John L Ohman, MD - Allergy & Immunology in Boston, MA

John L Ohman, MD is a Allergy & Immunology physician based in Boston, Massachusetts. John L Ohman is licensed to practice in Massachusetts (license number 31138) and his current practice location is 750 Washington St, Nemc Box 30, Boston, Massachusetts. He can be reached at his office (for appointments etc.) via phone at (617) 636-5000.

NPI number for John L Ohman is 1083723324 and his current mailing address is 21 Maplecrest Drive, Southborough, Massachusetts. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1083723324.

Contact Information

John L Ohman, MD
750 Washington St, Nemc Box 30,
Boston, MA 02111-1526
(617) 636-5000
(617) 636-4843

Map and Direction




Physician's Profile

Full NameJohn L Ohman
GenderMale
SpecialityAllergy & Immunology
Location750 Washington St, Boston, Massachusetts
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1083723324
  • Provider Enumeration Date: 08/30/2006
  • Last Update Date: 12/07/2010

Medical Identifiers

Medical identifiers for John L Ohman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083723324NPI-NPPES
2015528MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology 31138 (Massachusetts)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. John L Ohman is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John L Ohman, MD
21 Maplecrest Drive,
Southborough, MA 01772

Ph: (508) 481-2594
John L Ohman, MD
750 Washington St, Nemc Box 30,
Boston, MA 02111-1526

Ph: (617) 636-5000

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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