Sonja Demara Cahoon, CNM - Medicare Advanced Practice Midwife in Hayward, CA

Sonja Demara Cahoon, CNM is a medicare enrolled "Advanced Practice Midwife" in Hayward, California. Her current practice location is 27287 Patrick Ave, Hayward, California. You can reach out to her office (for appointments etc.) via phone at (408) 795-3600.

Sonja Demara Cahoon is licensed to practice in * (Not Available) (license number ) 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 1902104250.

Contact Information

Sonja Demara Cahoon, CNM
27287 Patrick Ave,
Hayward, CA 94544-4405
(408) 795-3600
(408) 287-0405

Map and Direction




Provider's Profile

Full NameSonja Demara Cahoon
GenderFemale
SpecialityAdvanced Practice Midwife
Location27287 Patrick Ave, Hayward, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1902104250
  • Provider Enumeration Date: 03/10/2011
  • Last Update Date: 01/03/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0143482539
  • Enrollment ID: I20120501000496

Medical Identifiers

Medical identifiers for Sonja Demara Cahoon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902104250NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner NM1935 (California)Secondary
367A00000XAdvanced Practice Midwife (* (Not Available))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. Sonja Demara Cahoon allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Sonja Demara Cahoon 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
Sonja Demara Cahoon, CNM
1691 The Alameda,
San Jose, CA 95126-2203

Ph: (408) 795-3600
Sonja Demara Cahoon, CNM
27287 Patrick Ave,
Hayward, CA 94544-4405

Ph: (408) 795-3600

Reviews and Comments


Advanced Practice Midwife Nurses in Hayward, CA

Kathleen Grant Curry-sparks, RN, CNM
Advanced Practice Midwife
Medicare: Accepting Medicare Assignments
Practice Location: 1866 B St, Hayward, CA 94541
Phone: 510-733-1819    
Julia Fries, CNM, WHNP
Advanced Practice Midwife
Medicare: Medicare Enrolled
Practice Location: 22331 Mission Blvd, Hayward, CA 94541
Phone: 646-644-3372    

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.