Denise A Rettenmaier, DO - Medicare Internal Medicine in Yountville, CA

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Denise A Rettenmaier, DO is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Yountville, California. Her current practice location is 220 California Dr, C/o Medical Staff Office, Yountville, California. You can reach out to her office (for appointments etc.) via phone at (707) 944-4716.

Denise A Rettenmaier is licensed to practice in California (license number 20A6474) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1861468373.

Contact Information

Denise A Rettenmaier, DO
220 California Dr, C/o Medical Staff Office,
Yountville, CA 94599-1412
(707) 944-4716
(707) 944-5052

Map and Direction




Physician's Profile

Full NameDenise A Rettenmaier
GenderFemale
SpecialityInternal Medicine - Geriatric Medicine
Location220 California Dr, Yountville, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1861468373
  • Provider Enumeration Date: 02/24/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5496781437
  • Enrollment ID: I20050712000367

Medical Identifiers

Medical identifiers for Denise A Rettenmaier such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861468373NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0300XInternal Medicine - Geriatric Medicine 20A6474 (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. Denise A Rettenmaier allows following entities to bill medicare on her behalf.
Entity NameRegents Of The Univ Of Ca
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013906973
PECOS PAC ID: 3375456619
Enrollment ID: O20031111000892
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952998973
PECOS PAC ID: 8022922475
Enrollment ID: O20031118001149

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. Denise A Rettenmaier 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
Denise A Rettenmaier, DO
Po Box 942895,
Sacramento, CA 94295-0001

Ph: (916) 653-0080		Denise A Rettenmaier, DO
220 California Dr, C/o Medical Staff Office,
Yountville, CA 94599-1412

Ph: (707) 944-4716

Reviews and Comments


Internal Medicine Doctors in Yountville, CA

Dr. Robert P Albanese Jr., MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 220 California Dr, Yountville, CA 94599
Phone: 707-944-4660    Fax: 707-948-2547
Dr. Paul B. Chin, M.D.
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 220 California Dr, Yountville, CA 94599
Phone: 707-944-4716    
Monica Margarita Banchero-hasson, M.D.
Geriatric Medicine
Medicare: Medicare Enrolled
Practice Location: 220 California Dr, Yountville, CA 94599
Phone: 707-944-4716    Fax: 707-948-2530
Mrs. Lynda M. Nelson Swain, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 California Drive, Yountville, CA 94599
Phone: 707-944-4660    Fax: 707-944-5052
Edgar A. Calvelo, M.D.
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 220 California Dr, Yountville, CA 94599
Phone: 707-944-4716    Fax: 707-948-2530

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.