Dr Mark William Jennings, MD - Medicare Anesthesiology in Boston, MA

Dr Mark William Jennings, MD is a medicare enrolled "Anesthesiology" physician in Boston, Massachusetts. He went to Eastern Virginia Medical School and graduated in 2015 and has 9 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Jjm Medical Services Pc and his current practice location is 133 Seaport Blvd Unit 1819, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (607) 426-8112.

Dr Mark William Jennings is licensed to practice in Massachusetts (license number 290324) 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 1396124988.

Contact Information

Dr Mark William Jennings, MD
133 Seaport Blvd Unit 1819,
Boston, MA 02210-2674
(607) 426-8112
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark William Jennings
GenderMale
SpecialityAnesthesiology
Experience9 Years
Location133 Seaport Blvd Unit 1819, Boston, Massachusetts
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 Mark William Jennings attended and graduated from Eastern Virginia Medical School in 2015
  NPI Data:
  • NPI Number: 1396124988
  • Provider Enumeration Date: 05/28/2015
  • Last Update Date: 01/03/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6002143658
  • Enrollment ID: I20220129000005

Medical Identifiers

Medical identifiers for Dr Mark William Jennings such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396124988NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 20085 (Hawaii)Secondary
207L00000XAnesthesiology 290324 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Jjm Medical Services Pc680095031253

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 Mark William Jennings allows following entities to bill medicare on his behalf.
Entity NameJjm Medical Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952548265
PECOS PAC ID: 6800950312
Enrollment ID: O20090128000435
Entity NameNorth Shore Ambulatory Anesthesia Partners Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821535378
PECOS PAC ID: 7416233234
Enrollment ID: O20170411000316

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 Mark William Jennings 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 Mark William Jennings, MD
133 Seaport Blvd Unit 1819,
Boston, MA 02210-2674

Ph: () -
Dr Mark William Jennings, MD
133 Seaport Blvd Unit 1819,
Boston, MA 02210-2674

Ph: (607) 426-8112

Reviews and Comments


Anesthesiology Doctors in Boston, MA

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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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