Ann M Gryboski, MD - Medicare Internal Medicine in South Yarmouth, MA

Ann M Gryboski, MD is a medicare enrolled "Internal Medicine" physician in South Yarmouth, Massachusetts. She went to Tufts University School Of Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Medical Affiliates Of Cape Cod Inc and her current practice location is 495 Station Ave, South Yarmouth, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 778-4777.

Ann M Gryboski is licensed to practice in Massachusetts (license number 58129) 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 1053389924.

Contact Information

Ann M Gryboski, MD
495 Station Ave,
South Yarmouth, MA 02664-1218
(508) 778-4777
(508) 771-9555

Map and Direction




Physician's Profile

Full NameAnn M Gryboski
GenderFemale
SpecialityInternal Medicine
Experience38 Years
Location495 Station Ave, South Yarmouth, Massachusetts
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:
  • Ann M Gryboski attended and graduated from Tufts University School Of Medicine in 1986
  NPI Data:
  • NPI Number: 1053389924
  • Provider Enumeration Date: 03/08/2006
  • Last Update Date: 06/18/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 1254365463
  • Enrollment ID: I20050926001172

Medical Identifiers

Medical identifiers for Ann M Gryboski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053389924NPI-NPPES
3052842MedicaidMA
J08099OtherMABCBS
66005OtherMAHPHC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 58129 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Vna Of Cape CodHyannis, MAHome health agency
Bayada Home Health Care , IncHyannis, MAHome health agency
Bayada Home Health Care IncPlymouth, MAHome health agency
Cape Cod HealthcareHyannis, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medical Affiliates Of Cape Cod Inc3577471564187

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. Ann M Gryboski allows following entities to bill medicare on her behalf.
Entity NameMedical Affiliates Of Cape Cod Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770534927
PECOS PAC ID: 3577471564
Enrollment ID: O20040510001010

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. Ann M Gryboski 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
Ann M Gryboski, MD
297 North St Ste 221,
Hyannis, MA 02601-5133

Ph: (508) 862-7777
Ann M Gryboski, MD
495 Station Ave,
South Yarmouth, MA 02664-1218

Ph: (508) 778-4777

Reviews and Comments


Internal Medicine Doctors in South Yarmouth, MA

Jorge A Alfonso, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 495 Station Ave, South Yarmouth, MA 02664
Phone: 508-778-4777    Fax: 508-771-9555
Stephen W Malaquias, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 257 Station Avenue, South Yarmouth, MA 02664
Phone: 508-394-8303    Fax: 508-398-6680
Dr. Mahmood Muhammad Rana, M.D
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 495 Station Ave, South Yarmouth, MA 02664
Phone: 508-778-4777    
Kumara Sidhartha, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 495 Station Ave, South Yarmouth, MA 02664
Phone: 508-778-4777    Fax: 508-771-9555
Dr. Jennifer Lynn Patten, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 93 N Main St, South Yarmouth, MA 02664
Phone: 508-367-5572    Fax: 888-862-4414
John H. Gullett Ii, MD FACP FIDSA
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 65 Cove View Drive X206, South Yarmouth, MA 22664
Phone: 508-694-7459    

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.