Dr Margaret Lang, MD - Medicare Hospitalist in Ann Arbor, MI

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Dr Margaret Lang, MD is a medicare enrolled "Pediatrics" physician in Ann Arbor, Michigan. She went to University Of South Carolina School Of Medicine and graduated in 2022 and has 4 years of diverse experience with area of expertise as Hospitalist. She is a member of the group practice Ssm Health Care Group and her current practice location is 400 E Eisenhower Pkwy, Ann Arbor, Michigan. You can reach out to her office (for appointments etc.) via phone at (734) 539-5080.

Dr Margaret Lang is licensed to practice in Michigan (license number 4301517512) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1487395166.

Contact Information

Dr Margaret Lang, MD
400 E Eisenhower Pkwy,
Ann Arbor, MI 48108-3302
(734) 539-5080
Not Available

Map and Direction




Physician's Profile

Full NameDr Margaret Lang
GenderFemale
SpecialityHospitalist
Experience4 Years
Location400 E Eisenhower Pkwy, Ann Arbor, Michigan
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Margaret Lang attended and graduated from University Of South Carolina School Of Medicine in 2022
  NPI Data:
  • NPI Number: 1487395166
  • Provider Enumeration Date: 04/05/2022
  • Last Update Date: 07/21/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 3476934340
  • Enrollment ID: I20250606002578

Medical Identifiers

Medical identifiers for Dr Margaret Lang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487395166NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 2022021275 (Missouri)Secondary
208000000XPediatrics 4301517512 (Michigan)Primary
208M00000XHospitalist 2025012448 (Missouri)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ssm Health Care Group0143608372929

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 Margaret Lang allows following entities to bill medicare on her behalf.
Entity NameSSM Health Care Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306589544
PECOS PAC ID: 0143608372
Enrollment ID: O20220531002655

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 Margaret Lang 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 Margaret Lang, MD
3621 S State St,
Ann Arbor, MI 48108-1633

Ph: Not Available		Dr Margaret Lang, MD
400 E Eisenhower Pkwy,
Ann Arbor, MI 48108-3302

Ph: (734) 539-5080

Reviews and Comments


Pediatrics Doctors in Ann Arbor, MI

Dr. Michael Edmund Watson, MD
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Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone: 734-936-4000    
Joanna Van Beek, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1500 E Medical Center Dr, D3238 Mpb Spc 5718, Ann Arbor, MI 48109
Phone: 734-763-5589    Fax: 734-763-4208
Ashleigh Grund El Sakr, MD
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Practice Location: 4900 Jackson Rd Ste A, Ann Arbor, MI 48103
Phone: 734-998-7380    
Jennifer Rose Blase, MD, PH.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone: 734-936-4000    
Vishvanie Bernadene Stoody, MD
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Medicare: Medicare Enrolled
Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone: 734-936-4000    
Maysa Hamade, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone: 734-936-4000    
Dr. Alejandro Velez Lopez, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone: 734-936-4000    

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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