Daniel Leonard Griffen Iii, MD - Medicare Cardiovascular Disease (cardiology) in Rockville, MD

Daniel Leonard Griffen Iii, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Rockville, Maryland. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated 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 Adventist Physician Services Inc and his current practice location is 15225 Shady Grove Rd, Suite 201, Rockville, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 670-3000.

Daniel Leonard Griffen Iii is licensed to practice in Maryland (license number D0042110) 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 1083640080.

Contact Information

Daniel Leonard Griffen Iii, MD
15225 Shady Grove Rd, Suite 201,
Rockville, MD 20850-3254
(301) 670-3000
(301) 924-0186



Physician's Profile

Full NameDaniel Leonard Griffen Iii
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience42 Years
Location15225 Shady Grove Rd, Rockville, Maryland
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:
  • Daniel Leonard Griffen Iii attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1982
  NPI Data:
  • NPI Number: 1083640080
  • Provider Enumeration Date: 06/23/2006
  • Last Update Date: 05/15/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 0345315339
  • Enrollment ID: I20080827000053

Medical Identifiers

Medical identifiers for Daniel Leonard Griffen Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083640080NPI-NPPES
781811400MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease D0042110 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Healthcare Shady Grove Medical CenterRockville, MDHospital
Holy Cross Germantown HospitalGermantown, MDHospital
Adventist Healthcare White Oak Medical CenterSilver spring, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Adventist Physician Services Inc4284631540123

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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. Daniel Leonard Griffen Iii allows following entities to bill medicare on his behalf.
Entity NameCardiac Associates, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255473179
PECOS PAC ID: 8022005834
Enrollment ID: O20040426001014

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Entity NameAdventist Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376623207
PECOS PAC ID: 4284631540
Enrollment ID: O20061030000122

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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. Daniel Leonard Griffen Iii 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
Daniel Leonard Griffen Iii, MD
15225 Shady Grove Rd, Suite 201,
Rockville, MD 20850-3254

Ph: (301) 670-3000
Daniel Leonard Griffen Iii, MD
15225 Shady Grove Rd, Suite 201,
Rockville, MD 20850-3254

Ph: (301) 670-3000

News Archive

New web-based tool enables researchers to quickly visualize genomic information

Scientists at the University of Maryland have developed a new, web-based tool that enables researchers to quickly and easily visualize and compare large amounts of genomic information resulting from high-throughput sequencing experiments.

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People age 65 years and older account for 40 percent of inpatient operations and one-third of outpatient procedures, and these older patients are more vulnerable to longer hospital stays and other complications after surgery than younger patients.

Occlutech receives favorable appeal court ruling against patent litigation with AGA Medical

Occlutech GmbH, the leading European developer of minimally invasive implants for the treatment of structural heart disease, today announced receiving a favourable appeal court ruling from The Hague, The Netherlands in the on-going patent litigation with AGA Medical. A favourable first instance court ruling obtained by Occlutech had been appealed by AGA in 2008.

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Internal Medicine Doctors in Rockville, MD

Dr. Sheila Gay Levin, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 14955 Shady Grove Rd, Suite 150, Rockville, MD 20850
Phone: 301-340-3252    Fax: 301-340-1423
Dr. Shubir Sofat, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 10110 Molecular Dr Ste 200, Rockville, MD 20850
Phone: 301-610-4000    Fax: 301-610-4007
Dr. Kajal Dasgupta, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 2101 E Jefferson St, Kaiser Permanente Medicare Enrollment, Rockville, MD 20852
Phone: 301-816-2424    
Joseph M Haggerty, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 9707 Medical Center Dr, Suite 300, Rockville, MD 20850
Phone: 301-424-6231    Fax: 301-294-4648
Isabelle A Hertig, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 11125 Rockville Pike, Suite 208, Rockville, MD 20852
Phone: 301-881-5858    Fax: 301-260-2838
Dr. Wellington Sun, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 1401 Rockville Pike, Suite 300n, Rockville, MD 20852
Phone: 301-827-3070    Fax: 301-827-3532
Dr. Wei Fan, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 2401 Research Blvd Ste 370, Rockville, MD 20850
Phone: 240-690-4114    Fax: 240-654-3915

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