Marianne Clare Ries, MD - Medicare Anesthesiology in San Diego, CA

Marianne Clare Ries, MD is a medicare enrolled "Anesthesiology" physician in San Diego, California. Her current practice location is 3626 Ruffin Rd, San Diego, California. You can reach out to her office (for appointments etc.) via phone at (858) 565-9666.

Marianne Clare Ries is licensed to practice in Maryland (license number D51606) 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 1952357709.

Contact Information

Marianne Clare Ries, MD
3626 Ruffin Rd,
San Diego, CA 92123-1810
(858) 565-9666
(858) 565-9441

Map and Direction




Physician's Profile

Full NameMarianne Clare Ries
GenderFemale
SpecialityAnesthesiology
Location3626 Ruffin Rd, San Diego, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1952357709
  • Provider Enumeration Date: 05/25/2006
  • Last Update Date: 04/07/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 6901887884
  • Enrollment ID: I20040526001217

Medical Identifiers

Medical identifiers for Marianne Clare Ries such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1952357709NPI-NPPES
601285800OtherFECA
292900700MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology D51606 (Maryland)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. Marianne Clare Ries allows following entities to bill medicare on her behalf.
Entity NameFirst Colonies Anesthesia Associates, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740218767
PECOS PAC ID: 8426039744
Enrollment ID: O20040525000119

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. Marianne Clare Ries 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
Marianne Clare Ries, MD
3626 Ruffin Rd,
San Diego, CA 92123-1810

Ph: (858) 565-9666
Marianne Clare Ries, MD
3626 Ruffin Rd,
San Diego, CA 92123-1810

Ph: (858) 565-9666

Reviews and Comments


Anesthesiology Doctors in San Diego, CA

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Thomas J. Pietuch, M.D.
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Practice Location: 3626 Ruffin Rd, San Diego, CA 92123
Phone: 858-565-9666    Fax: 858-565-9441
Dr. Ching-rong Cheng, MD
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Phone: 619-543-5720    
Dr. Jeffrey Koji Sakihara, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3626 Ruffin Rd, San Diego, CA 92123
Phone: 858-565-9666    Fax: 858-565-9441

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.