Leonard A Mermel, DO - Medicare Internal Medicine in Providence, RI

  1. Home
  2. Infectious Disease
  3. RI
  4. Providence
Leonard A Mermel, DO is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Providence, Rhode Island. His current practice location is 110 Lockwood St, Suite 116, Providence, Rhode Island. You can reach out to his office (for appointments etc.) via phone at (401) 793-2985.

Leonard A Mermel is licensed to practice in Rhode Island (license number DO00410) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1225078421.

Contact Information

Leonard A Mermel, DO
110 Lockwood St, Suite 116,
Providence, RI 02903-4801
(401) 793-2985
(401) 793-4351

Map and Direction




Physician's Profile

Full NameLeonard A Mermel
GenderMale
SpecialityInternal Medicine - Infectious Disease
Location110 Lockwood St, Providence, Rhode Island
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225078421
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 06/07/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 8123913951
  • Enrollment ID: I20040614001198

Medical Identifiers

Medical identifiers for Leonard A Mermel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225078421NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease DO00410 (Rhode Island)Primary

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. Leonard A Mermel allows following entities to bill medicare on his behalf.
Entity NameBrown Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689626764
PECOS PAC ID: 0446159776
Enrollment ID: O20040219000354

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. Leonard A Mermel 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
Leonard A Mermel, DO
17 Virginia Ave, Suite 107,
Providence, RI 02905-4406

Ph: () -		Leonard A Mermel, DO
110 Lockwood St, Suite 116,
Providence, RI 02903-4801

Ph: (401) 793-2985

Reviews and Comments


Internal Medicine Doctors in Providence, RI

Christopher Donald Palmer, DO
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 101 Dudley St, Providence, RI 02905
Phone: 401-274-1122    Fax: 401-453-7597
Martha Catherine Trimbur, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 245 Chapman St Ste 300, Providence, RI 02905
Phone: 401-444-4741    Fax: 401-444-4445
Karl Herman, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Fain Bldg., Providence, RI 02906
Phone: 401-793-4489    Fax: 401-793-4047
Muhammad Baig, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Fain Bldg, Providence, RI 02906
Phone: 401-793-4489    Fax: 401-793-4047
Gary M Katzman, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 208 Collyer Street, Suite 100, Providence, RI 02904
Phone: 401-793-7191    Fax: 401-793-7200
Thomas Fairweather Crain, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Providence, RI 02906
Phone: 401-793-4630    
James Atkinson, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Providence, RI 02906
Phone: 401-793-4500    

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.