Dr Seymour Marcus Weaver Iii, MD - Medicare Dermatology in Oakland, CA

Dr Seymour Marcus Weaver Iii, MD is a medicare enrolled "Dermatology" physician in Oakland, California. He went to Baylor College Of Medicine and graduated in 1977 and has 48 years of diverse experience with area of expertise as Dermatology. He is a member of the group practice Gundersen Lutheran Medical Center Inc and his current practice location is 1411 E 31st St, Oakland, California. You can reach out to his office (for appointments etc.) via phone at (510) 437-4800.

Dr Seymour Marcus Weaver Iii is licensed to practice in California (license number C38690) 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 1225126956.

Contact Information

Dr Seymour Marcus Weaver Iii, MD
1411 E 31st St,
Oakland, CA 94602-1092
(510) 437-4800
Not Available

Map and Direction




Physician's Profile

Full NameDr Seymour Marcus Weaver Iii
GenderMale
SpecialityDermatology
Experience48 Years
Location1411 E 31st St, Oakland, California
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 Seymour Marcus Weaver Iii attended and graduated from Baylor College Of Medicine in 1977
  NPI Data:
  • NPI Number: 1225126956
  • Provider Enumeration Date: 10/10/2006
  • Last Update Date: 11/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3779572870
  • Enrollment ID: I20240628000245

Medical Identifiers

Medical identifiers for Dr Seymour Marcus Weaver Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225126956NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207N00000XDermatology 77612 (Wisconsin)Secondary
207N00000XDermatology C38690 (California)Primary
207N00000XDermatology F0346 (Texas)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Gundersen Lutheran Medical CenterLa crosse, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gundersen Lutheran Medical Center Inc2163331414793

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 Seymour Marcus Weaver Iii allows following entities to bill medicare on his behalf.
Entity NameGundersen Lutheran Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225873458
PECOS PAC ID: 2163331414
Enrollment ID: O20130619000254

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 Seymour Marcus Weaver Iii 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 Seymour Marcus Weaver Iii, MD
4801 Woodway Dr Ste 300e,
Houston, TX 77056-1888

Ph: () -
Dr Seymour Marcus Weaver Iii, MD
1411 E 31st St,
Oakland, CA 94602-1092

Ph: (510) 437-4800

Reviews and Comments


Dermatology Doctors in Oakland, CA

Ms. Linda Marie Beets-shay, MD
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Dr. Herbert Arthur Holman, MD
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Catherine A. Ramsay, MD
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Practice Location: 275 W Macarthur, Oakland, CA 94611
Phone: 510-752-1000    Fax: 559-435-5728
William G Littman, MD
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Medicare: Medicare Enrolled
Practice Location: 460 34th St, Oakland, CA 94609
Phone: 510-652-8091    Fax: 510-652-5156

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.