AutoimmunityCD8-Positive T-LymphocytesDiabetes Mellitus, Type 1
Dr. Thomas Milton Kay, MD
NPI1619294592
- Medicare services, 2023
- 59
- Part D claims, 2024
- 196
- Publications
- 96
- Industry payments
- $4,378
- Insurance carriers
- 14
- Practice address
- 3221 Commercial Cir, New Braunfels, TX 78132
- Practice phone
- Call (713) 660-0555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Braunfels ER & Hospital
New Braunfels, Texas
Find Dr. Kay's professional email, personal email and mobile number
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Dr. Thomas Milton Kay is an emergency medicine physician in New Braunfels, Texas
Dr. Kay practices at New Braunfels ER & Hospital in New Braunfels, Texas.
Dr. Kay's NPI, 1619294592, was assigned on April 30, 2010. Dr. Kay graduated from Joe R. & Teresa Lozano Long School of Medicine in 1997. Dr. Kay's Texas license number on file is K5577.
NPI and contact details
- NPI
- 1619294592NPI Registry (opens in a new tab)
- NPI enumeration date
- April 30, 2010
- NPI status
- Active
- Practice phone
- (713) 660-0555
- 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; and Dmand AI Practice Data
Dr. Thomas Milton Kay practices at New Braunfels ER & Hospital in New Braunfels, Texas
Dr. Kay's primary practice is New Braunfels ER & Hospital, at 3221 Commercial Cir, New Braunfels, TX 78132 in Comal County. The practice phone is (713) 660-0555.
- New Braunfels ER & Hospital3221 Commercial Cir, New Braunfels, TX 78132 · Comal CountyPhone(713) 660-0555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas Milton Kay is affiliated with 1 site of care
Dr. Kay's primary practice is New Braunfels ER & Hospital in New Braunfels, Texas.
New Braunfels ER & HospitalPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Thomas Milton Kay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Braunfels ER & Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Milton Kay is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Kay's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Kay is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Kay's licenses on file in 2 states: Texas and Oklahoma.
Specialties and state licenses
- Emergency medicine, TexasPrimary
- Oklahoma license
Emergency medicine physicians near Dr. Kay
Counts of emergency medicine physicians 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. Thomas Milton Kay billed Medicare for 59 services in 2023
CMS data shows 59 Medicare services from Dr. Kay across 2 procedure codes in 2023. Medicare paid $6,765 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202359
Paid by Medicare$6,765
Procedure codes2
Dr. Kay's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1382023: 5957%
Dr. Kay compared with the Texas median for emergency medicine physicians, 2023
- Dr. Kay
- Texas median
- Medicare services
- 59vs 22574% below
- Part D claims
- 70vs 745% below
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Kay's most billed Medicare procedure codes, 2023
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. Kay?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kay and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Milton Kay's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Kay's median patient age at 47, with 59% women.
Dr. Kay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Thomas Milton Kay wrote 196 Medicare Part D claims in 2024
In 2024, Dr. Kay wrote 196 Medicare Part D claims for 31 patients. 94% of them were for generic drugs. CMS names the drug for 70 of them, across 4 drugs with 11 or more claims each, at $969 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Part D claims, 2024196
Drugs named by CMS4
Total drug cost$969
Part D patients31
Dr. Kay's Part D claims by kind of drug, 2024
- Generic185 claims94%
- Brand-name and other11 claims6%
Dr. Kay'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 162024: 70338%
Drugs named by CMS: 4 in 2024, 1 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
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Dr. Thomas Milton Kay has 96 publications on record
Dmand AI links 96 papers to Dr. Kay, published from 2002 to 2012. 2011 was the busiest year, with 8. The most frequent topics are Islets of Langerhans, Mice, Inbred NOD and Diabetes Mellitus, Type 1. Dr. Kay has published most often in Diabetes. Dr. Kay's most frequent co-authors are Gregory R. Steinberg, DO, Warren Le Eric Alexander, MD and David D. Huang, MD.
Papers96
Years published2002 to 2012
Dr. Kay's papers by year, 2002 to 2012
Topics Dr. Kay writes about most
- Islets of Langerhans
- Mice, Inbred NOD
- Diabetes Mellitus, Type 1
- Mice, Transgenic
- Mice, Inbred C57BL
- Interferon-gamma
- Insulin
- CD8-Positive T-Lymphocytes
Dr. Kay's most frequent co-authors
- Gregory R. Steinberg, DO3 shared papers
- Warren Le Eric Alexander, MD2 shared papers
- David D. Huang, MD2 shared papers
Recent publications by Dr. Kay
Central ToleranceDiabetes Mellitus, Type 1Glucose-6-Phosphatase
Diabetes
Cell LineDiabetes Mellitus, Type 1Glycation End Products, Advanced
Body WeightGluconeogenesisGlucose
Diabetes Mellitus, Type 1Graft RejectionInsulin-Secreting Cells
See who Dr. Kay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kay works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Milton Kay received $4,378 in industry payments from 2020 to 2025
CMS Open Payments shows 53 general payments to Dr. Kay from 13 drug and device companies from 2020 to 2025. Speaker and faculty fees make up the largest share, 38% of the total. Baudax Bio Inc. paid the most, $3,658.
General payments to Dr. Kay by program year, 2020 to 2025
General payments to Dr. Kay by kind, 2020 to 2025
$4.4Kin total
- Speaker and faculty fees$1,65038%
- Honoraria$1,15026%
- Food and beverage$94422%
- Travel and lodging$63414%
Companies that paid Dr. Kay the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Milton Kay graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Kay graduated from Joe R. & Teresa Lozano Long School of Medicine in 1997.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Thomas Milton Kay accepts plans from 14 insurance carriers
Dr. Kay is in network with 14 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- HCSC
- Baylor Scott and White
- +6 more carriersWith a free account
Plan types Dr. Kay accepts, by number of carriers
- HMO10
- PPO9
- POS6
- EPO4
- Medicare4
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas Milton Kay'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 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) |
| 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 |
| 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. Thomas Milton Kay
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 Milton Kay's NPI number?
Dr. Thomas Milton Kay's NPI number is 1619294592. It was assigned on April 30, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Milton Kay?
Dr. Thomas Milton Kay is an emergency medicine physician in New Braunfels, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas Milton Kay practice?
Dr. Kay practices at 3221 Commercial Cir, New Braunfels, TX 78132. Dr. Kay's primary practice is New Braunfels ER & Hospital in New Braunfels, Texas.
What is Dr. Thomas Milton Kay's office phone number?
The practice phone on file for Dr. Kay is (713) 660-0555.
What is Dr. Thomas Milton Kay's medical license number?
Dr. Kay's Texas license number on file is K5577, one of the licenses on file in 2 states.
Which states has Dr. Thomas Milton Kay been licensed in?
Dmand AI has state licenses on file for Dr. Kay in Texas (1998 to 2025) and Oklahoma (2022 to 2023).
Does Dr. Thomas Milton Kay accept Medicare?
Yes. CMS data shows Dr. Kay billed Medicare for 59 services in 2023.
Is Dr. Thomas Milton Kay board certified?
Yes. Dr. Kay is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Thomas Milton Kay bill to Medicare?
In 2023, Dr. Kay's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
Where did Dr. Thomas Milton Kay go to medical school?
Dr. Kay graduated from Joe R. & Teresa Lozano Long School of Medicine in 1997.
Show 6 more questionsShow fewer questions
What drugs does Dr. Thomas Milton Kay prescribe most?
In 2024 Medicare Part D data, Dr. Kay's most prescribed drugs by claims were Ondansetron ODT, Progesterone and Atorvastatin Calcium.
Has Dr. Thomas Milton Kay received payments from drug or device companies?
CMS Open Payments shows $4,378 in general payments to Dr. Kay from 13 companies from 2020 to 2025. The largest total came from Baudax Bio Inc.
How long has Dr. Thomas Milton Kay been practicing?
Dr. Kay graduated from medical school in 1997, 29 years ago.
Does Dr. Thomas Milton Kay do research?
Dmand AI links 96 publications to Dr. Kay, published from 2002 to 2012.
Who does Dr. Thomas Milton Kay publish with?
Dr. Kay's most frequent co-authors are Gregory R. Steinberg, DO (3 shared papers), Warren Le Eric Alexander, MD (2 shared papers) and David D. Huang, MD (2 shared papers).
What insurance does Dr. Thomas Milton Kay accept?
Dr. Kay is in network with 14 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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