Dr William Henry Johnson, MD, - Medicare in Frederick, MD

Dr William Henry Johnson, MD, is a medicare enrolled "Internal Medicine - Nephrology" physician in Frederick, Maryland. His current practice location is 140 Thomas Johnson Dr, Suite 202, Frederick, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 694-7788.

Dr William Henry Johnson is licensed to practice in Maryland (license number D0047556) 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 1134118326.

Contact Information

Dr William Henry Johnson, MD,
140 Thomas Johnson Dr, Suite 202,
Frederick, MD 21702-4402
(301) 694-7788
(301) 694-3184

Map and Direction




Physician's Profile

Full NameDr William Henry Johnson
GenderMale
Speciality
Experience Years
Location140 Thomas Johnson Dr, Frederick, 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:
  • Dr William Henry Johnson attended and graduated from in
  NPI Data:
  • NPI Number: 1134118326
  • Provider Enumeration Date: 10/19/2005
  • Last Update Date: 02/25/2008
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr William Henry Johnson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134118326NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology D0047556 (Maryland)Primary

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 William Henry Johnson 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 William Henry Johnson, MD,
140 Thomas Johnson Dr, Suite 202,
Frederick, MD 21702-4402

Ph: (301) 694-7788
Dr William Henry Johnson, MD,
140 Thomas Johnson Dr, Suite 202,
Frederick, MD 21702-4402

Ph: (301) 694-7788

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).

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