Dr Mark Francis Hanak, MD - Medicare Anesthesiology in Saint Louis, MO

Dr Mark Francis Hanak, MD is a medicare enrolled "Anesthesiology" physician in Saint Louis, Missouri. His current practice location is 1 Barnes Jewish Hospital Plz, Dept Anesthesiology, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (800) 862-9980.

Dr Mark Francis Hanak is licensed to practice in Missouri (license number 2023011145) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1437710761.

Contact Information

Dr Mark Francis Hanak, MD
1 Barnes Jewish Hospital Plz, Dept Anesthesiology,
Saint Louis, MO 63110-1003
(800) 862-9980
(314) 362-1185

Map and Direction




Physician's Profile

Full NameDr Mark Francis Hanak
GenderMale
SpecialityAnesthesiology
Location1 Barnes Jewish Hospital Plz, Saint Louis, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1437710761
  • Provider Enumeration Date: 06/26/2019
  • Last Update Date: 04/25/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1153651740
  • Enrollment ID: I20230705001173

Medical Identifiers

Medical identifiers for Dr Mark Francis Hanak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437710761NPI-NPPES
200071722MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 2023011145 (Missouri)Primary

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 Mark Francis Hanak allows following entities to bill medicare on his behalf.
Entity NameWashington University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528005642
PECOS PAC ID: 9830008770
Enrollment ID: O20040129000651

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 Mark Francis Hanak 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 Mark Francis Hanak, MD
Po Box 60352,
Saint Louis, MO 63160-0352

Ph: (800) 862-9980
Dr Mark Francis Hanak, MD
1 Barnes Jewish Hospital Plz, Dept Anesthesiology,
Saint Louis, MO 63110-1003

Ph: (800) 862-9980

Reviews and Comments


Anesthesiology Doctors in Saint Louis, MO

Dr. Pawan S Sethi, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 12700 Southfork Rd Ste 153, Saint Louis, MO 63128
Phone: 314-543-5283    Fax: 314-543-5233
Paul S Patane, M.D.
Anesthesiology
Medicare: May Accept Medicare Assignments
Practice Location: 3015 N Ballas Rd, Saint Louis, MO 63131
Phone: 314-996-5330    Fax: 314-810-1399
Dr. Thomas James Graetz, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1 Barnes Jewish Hospital Plz, Dept Anesthesiology, Saint Louis, MO 63110
Phone: 800-862-9980    Fax: 314-362-1185
Dr. Charles Meador Robertson, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1 Childrens Pl, Dept Anesthesiology, Saint Louis, MO 63110
Phone: 800-862-9980    Fax: 314-362-1185
Dr. Yunhong Zhang, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 10010 Kennerly Rd, Saint Louis, MO 63128
Phone: 314-525-1000    
Katherine Elizabeth Stiles, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 1 Childrens Pl, Saint Louis, MO 63110
Phone: 314-454-6215    Fax: 314-454-2296
Rebecca Chen, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone: 314-362-5000    

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.

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