Dr Grace Gia-ling Wong Casserly, MD - Medicare Internal Medicine in Halethorpe, MD

Dr Grace Gia-ling Wong Casserly, MD is a medicare enrolled "Internal Medicine" physician in Halethorpe, Maryland. She went to University Of Southern California Keck School Of Medicine and graduated in 2014 and has 10 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Montage Medical Group and her current practice location is 1701 Twin Springs Rd, Halethorpe, Maryland. You can reach out to her office (for appointments etc.) via phone at (410) 737-5000.

Dr Grace Gia-ling Wong Casserly is licensed to practice in Maryland (license number D0083021) 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 1154735587.

Contact Information

Dr Grace Gia-ling Wong Casserly, MD
1701 Twin Springs Rd,
Halethorpe, MD 21227
(410) 737-5000
Not Available

Map and Direction




Physician's Profile

Full NameDr Grace Gia-ling Wong Casserly
GenderFemale
SpecialityInternal Medicine
Experience10 Years
Location1701 Twin Springs Rd, Halethorpe, 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 Grace Gia-ling Wong Casserly attended and graduated from University Of Southern California Keck School Of Medicine in 2014
  NPI Data:
  • NPI Number: 1154735587
  • Provider Enumeration Date: 06/13/2014
  • Last Update Date: 08/21/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 1951527019
  • Enrollment ID: I20200827000209

Medical Identifiers

Medical identifiers for Dr Grace Gia-ling Wong Casserly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154735587NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine D0083021 (Maryland)Primary
207R00000XInternal Medicine A169212 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Choice Home Health CareMonterey, CAHome health agency
Community Hospital Of The Monterey PeninsulaMonterey, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Montage Medical Group6406901941103

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 Grace Gia-ling Wong Casserly allows following entities to bill medicare on her behalf.
Entity NameMontage Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770710709
PECOS PAC ID: 6406901941
Enrollment ID: O20090904000027

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 Grace Gia-ling Wong Casserly 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 Grace Gia-ling Wong Casserly, MD
2 Upper Ragsdale Dr Bldg A,
Monterey, CA 93940-5736

Ph: (831) 333-3040
Dr Grace Gia-ling Wong Casserly, MD
1701 Twin Springs Rd,
Halethorpe, MD 21227

Ph: (410) 737-5000

Reviews and Comments


Internal Medicine Doctors in Halethorpe, MD

Dr. Mark Allan Walker, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1701 Twin Springs Rd, Kaiser Permanente South Baltimore County Medical Center, Halethorpe, MD 21227
Phone: 410-737-5540    Fax: 410-737-5531
Adeel Khalid Choudhary,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1701 Twin Springs Rd, Halethorpe, MD 21227
Phone: 410-737-5000    
Leopoldine Modjo Kenmogne, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1701 Twin Springs Rd, Halethorpe, MD 21227
Phone: 410-737-5000    
May Alattar, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1701 Twin Springs Rd, Halethorpe, MD 21227
Phone: 410-737-5000    
Mr. Emil G Thattassery, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1701 Twin Springs Road, Halethorpe, MD 21227
Phone: 410-737-5260    Fax: 410-737-5265
Dr. Tisha Barnett, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1701 Twin Springs Rd, Halethorpe, MD 21227
Phone: 410-737-5660    

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.