Dr Mary Y Klein, MD - Medicare Hematology/oncology in Valparaiso, IN

Dr Mary Y Klein, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Valparaiso, Indiana. She went to Medical College Of Pennsylvania and graduated in 1979 and has 45 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice Porter Physician Services Llc and her current practice location is 85 E Us Highway 6 Ste 200, Valparaiso, Indiana. You can reach out to her office (for appointments etc.) via phone at (219) 983-6260.

Dr Mary Y Klein is licensed to practice in Indiana (license number 01034294) 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 1518966589.

Contact Information

Dr Mary Y Klein, MD
85 E Us Highway 6 Ste 200,
Valparaiso, IN 46383
(219) 983-6260
(219) 983-6010

Map and Direction




Physician's Profile

Full NameDr Mary Y Klein
GenderFemale
SpecialityHematology/oncology
Experience45 Years
Location85 E Us Highway 6 Ste 200, Valparaiso, Indiana
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 Mary Y Klein attended and graduated from Medical College Of Pennsylvania in 1979
  NPI Data:
  • NPI Number: 1518966589
  • Provider Enumeration Date: 07/20/2005
  • Last Update Date: 09/11/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 1557265790
  • Enrollment ID: I20050720000986

Medical Identifiers

Medical identifiers for Dr Mary Y Klein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518966589NPI-NPPES
110119928OtherINTRAVELERS MCR PROVDIER #
100209090MedicaidIN
000000091408OtherINBCBS PROVIDER NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 01034294 (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwest Health - PorterValparaiso, INHospital
St Mary Medical Center IncHobart, INHospital
Indiana University Health Starke HospitalKnox, INHospital
Franciscan Health Crown PointCrown point, INHospital
La Porte HospitalLa porte, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Porter Physician Services Llc185048240791

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 Mary Y Klein allows following entities to bill medicare on her behalf.
Entity NamePorter Physician Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508075680
PECOS PAC ID: 1850482407
Enrollment ID: O20070810000409

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 Mary Y Klein 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 Mary Y Klein, MD
2022 Kelle Dr,
Chesterton, IN 46304-8708

Ph: (219) 364-3616
Dr Mary Y Klein, MD
85 E Us Highway 6 Ste 200,
Valparaiso, IN 46383

Ph: (219) 983-6260

Reviews and Comments


Internal Medicine Doctors in Valparaiso, IN

Dr. Mazen Zaitoon, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 85 East United States 6 Frontage, Valparaiso, IN 46383
Phone: 219-983-8300    
Douglas Adolph Mazurek, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1101 Glendale Blvd, Suite 103, Valparaiso, IN 46383
Phone: 219-464-9054    Fax: 219-465-1749
Michael Christopher Hansen, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 85 E Us Highway 6, Valparaiso, IN 46383
Phone: 219-464-9054    Fax: 219-465-1749
John Dougherty,
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 56 Willow St, Valparaiso, IN 46383
Phone: 219-309-7254    
Dr. Akshay R. Trivedi, D.O.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2206 Roosevelt Rd Ste A, Valparaiso, IN 46383
Phone: 219-464-2285    
George E Sloan, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2600 Roosevelt Rd, Valparaiso, IN 46383
Phone: 219-464-1620    Fax: 219-477-4565
Dr. Jay Shah, M.D
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 85 E Us Highway 6 Ste 300, Valparaiso, IN 46383
Phone: 219-983-6300    Fax: 219-263-7620

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.