Dr Mark Gregory Ellis, MD - Medicare Pediatrics in Eureka, CA

Dr Mark Gregory Ellis, MD is a medicare enrolled "Pediatrics" physician in Eureka, California. His current practice location is 2200 Tydd St, Eureka, California. You can reach out to his office (for appointments etc.) via phone at (707) 269-7051.

Dr Mark Gregory Ellis is licensed to practice in California (license number G65432) 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 1003812744.

Contact Information

Dr Mark Gregory Ellis, MD
2200 Tydd St,
Eureka, CA 95501-1284
(707) 269-7051
(707) 269-7054

Map and Direction




Physician's Profile

Full NameDr Mark Gregory Ellis
GenderMale
SpecialityPediatrics
Location2200 Tydd St, Eureka, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1003812744
  • Provider Enumeration Date: 06/27/2005
  • Last Update Date: 03/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 1658565759
  • Enrollment ID: I20101103000094

Medical Identifiers

Medical identifiers for Dr Mark Gregory Ellis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003812744NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics G65432 (California)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. Dr Mark Gregory Ellis allows following entities to bill medicare on his behalf.
Entity NameOpen Door Community Health Centers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497840656
PECOS PAC ID: 9436067485
Enrollment ID: O20040414000890

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 Gregory Ellis 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 Gregory Ellis, MD
670 9th St Ste 203,
Arcata, CA 95521-6249

Ph: (707) 826-8633
Dr Mark Gregory Ellis, MD
2200 Tydd St,
Eureka, CA 95501-1284

Ph: (707) 269-7051

Reviews and Comments


Pediatrics Doctors in Eureka, CA

Dr. Pippa Elayne Coulter, MD, PHD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 2200 Tydd St, Eureka, CA 95501
Phone: 707-269-7051    Fax: 707-269-7054
Teresa Lynn Frankovich, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 2200 Tydd St, Eureka, CA 95501
Phone: 707-269-7051    Fax: 707-269-7054
Lorraine R Byrd, DO
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 2200 Tydd St, Eureka, CA 95501
Phone: 707-441-1624    Fax: 707-441-1253
Dr. John James Sullivan, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 525 2nd St, #300, Eureka, CA 95501
Phone: 707-445-0893    Fax: 707-444-2563
Laurie S Wirthlin, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 2800 Harris St, Eureka, CA 95503
Phone: 707-445-8416    Fax: 707-445-4182
Mrs. Emily Lambert Dalton, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 2800 Harris St, Eureka, CA 95503
Phone: 707-445-8416    Fax: 707-445-4182

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.