Dr. Dennis Todd Williams, MD
- Medicare services, 2024
- 86
- Medicare patients, 2024
- 220
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 120 E Harris Ave., San Angelo, TX 76903
- Practice phone
- Call (325) 653-6741
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Dennis Todd Williams is an anesthesiologist in San Angelo, Texas
Dr. Williams practices at Shannon Medical Center in San Angelo, Texas, part of Shannon Health System.
Dr. Williams' NPI, 1992864755, was assigned on December 7, 2006. Dr. Williams graduated from Baylor College Of Medicine in 1996. Dr. Williams' Texas license number on file is L7257.
- NPI
- 1992864755NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608821749
- NPI enumeration date
- December 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (325) 653-6741
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis Todd Williams practices at Shannon Medical Center in San Angelo, Texas
Dr. Williams' primary practice is Shannon Medical Center, at 120 E Harris Ave., San Angelo, TX 76903 in Tom Green County. The practice phone is (325) 653-6741.
- Shannon Medical Center120 E Harris Ave., San Angelo, TX 76903 · Tom Green CountyPhone(325) 653-6741
Source: Dmand AI Affiliation Data
Dr. Dennis Todd Williams is affiliated with 3 sites of care and 2 medical groups
Dr. Williams' primary practice is Shannon Medical Center in San Angelo, Texas, part of Shannon Health System. The medical group on file is Shannon Clinic. Dmand AI also links Dr. Williams to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dennis Todd Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shannon Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Shannon Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Dennis Todd Williams is one of 4,073 anesthesiologists in Texas
Anesthesiology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Williams is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Williams' licenses on file in 4 states: Texas, Colorado, Arizona and Oklahoma.
Specialties and state licenses
- Anesthesiology, TexasPrimary
- Colorado license
- Arizona license
- Oklahoma license
Anesthesiologists near Dr. Williams
Counts of anesthesiologists 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. Dennis Todd Williams billed Medicare for 86 services in 2024
CMS data shows 86 Medicare services from Dr. Williams across 5 procedure codes in 2024, for 220 Medicare patients. Medicare paid $8,327 for them.
Dr. Williams' Medicare services by type, 2024
- Anesthesia55
- Surgery31
Where Dr. Williams' Medicare services took place, 2024
- In an office1113%
- In a facility7587%
Dr. Williams compared with the Texas median for anesthesiologists, 2024
- Dr. Williams
- Texas median
- Medicare services
- 86vs 7121% above
- Medicare patients
- 220vs 13267% above
Medians across 3,710 anesthesiologists in Texas with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other anesthesiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Todd Williams treated 220 Medicare patients in 2024, average age 73
CMS counts 220 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 72, with 56% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women10950%
- Men11150%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease42%
- Diabetes35%
- Heart failure31%
- Chronic kidney disease30%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis Todd Williams scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 83of 100Final score
- 78.2of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 67of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Dennis Todd Williams graduated from Baylor College Of Medicine
Dr. Williams graduated from Baylor College Of Medicine in 1996.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Dennis Todd Williams accepts plans from 18 insurance carriers
Dr. Williams is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- +10 more carriersWith a free account
Plan types Dr. Williams accepts, by number of carriers
- PPO12
- HMO9
- Medicare7
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Dennis Todd Williams'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Dennis Todd Williams
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. Dennis Todd Williams' NPI number?
Dr. Dennis Todd Williams' NPI number is 1992864755. It was assigned on December 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Todd Williams?
Dr. Dennis Todd Williams is an anesthesiologist in San Angelo, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Dennis Todd Williams practice?
Dr. Williams practices at 120 E Harris Ave., San Angelo, TX 76903. Dr. Williams' primary practice is Shannon Medical Center in San Angelo, Texas, part of Shannon Health System. Dmand AI also links Dr. Williams to 2 group practices and clinics and 1 medical group.
What is Dr. Dennis Todd Williams' office phone number?
The practice phone on file for Dr. Williams is (325) 653-6741.
What is Dr. Dennis Todd Williams' medical license number?
Dr. Williams' Texas license number on file is L7257, one of the licenses on file in 4 states.
Which states has Dr. Dennis Todd Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Texas (2003 to 2025), Colorado (2025 to 2027), Arizona (1998 to 2026) and Oklahoma (2004 to 2023).
Which hospitals is Dr. Dennis Todd Williams affiliated with?
Dr. Williams practices at Shannon Medical Center in San Angelo, Texas.
What medical group is Dr. Dennis Todd Williams part of?
Dr. Williams is linked to Shannon Clinic. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. Dennis Todd Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 86 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. Dennis Todd Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Dennis Todd Williams see?
CMS counts 220 Medicare patients who saw Dr. Williams in 2024, with an average age of 73.
Is Dr. Dennis Todd Williams board certified?
Yes. Dr. Williams is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Dennis Todd Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were anesthesia (00811), anesthesia (00731) and surgery: heart and blood vessels (36620).
Where did Dr. Dennis Todd Williams go to medical school?
Dr. Williams graduated from Baylor College Of Medicine in 1996.
How long has Dr. Dennis Todd Williams been practicing?
Dr. Williams graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Dennis Todd Williams accept?
Dr. Williams is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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