Cassing Hammond, MD - Medicare Obstetrics/gynecology in Chicago, IL

Cassing Hammond, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Chicago, Illinois. He went to Missouri Medical College and graduated in 1988 and has 36 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Northwestern Medical Faculty Foundation and his current practice location is 680 N Lake Shore Dr, Suite 1000, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 695-9797.

Cassing Hammond is licensed to practice in Illinois (license number ) 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 1447260112.

Contact Information

Cassing Hammond, MD
680 N Lake Shore Dr, Suite 1000,
Chicago, IL 60611-4546
(312) 695-9797
Not Available

Map and Direction




Physician's Profile

Full NameCassing Hammond
GenderMale
SpecialityObstetrics/gynecology
Experience36 Years
Location680 N Lake Shore Dr, Chicago, Illinois
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:
  • Cassing Hammond attended and graduated from Missouri Medical College in 1988
  NPI Data:
  • NPI Number: 1447260112
  • Provider Enumeration Date: 08/08/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4082658331
  • Enrollment ID: I20050616001046

Medical Identifiers

Medical identifiers for Cassing Hammond such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447260112NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwestern Memorial HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwestern Medical Faculty Foundation45875768143352

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. Cassing Hammond allows following entities to bill medicare on his behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541

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. Cassing Hammond 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
Cassing Hammond, MD
680 N Lake Shore Dr, Suite 1000,
Chicago, IL 60611-4546

Ph: (312) 695-9797
Cassing Hammond, MD
680 N Lake Shore Dr, Suite 1000,
Chicago, IL 60611-4546

Ph: (312) 695-9797

Reviews and Comments


Obstetrics & Gynecology Doctors in Chicago, IL

Elizabeth Isak,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 680 N Lake Shore Dr Ste 810, Chicago, IL 60611
Phone: 312-926-8811    Fax: 312-926-8855
Malavika Kalyani Perinchery, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 5841 S Maryland Ave # Mc2050, Chicago, IL 60637
Phone: 773-834-0598    
Margaret C Schermerhorn, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1620 W Harrison St, Chicago, IL 60612
Phone: 312-942-5000    
Maria Teresa Tam, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2845 N Sheridan Rd, Ste 902, Chicago, IL 60657
Phone: 773-904-8641    Fax: 872-888-1206
Mr. Clyde Harris Lawson, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 8234 S. Ashland Avenue, Chicago, IL 60620
Phone: 773-874-1400    Fax: 773-874-9245
Rebekah Osgood, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 680 N Lake Shore Dr Ste 810, Chicago, IL 60611
Phone: 312-926-3627    Fax: 312-587-9802
Dr. Sarah Hoque, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 2001 S California Ave, Chicago, IL 60608
Phone: 773-584-6200    

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.