Mark Chrostowski, MD - Medicare Anesthesiology in Boston, MA

Mark Chrostowski, MD is a medicare enrolled "Anesthesiology" physician in Boston, Massachusetts. He went to Js Weill Medical College, Cornell University and graduated in 2004 and has 20 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Greenwich Anesthesiology Associates Pc and his current practice location is 55 Fruit Street, Clinic 3, Massachusetts General, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 524-1939.

Mark Chrostowski is licensed to practice in Massachusetts (license number 228369) 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 1558317040.

Contact Information

Mark Chrostowski, MD
55 Fruit Street, Clinic 3, Massachusetts General,
Boston, MA 02114
(617) 524-1939
Not Available

Map and Direction




Physician's Profile

Full NameMark Chrostowski
GenderMale
SpecialityAnesthesiology
Experience20 Years
Location55 Fruit Street, Clinic 3, Boston, Massachusetts
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:
  • Mark Chrostowski attended and graduated from Js Weill Medical College, Cornell University in 2004
  NPI Data:
  • NPI Number: 1558317040
  • Provider Enumeration Date: 05/26/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0648375410
  • Enrollment ID: I20080724000232

Medical Identifiers

Medical identifiers for Mark Chrostowski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558317040NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 228369 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Greenwich Hospital Association -Greenwich, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Greenwich Anesthesiology Associates Pc216331542540

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. Mark Chrostowski allows following entities to bill medicare on his behalf.
Entity NameGreenwich Anesthesiology Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972557486
PECOS PAC ID: 2163315425
Enrollment ID: O20040203000088

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. Mark Chrostowski 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
Mark Chrostowski, MD
50 Lila Rd,
Jamaica Plain, MA 02130-3448

Ph: (617) 524-1939
Mark Chrostowski, MD
55 Fruit Street, Clinic 3, Massachusetts General,
Boston, MA 02114

Ph: (617) 524-1939

Reviews and Comments


Anesthesiology Doctors in Boston, MA

Stephen G. Flynn, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6000    
Dr. Dusan Hanidziar, M.D., PH.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 55 Fruit St, Gray-bigelow 444, Boston, MA 02114
Phone: 617-726-3030    
Dr. Michael Christopher Lubrano, M.D., M.P.H.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Boston, MA 02115
Phone: 617-732-8210    
Vahid Kiarad, M.D
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 330 Brookline Ave, Boston, MA 02215
Phone: 617-667-7000    
Kendrick M Shaw, MD, PHD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114
Phone: 617-726-3030    
Dr. Peter Sidhom, DO
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 800 Washington St, Boston, MA 02111
Phone: 603-560-2276    
John William Carl Carter Mallett, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 75 Francis St, Boston, MA 02115
Phone: 617-732-5500    

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.