Dr Gregory John Ladas, MD - Medicare Ophthalmology in Silver Spring, MD

Dr Gregory John Ladas, MD is a medicare enrolled "Ophthalmology" physician in Silver Spring, Maryland. His current practice location is 2101 Medical Park Dr, Suite 101, Silver Spring, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 681-6600.

Dr Gregory John Ladas is licensed to practice in Maryland (license number D15160) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1396777975.

Contact Information

Dr Gregory John Ladas, MD
2101 Medical Park Dr, Suite 101,
Silver Spring, MD 20902-4053
(301) 681-6600
(301) 681-3799

Map and Direction




Physician's Profile

Full NameDr Gregory John Ladas
GenderMale
SpecialityOphthalmology
Location2101 Medical Park Dr, Silver Spring, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1396777975
  • Provider Enumeration Date: 07/06/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8527165190
  • Enrollment ID: I20101112001136

Medical Identifiers

Medical identifiers for Dr Gregory John Ladas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396777975NPI-NPPES
0001OtherBLUE CROSS/BLUE SHIELD
181923029OtherMEDICARE RAILROAD
228252OtherUNITED HEALTHCARE - MAMSI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology D15160 (Maryland)Primary

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 Gregory John Ladas allows following entities to bill medicare on his behalf.
Entity NameLadas Eye Group Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902837149
PECOS PAC ID: 6406822584
Enrollment ID: O20040909000655

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 Gregory John Ladas 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 Gregory John Ladas, MD
12117 Red Admiral Way,
Germantown, MD 20876-5939

Ph: (301) 916-6160
Dr Gregory John Ladas, MD
2101 Medical Park Dr, Suite 101,
Silver Spring, MD 20902-4053

Ph: (301) 681-6600

Reviews and Comments


Ophthalmology Doctors in Silver Spring, MD

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Dr. William D O'donnell, M.D.
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Phone: 301-681-6600    Fax: 301-681-3799
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Phone: 301-587-1220    Fax: 301-587-1269
Dr. Aisha Macedo, M.D.
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Phone: 301-681-6600    
Julie G Gutmark, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 8630 Fenton St, Suite 130, Silver Spring, MD 20910
Phone: 301-588-1177    Fax: 301-589-5245

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.