Gaia Mohr-tonachini, MMSC - Medicare Physician Assistant in Walnut Creek, CA

Gaia Mohr-tonachini, MMSC is a medicare enrolled "Physician Assistant" in Walnut Creek, California. She graduated from nursing school in 2022 and has 4 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Rehabilitation Associates Inc, Yale University and her current practice location is 323 Lennon Ln, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (925) 430-5335.

Gaia Mohr-tonachini is licensed to practice in California (license number PA67404) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1407542442.

Contact Information

Gaia Mohr-tonachini, MMSC
323 Lennon Ln,
Walnut Creek, CA 94598-2497
(925) 430-5335
(925) 430-5446

Map and Direction




Provider's Profile

Full NameGaia Mohr-tonachini
GenderFemale
SpecialityPhysician Assistant
Experience4 Years
Location323 Lennon Ln, Walnut Creek, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gaia Mohr-tonachini graduated from nursing school in 2022
  NPI Data:
  • NPI Number: 1407542442
  • Provider Enumeration Date: 04/13/2023
  • Last Update Date: 03/04/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1951763853
  • Enrollment ID: I20230809001703

Medical Identifiers

Medical identifiers for Gaia Mohr-tonachini such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407542442NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant PA67404 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Yale-new Haven HospitalNew haven, CTHospital
Bridgeport HospitalBridgeport, CTHospital
Lawrence & Memorial HospitalNew london, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rehabilitation Associates Inc8022905322379
Yale University94360617362389

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. Gaia Mohr-tonachini 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
Gaia Mohr-tonachini, MMSC
323 Lennon Ln,
Walnut Creek, CA 94598-2497

Ph: (925) 430-5335
Gaia Mohr-tonachini, MMSC
323 Lennon Ln,
Walnut Creek, CA 94598-2497

Ph: (925) 430-5335

Reviews and Comments


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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.