Gary D Johnson, MD - Medicare Neurology in Smithfield, RI

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Gary D Johnson, MD is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Smithfield, Rhode Island. He went to Perelman School Of Med At The University Of Pennsylvania and graduated in 1985 and has 41 years of diverse experience with area of expertise as Neurology. He is a member of the group practice Brown Neurology and his current practice location is 900 Douglas Pike, Smithfield, Rhode Island. You can reach out to his office (for appointments etc.) via phone at (401) 618-5507.

Gary D Johnson is licensed to practice in Rhode Island (license number MD08010) 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 1841226867.

Contact Information

Gary D Johnson, MD
900 Douglas Pike,
Smithfield, RI 02917-1879
(401) 618-5507
(866) 228-6713

Map and Direction




Physician's Profile

Full NameGary D Johnson
GenderMale
SpecialityNeurology
Experience41 Years
Location900 Douglas Pike, Smithfield, Rhode Island
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:
  • Gary D Johnson attended and graduated from Perelman School Of Med At The University Of Pennsylvania in 1985
  NPI Data:
  • NPI Number: 1841226867
  • Provider Enumeration Date: 06/23/2006
  • Last Update Date: 12/18/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6507990074
  • Enrollment ID: I20100819000368

Medical Identifiers

Medical identifiers for Gary D Johnson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841226867NPI-NPPES
1841226867MedicaidRI
110047410AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology MD08010 (Rhode Island)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rhode Island HospitalProvidence, RIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Brown Neurology216331286916

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. Gary D Johnson allows following entities to bill medicare on his behalf.
Entity NameBrown Neurology
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366486102
PECOS PAC ID: 2163312869
Enrollment ID: O20040317000511
Entity NameRhode Island Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154537520
PECOS PAC ID: 8921900044
Enrollment ID: O20141017000105

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. Gary D 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
Gary D Johnson, MD
15 La Salle Sq,
Providence, RI 02903-1814

Ph: (401) 444-6779		Gary D Johnson, MD
900 Douglas Pike,
Smithfield, RI 02917-1879

Ph: (401) 618-5507

Reviews and Comments


Psychiatry & Neurology Doctors in Smithfield, RI

Dr. Susan Diane Weinman, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 900 Douglas Pike, Smithfield, RI 02917
Phone: 401-618-5507    Fax: 401-444-3205
Roderick C Spears, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 900 Douglas Pike, Smithfield, RI 02917
Phone: 401-618-5507    Fax: 401-444-3205

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.