Dr. Johnson Thomas, MD
- Medicare services, 2024
- 887
- Medicare patients, 2024
- 441
- Part D claims, 2024
- 4,544
- Hospital affiliations
- 4
- Industry payments
- $53,643
- Practice address
- 1235 E Cherokee St, Springfield, MO 65804
- Practice phone
- Call (417) 820-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Hospital Springfield & Children's Mercy
Springfield, Missouri
Find Dr. Thomas' 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. Johnson Thomas is an endocrinologist in Springfield, Missouri
Dr. Thomas practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri.
Dr. Thomas' NPI, 1922231331, was assigned on September 1, 2009. Dr. Thomas holds Missouri license 2013029753.
- NPI
- 1922231331NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941427074
- NPI enumeration date
- September 1, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (417) 820-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnson Thomas practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri
Dr. Thomas' primary practice is Mercy Hospital Springfield & Children's Mercy, at 1235 E Cherokee St, Springfield, MO 65804 in Greene County. The practice phone is (417) 820-2000.
- Mercy Hospital Springfield & Children's Mercy1235 E Cherokee St, Springfield, MO 65804 · Greene CountyPhone(417) 820-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Johnson Thomas is affiliated with 5 sites of care and 1 medical group
Dr. Thomas' primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dr. Thomas is also affiliated with Mercy Hospital Springfield. The medical group on file is Mercy Clinic Family Medicine - Hollister. Dmand AI also links Dr. Thomas to 3 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Johnson Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital Springfield & Children's Mercy | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Johnson Thomas is one of 182 endocrinologists in Missouri
Endocrinology, diabetes and metabolism is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Thomas is licensed in Missouri.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, MissouriPrimary
Endocrinologists near Dr. Thomas
Counts of endocrinologists 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. Johnson Thomas billed Medicare for 887 services in 2024
CMS data shows 887 Medicare services from Dr. Thomas across 7 procedure codes in 2024, for 441 Medicare patients. Medicare paid $40,273 for them. Every service was in an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5582024: 5393%
- Other services
- 2023: 02024: 239
- Tests and treatments
- 2023: 332024: 4742%
- Imaging
- 2023: 722024: 3256%
- Surgery
- 2023: 272024: 3011%
Dr. Thomas compared with the Missouri median for endocrinologists, 2024
- Dr. Thomas
- Missouri median
- Medicare services
- 887vs 77215% above
- Medicare patients
- 441vs 26169% above
- Part D claims
- 4,161vs 1,6112.6 times
Medians across 182 endocrinologists in Missouri with Dmand AI profiles that report each measure.
Dr. Thomas' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Johnson Thomas treated 441 Medicare patients in 2024, average age 72
CMS counts 441 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 225 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 67, with 64% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women29667%
- Men14533%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes40%
- Chronic kidney disease37%
- Mood disorders32%
- Depression29%
- Osteoporosis29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Johnson Thomas wrote 4,544 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 4,544 Medicare Part D claims for 710 patients. 39% of them were for generic drugs. CMS names the drug for 4,161 of them, across 57 drugs with 11 or more claims each, at $2,115,539 in total drug cost. In 2023, CMS named 3,778 claims across 55 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic1,772 claims39%
- Brand-name2,539 claims56%
- Other233 claims5%
Dr. Thomas' 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: 3,7782024: 4,16110%
Drugs named by CMS: 57 in 2024, 55 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. Johnson Thomas offers telehealth to Medicare patients
Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thomas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Johnson Thomas received $53,643 in industry payments from 2016 to 2025
CMS Open Payments shows 169 general payments to Dr. Thomas from 20 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 89% of the total. Novo Nordisk Inc paid the most, $50,078.
General payments to Dr. Thomas by program year, 2016 to 2025
General payments to Dr. Thomas by kind, 2016 to 2025
- Speaker and faculty fees$47,74189%
- Food and beverage$3,5007%
- Travel and lodging$2,3334%
- Education$690%
Companies that paid Dr. Thomas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Johnson Thomas'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 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) |
| 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) |
| Industry payments | Open Payments (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 Dr. Johnson Thomas
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. Johnson Thomas' NPI number?
Dr. Johnson Thomas' NPI number is 1922231331. It was assigned on September 1, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnson Thomas?
Dr. Johnson Thomas is an endocrinologist in Springfield, Missouri. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Johnson Thomas practice?
Dr. Thomas practices at 1235 E Cherokee St, Springfield, MO 65804. Dr. Thomas' primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dmand AI also links Dr. Thomas to 3 hospitals.
What is Dr. Johnson Thomas' office phone number?
The practice phone on file for Dr. Thomas is (417) 820-2000.
What is Dr. Johnson Thomas' medical license number?
Dr. Thomas holds Missouri license 2013029753.
Which hospitals is Dr. Johnson Thomas affiliated with?
Dr. Thomas is affiliated with Mercy Hospital Springfield. Dmand AI links Dr. Thomas to 3 more hospitals.
What medical group is Dr. Johnson Thomas part of?
Dr. Thomas is linked to Mercy Clinic Family Medicine - Hollister.
Does Dr. Johnson Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 887 services in 2024, and Dr. Thomas accepts Medicare assignment.
Does Dr. Johnson Thomas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Thomas as offering telehealth services.
How many Medicare patients does Dr. Johnson Thomas see?
CMS counts 441 Medicare patients who saw Dr. Thomas in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Johnson Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, new patient (99204).
What drugs does Dr. Johnson Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Levothyroxine Sodium, Jardiance and Ozempic.
Has Dr. Johnson Thomas received payments from drug or device companies?
CMS Open Payments shows $53,643 in general payments to Dr. Thomas from 20 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Johnson Thomas been practicing?
Dr. Thomas graduated from medical school in 2007, 19 years ago.
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