Dr Shannen K Allen, MD - Medicare Ophthalmology in Rockville, MD

Dr Shannen K Allen, MD is a medicare enrolled "Ophthalmology" physician in Rockville, Maryland. She went to Johns Hopkins University School Of Medicine and graduated in 2002 and has 22 years of diverse experience with area of expertise as Ophthalmology. She is a member of the group practice Robert C. Feldman, Md, Pa and her current practice location is 15005 Shady Grove Rd., Ste 100, Rockville, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 279-9696.

Dr Shannen K Allen is licensed to practice in Maryland (license number D0064522) 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 1407876360.

Contact Information

Dr Shannen K Allen, MD
15005 Shady Grove Rd., Ste 100,
Rockville, MD 20850-6341
(301) 279-9696
(301) 251-5454

Map and Direction




Physician's Profile

Full NameDr Shannen K Allen
GenderFemale
SpecialityOphthalmology
Experience22 Years
Location15005 Shady Grove Rd., Rockville, Maryland
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:
  • Dr Shannen K Allen attended and graduated from Johns Hopkins University School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1407876360
  • Provider Enumeration Date: 07/20/2006
  • Last Update Date: 07/07/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3274539192
  • Enrollment ID: I20061016000468

Medical Identifiers

Medical identifiers for Dr Shannen K Allen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407876360NPI-NPPES
547371100MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology D0064522 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Robert C. Feldman, Md, Pa43855411683

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 Shannen K Allen allows following entities to bill medicare on her behalf.
Entity NameRobert C. Feldman, Md, Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679590574
PECOS PAC ID: 4385541168
Enrollment ID: O20031218000667

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 Shannen K Allen 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 Shannen K Allen, MD
15005 Shady Grove Rd., Suite 100,
Rockville, MD 20850-6341

Ph: (301) 279-9696
Dr Shannen K Allen, MD
15005 Shady Grove Rd., Ste 100,
Rockville, MD 20850-6341

Ph: (301) 279-9696

Reviews and Comments


Ophthalmology Doctors in Rockville, MD

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Dr. Alisa Kim, M.D.
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Dr. Jenifer Ann Aventuro, M.D.
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Practice Location: 15235 Shady Grove Rd Ste 101, Rockville, MD 20850
Phone: 301-330-1366    

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).

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