Dr. Gary J. Thacker, MD
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1600 Eureka Road, Roseville, CA 95661
- Practice phone
- Call (916) 784-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thacker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gary J. Thacker is a hospitalist in Roseville, California
Dr. Thacker practices at Roseville Medical Center in Roseville, California, part of Kaiser Permanente.
Dr. Thacker's NPI, 1336227099, was assigned on November 1, 2006. Dr. Thacker graduated from UC San Diego School of Medicine in 1994. Dr. Thacker holds California license A54762.
- NPI
- 1336227099NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (916) 784-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gary J. Thacker practices at Roseville Medical Center in Roseville, California
Dr. Thacker's primary practice is Roseville Medical Center, at 1600 Eureka Road, Roseville, CA 95661 in Placer County. The practice phone is (916) 784-4000.
- Roseville Medical Center1600 Eureka Road, Roseville, CA 95661 · Placer CountyPhone(916) 784-4000
Source: Dmand AI Affiliation Data
Dr. Gary J. Thacker is affiliated with 1 site of care and 1 medical group
Dr. Thacker's primary practice is Roseville Medical Center in Roseville, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary J. Thacker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thacker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roseville Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gary J. Thacker is one of 3,186 hospitalists in California
Hospitalist is Dr. Thacker's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Thacker is board certified in internal medicine by the American Board of Internal Medicine. Dr. Thacker is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Thacker
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gary J. Thacker's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Thacker's median patient age at 74, with 58% women.
Dr. Thacker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Gary J. Thacker graduated from UC San Diego School of Medicine
Dr. Thacker graduated from UC San Diego School of Medicine in 1994.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gary J. Thacker accepts plans from 1 insurance carrier
Dr. Thacker is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Gary J. Thacker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gary J. Thacker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gary J. Thacker's NPI number?
Dr. Gary J. Thacker's NPI number is 1336227099. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary J. Thacker?
Dr. Gary J. Thacker is a hospitalist in Roseville, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Gary J. Thacker practice?
Dr. Thacker practices at 1600 Eureka Road, Roseville, CA 95661. Dr. Thacker's primary practice is Roseville Medical Center in Roseville, California, part of Kaiser Permanente.
What is Dr. Gary J. Thacker's office phone number?
The practice phone on file for Dr. Thacker is (916) 784-4000.
What is Dr. Gary J. Thacker's medical license number?
Dr. Thacker holds California license A54762.
Which hospitals is Dr. Gary J. Thacker affiliated with?
Dr. Thacker practices at Roseville Medical Center in Roseville, California.
What medical group is Dr. Gary J. Thacker part of?
Dr. Thacker is linked to The Permanente Medical Group, Inc.
Is Dr. Gary J. Thacker board certified?
Yes. Dr. Thacker is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Gary J. Thacker go to medical school?
Dr. Thacker graduated from UC San Diego School of Medicine in 1994.
How long has Dr. Gary J. Thacker been practicing?
Dr. Thacker graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Gary J. Thacker accept?
Dr. Thacker is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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