Dr. Thomas W. Rossiter, MD

  • Springfield, MO
  • Internist
NPI1720143118PAC ID2365576378
Medicare services, 2024
1,835
Medicare patients, 2024
496
Part D claims, 2024
17,210
Hospital affiliations
4
Industry payments
$95
Practice address
1235 E Cherokee St, Springfield, MO 65804
Practice phone
Call (417) 820-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital Springfield & Children's Mercy

Springfield, Missouri

See all 10 affiliations

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Dr. Thomas W. Rossiter is an internist in Springfield, Missouri

Dr. Rossiter practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri.

Dr. Rossiter's NPI, 1720143118, was assigned on December 26, 2006. Dr. Rossiter graduated from University of Iowa, RJ & L Carver College of Medicine in 1989. Dr. Rossiter holds Missouri license R4N80.

NPI and contact details
Medicare PAC ID
2365576378
NPI enumeration date
December 26, 2006
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
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Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Thomas W. Rossiter practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri

Dr. Rossiter's 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 Mercy
    1235 E Cherokee St, Springfield, MO 65804 · Greene CountyPhone(417) 820-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Thomas W. Rossiter is affiliated with 8 sites of care and 2 medical groups

Dr. Rossiter's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dr. Rossiter is also affiliated with Mercy Hospital Springfield. The medical group on file is Mercy Clinic Family Medicine - Hollister. Dmand AI also links Dr. Rossiter to 3 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Rossiter

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Thomas W. Rossiter's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rossiter practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Hospital Springfield & Children's MercyAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas W. Rossiter is one of 2,114 internists in Missouri

Internal medicine is Dr. Rossiter's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rossiter is licensed in Missouri.

Specialties and state licenses

  • Internal medicine, MissouriPrimaryLicense R4N80 · taxonomy 207R00000X

Internists near Dr. Rossiter

Counts of internists 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 W. Rossiter billed Medicare for 1,835 services in 2024

CMS data shows 1,835 Medicare services from Dr. Rossiter across 13 procedure codes in 2024, for 496 Medicare patients. Medicare paid $134,967 for them. Every service was in an office.

Medicare services, 20241,835
Medicare patients496
Paid by Medicare$134,967
Procedure codes13

Dr. Rossiter's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 9932024: 9296%
Other services
2023: 6542024: 73212%
Tests and treatments
2023: 1742024: 14020%
Imaging
2023: 722024: 3453%

Dr. Rossiter compared with the Missouri median for internists, 2024

  • Dr. Rossiter
  • Missouri median
Medicare services
1,835vs 5303.5 times
Medicare patients
496vs 2112.4 times
Part D claims
16,389vs 32550.4 times

Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.

Dr. Rossiter'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.

See all procedures by Dr. Rossiter

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas W. Rossiter treated 496 Medicare patients in 2024, average age 76

CMS counts 496 Medicare patients who saw Dr. Rossiter in 2024. The largest group is 75 to 84, with 236 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Rossiter's median patient age at 76, with 44% women.

Medicare patients, 2024496
Average age76
Average risk score1.06

Dr. Rossiter's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Rossiter's Medicare patients by sex, 2024

  • Women21443%
  • Men28257%

Chronic conditions among Dr. Rossiter's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis44%
  4. Chronic kidney disease36%
  5. Diabetes25%
  6. Ischemic heart disease24%
  7. Atrial fibrillation18%
  8. Mood disorders18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Rossiter's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women44%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Thomas W. Rossiter wrote 17,210 Medicare Part D claims in 2024

In 2024, Dr. Rossiter wrote 17,210 Medicare Part D claims for 1,370 patients. 89% of them were for generic drugs. CMS names the drug for 16,389 of them, across 165 drugs with 11 or more claims each, at $1,017,375 in total drug cost. In 2023, CMS named 16,323 claims across 165 drugs.

Part D claims, 202417,210
Drugs named by CMS165
Total drug cost$1M
Part D patients1,370

Dr. Rossiter's Part D claims by kind of drug, 2024

  • Generic15,234 claims89%
  • Brand-name1,901 claims11%
  • Other75 claims0%

Dr. Rossiter'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. Rossiter's Part D claims, 2024

  • Opioids2%335 of 17,210 claims
  • Antibiotics1%191 of 17,210 claims
  • Antipsychotics, patients 65 and over0%20 of 17,210 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: 16,3232024: 16,389No change

Drugs named by CMS: 165 in 2024, 165 in 2023.

See all prescribing by Dr. Rossiter

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 W. Rossiter offers telehealth to Medicare patients

Dr. Rossiter accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rossiter as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Thomas W. Rossiter received $95 in industry payments from 2022 to 2023

CMS Open Payments shows 2 general payments to Dr. Rossiter from 2 drug and device companies from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Corium, LLC paid the most, $63.

General payments to Dr. Rossiter by program year, 2022 to 2023

Companies that paid Dr. Rossiter the most, 2022 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Rossiter

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Thomas W. Rossiter graduated from University of Iowa, RJ & L Carver College of Medicine

Dr. Rossiter graduated from University of Iowa, RJ & L Carver College of Medicine in 1989.

  1. Medical schoolUniversity of Iowa, RJ & L Carver College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Thomas W. Rossiter's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thomas W. Rossiter

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 W. Rossiter's NPI number?

Dr. Thomas W. Rossiter's NPI number is 1720143118. It was assigned on December 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas W. Rossiter?

Dr. Thomas W. Rossiter is an internist in Springfield, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Thomas W. Rossiter practice?

Dr. Rossiter practices at 1235 E Cherokee St, Springfield, MO 65804. Dr. Rossiter's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dmand AI also links Dr. Rossiter to 3 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Thomas W. Rossiter's office phone number?

The practice phone on file for Dr. Rossiter is (417) 820-2000.

What is Dr. Thomas W. Rossiter's medical license number?

Dr. Rossiter holds Missouri license R4N80.

Which hospitals is Dr. Thomas W. Rossiter affiliated with?

Dr. Rossiter is affiliated with Mercy Hospital Springfield. Dmand AI links Dr. Rossiter to 3 more hospitals.

What medical group is Dr. Thomas W. Rossiter part of?

Dr. Rossiter is linked to Mercy Clinic Family Medicine - Hollister. Dmand AI links Dr. Rossiter to 1 more medical group.

Does Dr. Thomas W. Rossiter accept Medicare?

Yes. CMS data shows Dr. Rossiter billed Medicare for 1,835 services in 2024, and Dr. Rossiter accepts Medicare assignment.

Does Dr. Thomas W. Rossiter offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Rossiter as offering telehealth services.

How many Medicare patients does Dr. Thomas W. Rossiter see?

CMS counts 496 Medicare patients who saw Dr. Rossiter in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Thomas W. Rossiter bill to Medicare?

In 2024, Dr. Rossiter's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).

Where did Dr. Thomas W. Rossiter go to medical school?

Dr. Rossiter graduated from University of Iowa, RJ & L Carver College of Medicine in 1989.

What drugs does Dr. Thomas W. Rossiter prescribe most?

In 2024 Medicare Part D data, Dr. Rossiter's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.

Has Dr. Thomas W. Rossiter received payments from drug or device companies?

CMS Open Payments shows $95 in general payments to Dr. Rossiter from 2 companies from 2022 to 2023. The largest total came from Corium, LLC.

How long has Dr. Thomas W. Rossiter been practicing?

Dr. Rossiter graduated from medical school in 1989, 37 years ago.

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