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Dr. Charles Thornton Slack, MD
NPI1720038151PAC ID1557306339
- Medicare services, 2019
- 14
- Part D claims, 2024
- 19
- Clinical trials
- 1
- Industry payments
- $7,669
- Affiliated sites
- 2
- Practice address
- 8080 State Highway 121 Suite 100, Mckinney, TX 75070
- Practice phone
- Call (972) 521-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Texas Health Surgery Center Craig Ranch
Surgery Center - Medicare-Certified · Mckinney, Texas
Find Dr. Slack'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. Charles Thornton Slack is a plastic surgeon in Mckinney, Texas
Dr. Slack practices at Texas Health Surgery Center Craig Ranch in Mckinney, Texas.
Dr. Slack's NPI, 1720038151, was assigned on May 10, 2006. Dr. Slack graduated from UT Southwestern Medical Center in 1990. Dr. Slack's Texas license number on file is J0267.
NPI and contact details
- NPI
- 1720038151NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557306339
- NPI enumeration date
- May 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (972) 521-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles Thornton Slack practices at Texas Health Surgery Center Craig Ranch in Mckinney, Texas
Dr. Slack's primary practice is Texas Health Surgery Center Craig Ranch, at 8080 State Highway 121 Suite 100, Mckinney, TX 75070. The practice phone is (972) 521-5600.
- Texas Health Surgery Center Craig Ranch8080 State Highway 121 Suite 100, Mckinney, TX 75070Phone(972) 521-5600
Source: Dmand AI Affiliation Data
Dr. Charles Thornton Slack is affiliated with 2 sites of care
Dr. Slack's primary practice is Texas Health Surgery Center Craig Ranch in Mckinney, Texas. Dmand AI also links Dr. Slack to 1 therapy and rehab clinic, named with a free account.
Texas Health Surgery Center Craig RanchPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles Thornton Slack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Slack practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texas Health Surgery Center Craig Ranch | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles Thornton Slack is one of 319 plastic surgeons in Texas
Plastic surgery is Dr. Slack's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Slack is board certified in plastic surgery by the American Board of Plastic Surgery. Dmand AI has Dr. Slack's licenses on file in 2 states: Texas and District of Columbia.
Specialties and state licenses
- Plastic surgery, TexasPrimary
- District of Columbia license
Clinical focus
Dmand AI lists breast reconstruction among the conditions Dr. Slack treats.
Plastic surgeons near Dr. Slack
Counts of plastic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
319plastic surgeons in Texas
2plastic surgeons in Mckinney
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Charles Thornton Slack billed Medicare for 14 services in 2019
CMS data shows 14 Medicare services from Dr. Slack across 1 procedure code in 2019, all of them office visits. Medicare paid $910 for them. Every service was in an office.
Medicare services, 201914
Paid by Medicare$910
Procedure codes1
Dr. Slack compared with the Texas median for plastic surgeons, 2019
- Dr. Slack
- Texas median
- Medicare services
- 14vs 3155% below
- Part D claims
- 13vs 2854% below
Medians across 248 plastic surgeons in Texas with Dmand AI profiles that report each measure.
Dr. Slack's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Slack?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Slack and other plastic surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Thornton Slack's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Slack's median patient age at 52, with 90% women.
Dr. Slack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women90%
- Men7%
Source: Dmand AI Patient Panel Data
Dr. Charles Thornton Slack wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Slack wrote 19 Medicare Part D claims. 95% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $58 in total drug cost. In 2016, CMS named 12 claims across 1 drug.
Part D claims, 202419
Drugs named by CMS1
Total drug cost$58
Dr. Slack's Part D claims by kind of drug, 2024
- Generic18 claims95%
- Brand-name and other1 claims5%
Dr. Slack's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2019
- 2016
- 2019
- Claims for drugs CMS names
- 2016: 122019: 138%
Drugs named by CMS: 1 in 2019, 1 in 2016.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Charles Thornton Slack takes part in Medicare
Dr. Slack accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charles Thornton Slack has worked on 1 clinical trial
Dmand AI links Dr. Slack to 1 clinical trial. Open Payments lists research payments to Dr. Slack that name 1 trial.
Investigators on the most trials with Dr. Slack
Recent clinical trials with Dr. Slack
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Charles Thornton Slack received $7,669 in industry payments from 2016 to 2025
CMS Open Payments shows 89 general payments to Dr. Slack from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Allergan Inc. paid the most, $2,776. It also lists 1 research payment totaling $250 in 2020, naming 1 clinical trial.
General payments to Dr. Slack by program year, 2016 to 2025
General payments to Dr. Slack by kind, 2016 to 2025
$7.7Kin total
- Food and beverage$5,39070%
- Gifts$1,85424%
- Consulting fees$4256%
Companies that paid Dr. Slack the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles Thornton Slack graduated from UT Southwestern Medical Center
Dr. Slack graduated from UT Southwestern Medical Center in 1990. Dr. Slack is a member of ASPS.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Dr. Charles Thornton Slack accepts plans from 9 insurance carriers
Dr. Slack is in network with 9 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Humana
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +1 more carriersWith a free account
Plan types Dr. Slack accepts, by number of carriers
- PPO7
- HMO5
- POS5
- Medicare4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Charles Thornton Slack'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Charles Thornton Slack
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. Charles Thornton Slack's NPI number?
Dr. Charles Thornton Slack's NPI number is 1720038151. It was assigned on May 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Thornton Slack?
Dr. Charles Thornton Slack is a plastic surgeon in Mckinney, Texas. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Charles Thornton Slack practice?
Dr. Slack practices at 8080 State Highway 121 Suite 100, Mckinney, TX 75070. Dr. Slack's primary practice is Texas Health Surgery Center Craig Ranch in Mckinney, Texas. Dmand AI also links Dr. Slack to 1 therapy and rehab clinic.
What is Dr. Charles Thornton Slack's office phone number?
The practice phone on file for Dr. Slack is (972) 521-5600.
What is Dr. Charles Thornton Slack's medical license number?
Dr. Slack's Texas license number on file is J0267, one of the licenses on file in 2 states.
Which states has Dr. Charles Thornton Slack been licensed in?
Dmand AI has state licenses on file for Dr. Slack in Texas (1991 to 2025) and District of Columbia (1995 to 1998).
Does Dr. Charles Thornton Slack accept Medicare?
Yes. CMS data shows Dr. Slack billed Medicare for 14 services in 2019, and Dr. Slack accepts Medicare assignment.
Is Dr. Charles Thornton Slack board certified?
Yes. Dr. Slack is board certified in plastic surgery by the American Board of Plastic Surgery.
What services does Dr. Charles Thornton Slack bill to Medicare?
In 2019, Dr. Slack's most billed Medicare services were office visit, new patient (99203).
Where did Dr. Charles Thornton Slack go to medical school?
Dr. Slack graduated from UT Southwestern Medical Center in 1990.
Show 5 more questionsShow fewer questions
What drugs does Dr. Charles Thornton Slack prescribe most?
In 2019 Medicare Part D data, Dr. Slack's most prescribed drugs by claims were Cephalexin.
Has Dr. Charles Thornton Slack received payments from drug or device companies?
CMS Open Payments shows $7,669 in general payments to Dr. Slack from 16 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Charles Thornton Slack been practicing?
Dr. Slack graduated from medical school in 1990, 36 years ago.
Does Dr. Charles Thornton Slack do research?
Dr. Slack has worked on 1 clinical trial.
What insurance does Dr. Charles Thornton Slack accept?
Dr. Slack is in network with 9 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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