John Gregory Duffy Md, Apc - Medicare Mental Health Clinic in Tustin, CA

John Gregory Duffy Md, Apc is a medicare enrolled mental health clinic (Psychiatry & Neurology - Psychiatry) in Tustin, California. The current practice location for John Gregory Duffy Md, Apc is 17821 E 17st, Suite 165, Tustin, California. For appointments, you can reach them via phone at (714) 669-3158. The mailing address for John Gregory Duffy Md, Apc is 17821 E 17st, Suite 165, Tustin, California and phone number is (714) 669-3158.

John Gregory Duffy Md, Apc is licensed to practice in California (license number A054948). The clinic also participates in the medicare program and its NPI number is 1093985137. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (714) 669-3158.

Contact Information

John Gregory Duffy Md, Apc
17821 E 17st
Suite 165
Tustin
CA 92780-2136
(714) 669-3158
(714) 669-3198

Map and Direction


Mental Health Clinic Profile

Full NameJohn Gregory Duffy Md, Apc
SpecialityPsychiatry & Neurology
Location17821 E 17st, Tustin, California
Authorized Official Name and PositionJohn Gregory Duffy (PRESIDENT)
Authorized Official Contact7146693198
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Gregory Duffy Md, Apc
17821 E 17st
Suite 165
Tustin
CA 92780-2136

Ph: (714) 669-3158
John Gregory Duffy Md, Apc
17821 E 17st
Suite 165
Tustin
CA 92780-2136

Ph: (714) 669-3158

NPI Details:

NPI Number1093985137
Provider Enumeration Date03/05/2008
Last Update Date03/11/2008

Medicare PECOS Information:

Medicare PECOS PAC ID3173588423
Medicare Enrollment IDO20041129000187

Medical Identifiers

Medical identifiers for John Gregory Duffy Md, Apc such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093985137NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry A054948 (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. John Gregory Duffy Md, Apc acts as a billing entity for following providers:
Provider NameJohn G Duffy
Provider TypePractitioner - Psychiatry
Provider IdentifiersNPI Number: 1255497251
PECOS PAC ID: 9537124888
Enrollment ID: I20041201000211

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.