George Mark Shannan
- Medicare patients, 2024
- 84
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1005 Falls Pkwy, Marble Falls, TX 78654
- Practice phone
- Call (512) 444-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Austin Health Imaging
Marble Falls, Texas
Find George Shannan'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.
George Mark Shannan is a chiropractor in Marble Falls, Texas
George Shannan practices at South Austin Health Imaging in Marble Falls, Texas.
George Shannan's NPI, 1548374127, was assigned on August 19, 2006. George Shannan holds Texas license 7335.
- NPI
- 1548374127NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335300284
- NPI enumeration date
- August 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 444-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
George Mark Shannan practices at South Austin Health Imaging in Marble Falls, Texas
George Shannan's primary practice is South Austin Health Imaging, at 1005 Falls Pkwy, Marble Falls, TX 78654 in Burnet County. The practice phone is (512) 444-8900.
- South Austin Health Imaging1005 Falls Pkwy, Marble Falls, TX 78654 · Burnet CountyPhone(512) 444-8900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
George Mark Shannan is affiliated with 3 sites of care
George Shannan's primary practice is South Austin Health Imaging in Marble Falls, Texas. Dmand AI also links George Shannan to 1 physician office and 1 imaging center, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at George Mark Shannan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where George Shannan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Austin Health Imaging | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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George Mark Shannan is one of 2,874 chiropractors in Texas
Chiropractor is George Shannan's primary specialty in the NPI Registry, under taxonomy code 111N00000X. George Shannan is licensed in Texas.
Specialties and state licenses
- Chiropractor, TexasPrimary
Chiropractors near George Shannan
Counts of chiropractors 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
George Mark Shannan treated 84 Medicare patients in 2024, average age 73
CMS counts 84 Medicare patients who saw George Shannan in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts George Shannan's median patient age at 73, with 51% women.
George Shannan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
George Shannan's Medicare patients by sex, 2024
- Women4351%
- Men4149%
Chronic conditions among George Shannan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure60%
- Arthritis49%
- Ischemic heart disease25%
- Osteoporosis17%
Share of Medicare patients with each condition. A patient can have several.
George Shannan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How George Mark Shannan takes part in Medicare
George Shannan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for George Mark Shannan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 George Mark Shannan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is George Mark Shannan's NPI number?
George Mark Shannan's NPI number is 1548374127. It was assigned on August 19, 2006, and it is active in the NPI Registry.
What does George Mark Shannan specialize in?
George Mark Shannan is a chiropractor in Marble Falls, Texas. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does George Mark Shannan practice?
George Shannan practices at 1005 Falls Pkwy, Marble Falls, TX 78654. George Shannan's primary practice is South Austin Health Imaging in Marble Falls, Texas. Dmand AI also links George Shannan to 1 physician office and 1 imaging center.
What is George Mark Shannan's office phone number?
The practice phone on file for George Shannan is (512) 444-8900.
What is George Mark Shannan's medical license number?
George Shannan holds Texas license 7335.
Does George Mark Shannan accept Medicare?
Yes. CMS lists George Shannan as accepting Medicare assignment.
How many Medicare patients does George Mark Shannan see?
CMS counts 84 Medicare patients who saw George Shannan in 2024, with an average age of 73.
How long has George Mark Shannan been practicing?
George Shannan graduated from medical school in 1997, 29 years ago.
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