Dr Ernest H Sponzilli, MD - Medicare Physical Medicine And Rehabilitation in Larkspur, CA

Dr Ernest H Sponzilli, MD is a medicare enrolled "Physical Medicine & Rehabilitation" physician in Larkspur, California. He went to Albany Medical College Of Union University and graduated in 1992 and has 32 years of diverse experience with area of expertise as Physical Medicine And Rehabilitation. He is a member of the group practice Regents Univ Of California Ucsf and his current practice location is 2 Bon Air Rd, Suite 120, Larkspur, California. You can reach out to his office (for appointments etc.) via phone at (415) 925-8200.

Dr Ernest H Sponzilli is licensed to practice in California (license number G78425) 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 1497709984.

Contact Information

Dr Ernest H Sponzilli, MD
2 Bon Air Rd, Suite 120,
Larkspur, CA 94939-1141
(415) 925-8200
(415) 464-5480

Map and Direction




Physician's Profile

Full NameDr Ernest H Sponzilli
GenderMale
SpecialityPhysical Medicine And Rehabilitation
Experience32 Years
Location2 Bon Air Rd, Suite 120, Larkspur, 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 Ernest H Sponzilli attended and graduated from Albany Medical College Of Union University in 1992
  NPI Data:
  • NPI Number: 1497709984
  • Provider Enumeration Date: 05/20/2006
  • Last Update Date: 11/21/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6103998422
  • Enrollment ID: I20080702000149

Medical Identifiers

Medical identifiers for Dr Ernest H Sponzilli such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497709984NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery G78425 (California)Secondary
208100000XPhysical Medicine & Rehabilitation G78425 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Novato Community HospitalNovato, CAHospital
Marinhealth Medical CenterGreenbrae, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Regents Univ Of California Ucsf6305160300216

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 Ernest H Sponzilli allows following entities to bill medicare on his behalf.
Entity NameCalifornia Orthopedics & Spine Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497701767
PECOS PAC ID: 7517859630
Enrollment ID: O20040325000623
Entity NameRegents Univ Of California Ucsf
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124439807
PECOS PAC ID: 6305160300
Enrollment ID: O20150122001375

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 Ernest H Sponzilli 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 Ernest H Sponzilli, MD
2 Bon Air Rd, Suite 120,
Larkspur, CA 94939-1141

Ph: (415) 925-8200
Dr Ernest H Sponzilli, MD
2 Bon Air Rd, Suite 120,
Larkspur, CA 94939-1141

Ph: (415) 925-8200

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Larkspur, CA


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.