Aaron Charniak, MD - Medicare Hospitalist in Rockville, MD

Aaron Charniak, MD is a medicare enrolled "Hospitalist" physician in Rockville, Maryland. He graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Greater Baltimore Medical Center Inc and his current practice location is 9901 Medical Center Dr, Rockville, Maryland. You can reach out to his office (for appointments etc.) via phone at (240) 826-6000.

Aaron Charniak is licensed to practice in New York (license number 289945) 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 1063827350.

Contact Information

Aaron Charniak, MD
9901 Medical Center Dr,
Rockville, MD 20850
(240) 826-6000
Not Available

Map and Direction




Physician's Profile

Full NameAaron Charniak
GenderMale
SpecialityHospitalist
Experience10 Years
Location9901 Medical Center Dr, 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:
  • Aaron Charniak graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1063827350
  • Provider Enumeration Date: 06/25/2014
  • Last Update Date: 07/27/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 5698040848
  • Enrollment ID: I20191203003125

Medical Identifiers

Medical identifiers for Aaron Charniak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1063827350NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine D85926 (Maryland)Secondary
208M00000XHospitalist 289945 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Greater Baltimore Medical CenterBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Greater Baltimore Medical Center Inc1759276975309

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. Aaron Charniak allows following entities to bill medicare on his behalf.
Entity NameGreater Baltimore Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891855763
PECOS PAC ID: 1759276975
Enrollment ID: O20040217000852

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. Aaron Charniak 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
Aaron Charniak, MD
5410 Maryland Way Ste 300,
Brentwood, TN 37027-5339

Ph: (207) 831-8954
Aaron Charniak, MD
9901 Medical Center Dr,
Rockville, MD 20850

Ph: (240) 826-6000

Reviews and Comments


Hospitalist Doctors in Rockville, MD

Dr. Neeraj Chopra, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 10110 Molecular Dr Ste 101, Rockville, MD 20850
Phone: 301-444-4402    
Dr. Suresh Malik, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 50 W Edmonston Dr Ste 404, Rockville, MD 20852
Phone: 301-762-3721    Fax: 833-989-2090
Dr. Belay Woldegiorgis Atnafu, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 9901 Medical Center Dr, Rockville, MD 20850
Phone: 240-826-5710    
Dr. Jung-min Lee, M.D.
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 10 Center Drive, Bldg10, Room12n226, Rockville, MD 20814
Phone: 301-443-7735    
Dr. Vitaly A Stepensky, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 726 Rockville Pike, Rockville, MD 20852
Phone: 240-238-0411    
Dr. Summit Gupta, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 137 Bullard Cir, Rockville, MD 20850
Phone: 290-321-9575    

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.