Dr Heather Hollowell Davis, MD - Medicare Emergency Medicine in Largo, MD

Dr Heather Hollowell Davis, MD is a medicare enrolled "Emergency Medicine" physician in Largo, Maryland. She went to University Of Pittsburgh School Of Medicine and graduated in 2001 and has 23 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Kaiser Foundation Health Plan Of The Mid-atlantic States,inc and her current practice location is 1221 Mercantile Ln, Largo, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 938-3488.

Dr Heather Hollowell Davis is licensed to practice in Maryland (license number D0061131) 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 1477594059.

Contact Information

Dr Heather Hollowell Davis, MD
1221 Mercantile Ln,
Largo, MD 20774-5374
(301) 938-3488
Not Available

Map and Direction




Physician's Profile

Full NameDr Heather Hollowell Davis
GenderFemale
SpecialityEmergency Medicine
Experience23 Years
Location1221 Mercantile Ln, Largo, 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 Heather Hollowell Davis attended and graduated from University Of Pittsburgh School Of Medicine in 2001
  NPI Data:
  • NPI Number: 1477594059
  • Provider Enumeration Date: 06/08/2006
  • Last Update Date: 06/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9335117746
  • Enrollment ID: I20040923000341

Medical Identifiers

Medical identifiers for Dr Heather Hollowell Davis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477594059NPI-NPPES
405521700MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine D0061131 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kaiser Foundation Health Plan Of The Mid-atlantic States,inc37794958581673

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 Heather Hollowell Davis allows following entities to bill medicare on her behalf.
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States,inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952461816
PECOS PAC ID: 3779495858
Enrollment ID: O20040105000308

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 Heather Hollowell Davis 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 Heather Hollowell Davis, MD
1221 Mercantile Ln,
Largo, MD 20774-5374

Ph: (301) 938-3488
Dr Heather Hollowell Davis, MD
1221 Mercantile Ln,
Largo, MD 20774-5374

Ph: (301) 938-3488

Reviews and Comments


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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.