Mark Sherman Chesnutt, MD - Medicare Pulmonary Disease in Portland, OR

Mark Sherman Chesnutt, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Portland, Oregon. He went to Oregon Health Sciences University School Of Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Oregon Health And Sciences University/university Medical Group and his current practice location is 3181 Sw Sam Jackson Park Rd, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 494-7660.

Mark Sherman Chesnutt is licensed to practice in Oregon (license number MD20100) 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 1891892667.

Contact Information

Mark Sherman Chesnutt, MD
3181 Sw Sam Jackson Park Rd,
Portland, OR 97239-3011
(503) 494-7660
Not Available

Map and Direction




Physician's Profile

Full NameMark Sherman Chesnutt
GenderMale
SpecialityPulmonary Disease
Experience38 Years
Location3181 Sw Sam Jackson Park Rd, Portland, Oregon
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:
  • Mark Sherman Chesnutt attended and graduated from Oregon Health Sciences University School Of Medicine in 1986
  NPI Data:
  • NPI Number: 1891892667
  • Provider Enumeration Date: 09/20/2006
  • Last Update Date: 07/10/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5597651018
  • Enrollment ID: I20081030000726

Medical Identifiers

Medical identifiers for Mark Sherman Chesnutt such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891892667NPI-NPPES
082664MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine MD20100 (Oregon)Secondary
207RP1001XInternal Medicine - Pulmonary Disease MD20100 (Oregon)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Oregon Health And Sciences University/university Medical Group48807601071479

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. Mark Sherman Chesnutt allows following entities to bill medicare on his behalf.
Entity NameUniversity Professional Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376709535
PECOS PAC ID: 4880760107
Enrollment ID: O20080910000013

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. Mark Sherman Chesnutt 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
Mark Sherman Chesnutt, MD
3181 Sw Sam Jackson Park Rd,
Portland, OR 97239-3011

Ph: (503) 494-7660
Mark Sherman Chesnutt, MD
3181 Sw Sam Jackson Park Rd,
Portland, OR 97239-3011

Ph: (503) 494-7660

Reviews and Comments


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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.

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