Evolution, MolecularMammalsPolymorphism, Genetic
Dr. Thomas S. Layman, MD
NPI1417917212PAC ID9931382785
- Medicare services, 2024
- 1,200
- Medicare patients, 2024
- 497
- Part D claims, 2024
- 2,849
- Publications
- 7
- MIPS score, 2024
- 29
- Practice address
- 105 North Meadows Drive, Athens, TN 37303
- Practice phone
- Call (423) 649-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Surgery Center of Athens
Surgery Center - Medicare-Certified · Athens, Tennessee
Find Dr. Layman's professional email, personal email and mobile number
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Dr. Thomas S. Layman is a general surgeon in Athens, Tennessee
Dr. Layman practices at The Surgery Center of Athens in Athens, Tennessee.
Dr. Layman's NPI, 1417917212, was assigned on March 24, 2006. Dr. Layman graduated from University of Tennessee, Hsc, College of Medicine in 1989. Dr. Layman holds Tennessee license MD21415.
NPI and contact details
- NPI
- 1417917212NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931382785
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 649-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas S. Layman practices at The Surgery Center of Athens in Athens, Tennessee
Dr. Layman's primary practice is The Surgery Center of Athens, at 105 North Meadows Drive, Athens, TN 37303. The practice phone is (423) 649-3300.
- The Surgery Center of Athens105 North Meadows Drive, Athens, TN 37303Phone(423) 649-3300
Source: Dmand AI Affiliation Data
Dr. Thomas S. Layman is affiliated with 5 sites of care and 2 medical groups
Dr. Layman's primary practice is The Surgery Center of Athens in Athens, Tennessee. Dr. Layman is also affiliated with Starr Regional Medical Center. The medical group on file is Sweetwater Physicians Group. Dmand AI also links Dr. Layman to 1 more hospital, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
The Surgery Center of AthensPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas S. Layman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Layman practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Surgery Center of Athens | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas S. Layman is one of 548 general surgeons in Tennessee
Surgery is Dr. Layman's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Layman is licensed in Tennessee.
Specialties and state licenses
- Surgery, TennesseePrimary
General surgeons near Dr. Layman
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
548general surgeons in Tennessee
5general surgeons in Athens
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas S. Layman billed Medicare for 1,200 services in 2024
CMS data shows 1,200 Medicare services from Dr. Layman across 17 procedure codes in 2024, for 497 Medicare patients. Medicare paid $97,307 for them.
Medicare services, 20241,200
Medicare patients497
Paid by Medicare$97,307
Procedure codes17
Dr. Layman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9882024: 89410%
- Surgery
- 2023: 4032024: 25237%
- Other services
- 2023: 682024: 5421%
Where Dr. Layman's Medicare services took place, 2024
- In an office94279%
- In a facility25822%
Dr. Layman compared with the Tennessee median for general surgeons, 2024
- Dr. Layman
- Tennessee median
- Medicare services
- 1,200vs 1746.9 times
- Medicare patients
- 497vs 1224.1 times
- Part D claims
- 2,505vs 5248.2 times
Medians across 548 general surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Layman's 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. Layman and other general surgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas S. Layman treated 497 Medicare patients in 2024, average age 74
CMS counts 497 Medicare patients who saw Dr. Layman in 2024. The largest group is 65 to 74, with 200 patients. 75% of them have high blood pressure, and 66% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Layman's median patient age at 65, with 51% women.
Medicare patients, 2024497
Average age74
Average risk score1.15
Also on Medicaid13%
Dr. Layman's Medicare patients by age, 2024
Dr. Layman's Medicare patients by sex, 2024
- Women27856%
- Men21944%
Chronic conditions among Dr. Layman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol66%
- Arthritis47%
- Diabetes35%
- Anxiety28%
- Ischemic heart disease28%
- Chronic kidney disease24%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Layman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas S. Layman wrote 2,849 Medicare Part D claims in 2024
In 2024, Dr. Layman wrote 2,849 Medicare Part D claims for 541 patients. 94% of them were for generic drugs. CMS names the drug for 2,505 of them, across 57 drugs with 11 or more claims each, at $75,232 in total drug cost. In 2023, CMS named 2,569 claims across 58 drugs.
Part D claims, 20242,849
Drugs named by CMS57
Total drug cost$75,232
Part D patients541
Dr. Layman's Part D claims by kind of drug, 2024
- Generic2,683 claims94%
- Brand-name and other166 claims6%
Dr. Layman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Layman's Part D claims, 2024
- Opioids9%252 of 2,849 claims
- Antibiotics11%317 of 2,849 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,5692024: 2,5052%
Drugs named by CMS: 57 in 2024, 58 in 2023.
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
Dr. Thomas S. Layman scored 29 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 29 out of 100 for Dr. Layman for performance year 2024, reported individually. Dr. Layman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 366 procedures of colonoscopy by Dr. Layman, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Layman's MIPS scores, performance year 2024
- 29of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 96of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Layman ranks in Medicare procedure volume
- Colonoscopy
- 98th percentile366 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 92nd percentile226 procedures
- Melanoma (skin cancer) excision
- 90th percentile71 procedures
- Hernia repair - groin (open)
- 98th percentile28 procedures
- Mastectomy
- 73rd percentile16 procedures
- Removal of tissue
- 64th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas S. Layman has 7 publications on record
Dmand AI links 7 papers to Dr. Layman, published from 2017 to 2022. 2019 was the busiest year, with 2. The most frequent topics are DNA Methylation, Evolution, Molecular and Sparrows.
Papers7
Years published2017 to 2022
Dr. Layman's papers by year, 2017 to 2022
Topics Dr. Layman writes about most
- DNA Methylation
- Evolution, Molecular
- Sparrows
- Epigenesis, Genetic
- Mammals
- Recombination, Genetic
- Sex Chromosomes
Recent publications by Dr. Layman
BrainDNA MethylationEpigenesis, Genetic
ChickensDosage Compensation, GeneticEpigenesis, Genetic
See who Dr. Layman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Layman works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas S. Layman received $384 in industry payments from 2016 to 2025
CMS Open Payments shows 21 general payments to Dr. Layman from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. MIMEDX Group, Inc. paid the most, $39.
General payments to Dr. Layman by program year, 2016 to 2025
Companies that paid Dr. Layman 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. Thomas S. Layman graduated from University of Tennessee, Hsc, College of Medicine
Dr. Layman graduated from University of Tennessee, Hsc, College of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas S. Layman'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 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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (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 |
| 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. Thomas S. Layman
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. Thomas S. Layman's NPI number?
Dr. Thomas S. Layman's NPI number is 1417917212. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas S. Layman?
Dr. Thomas S. Layman is a general surgeon in Athens, Tennessee. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas S. Layman practice?
Dr. Layman practices at 105 North Meadows Drive, Athens, TN 37303. Dr. Layman's primary practice is The Surgery Center of Athens in Athens, Tennessee. Dmand AI also links Dr. Layman to 1 hospital, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Thomas S. Layman's office phone number?
The practice phone on file for Dr. Layman is (423) 649-3300.
What is Dr. Thomas S. Layman's medical license number?
Dr. Layman holds Tennessee license MD21415.
Which hospitals is Dr. Thomas S. Layman affiliated with?
Dr. Layman is affiliated with Starr Regional Medical Center. Dmand AI links Dr. Layman to 1 more hospital.
What medical group is Dr. Thomas S. Layman part of?
Dr. Layman is linked to Sweetwater Physicians Group. Dmand AI links Dr. Layman to 1 more medical group.
Does Dr. Thomas S. Layman accept Medicare?
Yes. CMS data shows Dr. Layman billed Medicare for 1,200 services in 2024, and Dr. Layman accepts Medicare assignment.
What is Dr. Thomas S. Layman's MIPS score?
Dr. Layman's MIPS final score for performance year 2024 is 29 out of 100, reported individually.
How many Medicare patients does Dr. Thomas S. Layman see?
CMS counts 497 Medicare patients who saw Dr. Layman in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. Thomas S. Layman bill to Medicare?
In 2024, Dr. Layman's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and office visit, established patient (99214).
Where did Dr. Thomas S. Layman go to medical school?
Dr. Layman graduated from University of Tennessee, Hsc, College of Medicine in 1989.
What drugs does Dr. Thomas S. Layman prescribe most?
In 2024 Medicare Part D data, Dr. Layman's most prescribed drugs by claims were Pantoprazole Sodium, Oxycodone-Acetaminophen and Alprazolam.
Has Dr. Thomas S. Layman received payments from drug or device companies?
CMS Open Payments shows $384 in general payments to Dr. Layman from 19 companies from 2016 to 2025. The largest total came from MIMEDX Group, Inc.
How long has Dr. Thomas S. Layman been practicing?
Dr. Layman graduated from medical school in 1989, 37 years ago.
Does Dr. Thomas S. Layman do research?
Dmand AI links 7 publications to Dr. Layman, published from 2017 to 2022.
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