Mark S Grogan, MD - Medicare Cardiovascular Disease (cardiology) in Derby, CT

Mark S Grogan, MD is a medicare enrolled "Internal Medicine - Interventional Cardiology" physician in Derby, Connecticut. He graduated from medical school in 1982 and has 42 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Hartford Healthcare Medical Group Specialists Pllc, The Griffin Hospital and his current practice location is 130 Division Street, Derby, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 732-7455.

Mark S Grogan is licensed to practice in Connecticut (license number 026818) 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 1306909379.

Contact Information

Mark S Grogan, MD
130 Division Street,
Derby, CT 06418
(203) 732-7455
(203) 735-5507

Map and Direction




Physician's Profile

Full NameMark S Grogan
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience42 Years
Location130 Division Street, Derby, Connecticut
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 S Grogan graduated from medical school in 1982
  NPI Data:
  • NPI Number: 1306909379
  • Provider Enumeration Date: 12/19/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5092804369
  • Enrollment ID: I20111118000225

Medical Identifiers

Medical identifiers for Mark S Grogan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306909379NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0011XInternal Medicine - Interventional Cardiology 026818 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Griffin HospitalDerby, CTHospital
St. Vincent's Medical CenterBridgeport, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hartford Healthcare Medical Group Specialists Pllc31738662411138
The Griffin Hospital892190198430

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 S Grogan allows following entities to bill medicare on his behalf.
Entity NameThe Griffin Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184639973
PECOS PAC ID: 8921901984
Enrollment ID: O20040128000937
Entity NameCardiology Associates Of Derby Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851361844
PECOS PAC ID: 7719076066
Enrollment ID: O20071210000236
Entity NameHartford Healthcare Medical Group Specialists Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023584216
PECOS PAC ID: 3173866241
Enrollment ID: O20190514001441

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 S Grogan 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 S Grogan, MD
Po Box 354,
Derby, CT 06418

Ph: (203) 732-7455
Mark S Grogan, MD
130 Division Street,
Derby, CT 06418

Ph: (203) 732-7455

Reviews and Comments


Internal Medicine Doctors in Derby, CT

Genevieve Cecile Kela, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-732-7327    
Dr. Gerald George Fette, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-732-1330    Fax: 203-732-1332
Dr. Howard Quentzel, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-732-7439    Fax: 203-732-1425
Mukesh Kumar, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-732-1330    Fax: 203-732-1332
Earl Lewin Baker, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 130 Division Street, Derby, CT 06418
Phone: 203-735-7421    
Aartee Deshpande, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-732-1330    

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.