 616-267-8585
Dr. Erin Megan Pettijohn, M.D.
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Practice Location: 250 Cherry St Se Ste 2200, Grand Rapids, MI 49503
Phone: 616-685-5600    
Dr. Andrew Leo Sochacki, M.D.
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Practice Location: 5800 Foremost Dr Se Ste 200, Grand Rapids, MI 49546
Phone: 616-389-1800    
Kali Gray, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 330 E Beltline Ave Ne Ste 100, Grand Rapids, MI 49506
Phone: 616-752-6235    Fax: 616-752-6324
Aline De Quadros Teixeira, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Michigan St Ne, Grand Rapids, MI 49503
Phone: 616-391-3139    

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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