Gigi Thomas, MD
- Total HCPs
- 2
- Physicians (MD/DO)
- 1
- Nurses and PAs
- 1
- Parent org executives
- 5,272
- Practice locations
- 3
Find the right contacts among 5,272 executives and 2 HCPs
Professional emails, personal emails and mobile numbers for Gigi Thomas, MD's buying committee, with a free Dmand AI account.
Gigi Thomas, MD is a multi-specialty medical group with 3 practice locations in California
Gigi Thomas, MD is based in Brea, California, part of Hoag Memorial Hospital Presbyterian.
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; and Dmand AI Affiliation Data
Nguyen Hung is chief executive officer of Hoag Memorial Hospital Presbyterian
Dmand AI tracks 5,272 executives and staff leaders at Hoag Memorial Hospital Presbyterian. Waterfall enrichment finds their professional emails, personal emails and mobile numbers.
Executives by department
- Nursing1,780, names and contacts available with a free account
- Diagnostics471, names and contacts available with a free account
- Operations and administration286, names and contacts available with a free account
- Information technology229, names and contacts available with a free account
- Facilities, Engineering, Construction, Real Estate and Support Services190, names and contacts available with a free account
- Service lines and programs185, names and contacts available with a free account
Get emails and mobile numbers for all 5,272 executives and leaders
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Source: Dmand AI Executive Data
Gigi Thomas, MD's NPI is 1538223839 and its PAC ID is 5991729113
- Primary NPI (Type 2)
- 1538223839NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991729113
- Dmand ID
- NG-MGR-068537
- Medicare enrollment
- Enrolled (PAC ID on file)
- Main site address
- 417 S Associated Rd, Brea, CA 92683-3910
- Main phone
- (562) 805-9053
- Executive emails and mobiles
- Get contacts
- Group type
- Multi-specialty
- Core specialty
- Primary care
- Specialty areas
- 2
- Site structure
- Multi-site
- Ownership model
- Clinician owned
- Leadership
- Physician-led
- Medicare Part B payments
- $366,232
- Legal name
- Gigi Thomas MD
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Gigi Thomas, MD is part of Hoag Memorial Hospital Presbyterian
Dmand AI places Gigi Thomas, MD under Hoag Memorial Hospital Presbyterian, a health system.
- Hoag Memorial Hospital Presbyterian
- Gigi Thomas, MD
- 6 other medical groups
6 other medical groups are part of Hoag Memorial Hospital Presbyterian
Source: Dmand AI Org Hierarchy Data
Org hierarchy
See how Gigi Thomas, MD connects to Hoag Memorial Hospital Presbyterian: its parent organizations, sister groups and every site of care in between, with the HCPs and leaders at each one.
Gigi Thomas, MD has 1 physician among 2 HCPs
Gigi Thomas, MD physicians by specialty
- Physical medicine and rehabilitation1
Share of the group's 1 physicians.
Gigi Thomas, MD physicians
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Gigi Thomas, MD has 3 practice locations in California
Gigi Thomas, MD practice locations
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Full footprint
Open all 3 practice locations with facility phones, patient visits and the HCPs at each site.
Gigi Thomas, MD covers 2 specialty areas, led by primary care
Primary care is Gigi Thomas, MD's core specialty, and its HCPs practice 2 subspecialties in all.
- Primary careCore
- Rehabilitation and therapy
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks 2 EHR vendors at Gigi Thomas, MD
Vendor and product names for each practice location are available with a free account.
| Site | EHR vendor | Product |
|---|---|---|
| Main site | Available with a free account | Available with a free account |
| 2 other practice locations | Available with a free account | Available with a free account |
Source: Dmand AI Technology Install Data
Primary care groups in California similar in size to Gigi Thomas, MD
These primary care groups have the closest number of HCPs to Gigi Thomas, MD.
| Medical group | HCPs |
|---|---|
| 3 Musketeers Medical GroupFresno, CA | 5 |
| Advanced Family Care Medical GroupLos Angeles, CA | 5 |
| AllergyDoxBurbank, CA | 5 |
| Asian HealthlinkFremont, CA | 5 |
| Eagle Rock Medlink Group IncLos Angeles, CA | 5 |
Sources: Dmand AI Affiliation Data; and Dmand AI Peer Benchmarks
Sources for Gigi Thomas, MD data
| Data on this page | Source |
|---|---|
| NPI, PAC ID and address | NPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Dmand ID, phone, website, LinkedIn and group profile | Dmand AI Org Hierarchy DataDmand AI Organization Profile Data |
| Medicare Part B payments | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| Parent organizations and sister groups | Dmand AI Org Hierarchy Data |
| HCPs and physician specialties | NPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Specialty areas | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Practice locations and hospitals | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Executives and departments | Dmand AI Executive Data |
| EHR vendors | Dmand AI Technology Install Data |
| Similar groups | Dmand AI Affiliation DataDmand AI Peer Benchmarks |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gigi Thomas, MD
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gigi Thomas, MD's NPI number?
Gigi Thomas, MD's primary NPI (Type 2) is 1538223839.
What is Gigi Thomas, MD's PAC ID?
Gigi Thomas, MD's Medicare PAC ID is 5991729113, which means the group is enrolled in Medicare.
How many locations does Gigi Thomas, MD have?
Dmand AI links Gigi Thomas, MD to 3 practice locations in California. Its main site is at 417 S Associated Rd, Brea, CA 92683-3910.
What is Gigi Thomas, MD's phone number?
Gigi Thomas, MD's main phone number is (562) 805-9053.
Who owns Gigi Thomas, MD?
Dmand AI places Gigi Thomas, MD under Hoag Memorial Hospital Presbyterian, a health system.
How many physicians does Gigi Thomas, MD have?
Dmand AI links 1 physician and 2 HCPs in all to Gigi Thomas, MD.
What specialties does Gigi Thomas, MD cover?
Gigi Thomas, MD covers 2 specialty areas, led by primary care. The largest physician specialties are physical medicine and rehabilitation (1).
Who leads Gigi Thomas, MD?
Dmand AI lists Nguyen Hung as chief executive officer at Hoag Memorial Hospital Presbyterian.
How much does Gigi Thomas, MD receive from Medicare?
CMS data shows $366,232 in Medicare Part B payments to Gigi Thomas, MD.
What other medical groups are part of Hoag Memorial Hospital Presbyterian?
Hoag Memorial Hospital Presbyterian has 6 other medical groups in Dmand AI, including David T. Ahn, MD and Hoag Palliative Care Program.
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