DR. John Gregory Duffy MD
- Home
- /
- Doctors & Physicians
- /
- CA State
- /
- Tustin
- /
- DR. John Gregory Duffy MD
Recently Active NPIs
- Cindy Lam1881267011 NPI Number
- Talitha Jansen Van Rensburg1801460126 NPI Number
- Kathryn Marie Kory1316554256 NPI Number
- Ali Tareen1396109476 NPI Number
- Jenifer Foley1790322667 NPI Number
- Freylen Erna Lustria Nonato1457907115 NPI Number
- Henria Moore1578232526 NPI Number
- Lenissa Vilhena Barbosa1558030791 NPI Number
- Kaylee Marie Mitch1568131704 NPI Number
- Brady Saunders1528737764 NPI Number
- Vanessa Monique Salcedo1558030841 NPI Number
- Mya Boyd1598434045 NPI Number
Overview of DR. John Gregory Duffy MD
- NPI number: 1598434045
- Provider type: Individual
- Gender: Male
- Active since: 12/28/2006
- Last updated: 07/08/2007
Primary Scrop of Practice
- Taxonomy Code: 2084P0800X
- Specialty: Psychiatry
- License Number: A54948
- License State: CA
Provider Mailing Address
- Address: 17821 E. 17th StSuite 165Tustin, CA 92780
- Phone: 714-669-3158
- Fax: 714-669-3198
Provider Practice Location
- Address: 17821 E. 17th StSuite 165Tustin, CA 92780
- Phone: 714-669-3158
- Fax: 714-669-3198
Scope of Practice
- Taxonomy Code: 2084P0800X
- Specialty: Psychiatry
- License Number: A54948
- License State: CA
- Switch: Yes
Legacy Identifiers
- Provider Identifier: A54948
- Identifier Type: Other
- Identifier State: CA
- Issuer: MEDICAL LICENSE
Question & Answers
- Q: What is the npi number?
- A: An NPI is a 10-digit numeric identifier. It does not carry information about you, such as the State where you practice, your provider type, or your specialization. Your NPI will not change, even if your name, address, taxonomy, or other information changes.
- Q: What are health care provider taxonomy codes?
- A: The Health Care Provider (HCP) Taxonomy Codes Codes define a health care service provider type, classification, and area of specialization.
- Q: What is the npi number for DR. John Gregory Duffy MD?
- A: The npi number for DR. John Gregory Duffy MD is 1255497251.
- Q: What are DR. John Gregory Duffy MD's specialties?
- A: DR. John Gregory Duffy MD's specialties are Psychiatry and different specialities.
- Q: What is the medical license for DR. John Gregory Duffy MD?
- A: The medical license number for DR. John Gregory Duffy MD is A54948 and issued in CA in USA.
- Q: Where is DR. John Gregory Duffy MD practice location?
- A: DR. John Gregory Duffy MD is practicing at 17821 E. 17th St, Tustin, CA 92780.
- Q: How to contact DR. John Gregory Duffy MD?
- A: You can contact DR. John Gregory Duffy MD via 714-669-3158.