Dr Gary M Hollander, DO - Medicare Internal Medicine in Walled Lake, MI

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Dr Gary M Hollander, DO is a medicare enrolled "Internal Medicine" physician in Walled Lake, Michigan. He went to Michigan State University College Of Osteopathic Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Vmd Primary Providers Eastern Michigan Pc and his current practice location is 620 N Pontiac Trl, Walled Lake, Michigan. You can reach out to his office (for appointments etc.) via phone at (248) 624-4511.

Dr Gary M Hollander is licensed to practice in Michigan (license number 5101012793) 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 1902896749.

Contact Information

Dr Gary M Hollander, DO
620 N Pontiac Trl,
Walled Lake, MI 48390-3443
(248) 624-4511
(248) 624-4408

Map and Direction




Physician's Profile

Full NameDr Gary M Hollander
GenderMale
SpecialityInternal Medicine
Experience29 Years
Location620 N Pontiac Trl, Walled Lake, 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:
  • Dr Gary M Hollander attended and graduated from Michigan State University College Of Osteopathic Medicine in 1995
  NPI Data:
  • NPI Number: 1902896749
  • Provider Enumeration Date: 10/24/2005
  • Last Update Date: 02/23/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 0749264208
  • Enrollment ID: I20100916000894

Medical Identifiers

Medical identifiers for Dr Gary M Hollander such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902896749NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 5101012793 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Henry Ford West Bloomfield HospitalWest bloomfield, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Vmd Primary Providers Eastern Michigan Pc923448057562

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. Dr Gary M Hollander allows following entities to bill medicare on his behalf.
Entity NameEnvision Diagnostic Center Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144543562
PECOS PAC ID: 9335264472
Enrollment ID: O20100914000252
Entity NameEnvision Medical Group Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578891750
PECOS PAC ID: 0840315867
Enrollment ID: O20101006000393
Entity NameVmd Primary Providers Eastern Michigan Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336625540
PECOS PAC ID: 9234480575
Enrollment ID: O20180925002900

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. Dr Gary M Hollander 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
Dr Gary M Hollander, DO
620 N Pontiac Trl,
Walled Lake, MI 48390-3443

Ph: (248) 624-4511		Dr Gary M Hollander, DO
620 N Pontiac Trl,
Walled Lake, MI 48390-3443

Ph: (248) 624-4511

Reviews and Comments


Internal Medicine Doctors in Walled Lake, MI

Dr. Mohammad Saleh, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 620 N Pontiac Trl, Walled Lake, MI 48390
Phone: 248-624-4511    
Dr. Diana Jolynn Carlson, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 N Pond Dr, Suite C, Walled Lake, MI 48390
Phone: 248-624-2222    Fax: 248-926-9455
Jeet N Pillay, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 N Pond Dr, Ste C, Walled Lake, MI 48390
Phone: 248-624-2222    Fax: 248-926-9455
Toribiong Uchel, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 440 Old Pine Way, Walled Lake, MI 48390
Phone: 989-820-8598    

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.