Dr. Thomas E. Tomczak Jr., MD
- Medicare services, 2024
- 118
- Medicare patients, 2024
- 106
- Part D claims, 2024
- 6,468
- Hospital affiliations
- 5
- Industry payments
- $17,504
- Practice address
- 1221 South Drive, Mount Pleasant, MI 48858
- Practice phone
- Call (989) 772-6700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tomczak's 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. Thomas E. Tomczak Jr. is an emergency medicine physician in Mount Pleasant, Michigan
Dr. Tomczak practices at McLaren Central Michigan in Mount Pleasant, Michigan, part of McLaren Health Care.
Dr. Tomczak's NPI, 1780607853, was assigned on July 26, 2006. Dr. Tomczak holds Michigan license 4704213286.
- NPI
- 1780607853NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345205381
- NPI enumeration date
- July 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 772-6700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas E. Tomczak Jr. practices at McLaren Central Michigan in Mount Pleasant, Michigan
Dr. Tomczak's primary practice is McLaren Central Michigan, at 1221 South Drive, Mount Pleasant, MI 48858 in Isabella County. The practice phone is (989) 772-6700.
- McLaren Central Michigan1221 South Drive, Mount Pleasant, MI 48858 · Isabella CountyPhone(989) 772-6700
Source: Dmand AI Affiliation Data
Dr. Thomas E. Tomczak Jr. is affiliated with 8 sites of care and 4 medical groups
Dr. Tomczak's primary practice is McLaren Central Michigan in Mount Pleasant, Michigan, part of McLaren Health Care. Dr. Tomczak is also affiliated with McLaren Bay Region. The medical group on file is McLaren Central Michigan. Dmand AI also links Dr. Tomczak to 3 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account. Dr. Tomczak's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas E. Tomczak Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tomczak practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLaren Central Michigan | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across McLaren Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas E. Tomczak Jr. is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Tomczak's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Tomczak is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Tomczak
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 E. Tomczak Jr. billed Medicare for 118 services in 2024
CMS data shows 118 Medicare services from Dr. Tomczak across 2 procedure codes in 2024, all of them office visits, for 106 Medicare patients. Medicare paid $6,106 for them.
Dr. Tomczak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1392024: 11815%
- Tests and treatments
- 2023: 132024: 0100%
Where Dr. Tomczak's Medicare services took place, 2024
- In an office4437%
- In a facility7463%
Dr. Tomczak compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Tomczak
- Michigan median
- Medicare services
- 118vs 23450% below
- Medicare patients
- 106vs 21450% below
- Part D claims
- 6,255vs 46136.0 times
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Tomczak'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.
Need commercial claims for Dr. Tomczak?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tomczak and other emergency medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas E. Tomczak Jr. treated 106 Medicare patients in 2024, average age 74
CMS counts 106 Medicare patients who saw Dr. Tomczak in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tomczak's median patient age at 77, with 45% women.
Dr. Tomczak's Medicare patients by age, 2024
Dr. Tomczak's Medicare patients by sex, 2024
- Women4744%
- Men5956%
Chronic conditions among Dr. Tomczak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes52%
- Arthritis46%
- Atrial fibrillation38%
- COPD37%
- Chronic kidney disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tomczak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas E. Tomczak Jr. wrote 6,468 Medicare Part D claims in 2024
In 2024, Dr. Tomczak wrote 6,468 Medicare Part D claims for 1,270 patients. 80% of them were for generic drugs. CMS names the drug for 6,255 of them, across 52 drugs with 11 or more claims each, at $1,570,937 in total drug cost. In 2023, CMS named 4,322 claims across 48 drugs.
Dr. Tomczak's Part D claims by kind of drug, 2024
- Generic5,165 claims80%
- Brand-name1,303 claims20%
Dr. Tomczak'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. Tomczak's Part D claims, 2024
- Antibiotics0%13 of 6,468 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: 4,3222024: 6,25545%
Drugs named by CMS: 52 in 2024, 48 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
How Dr. Thomas E. Tomczak Jr. takes part in Medicare
Dr. Tomczak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Thomas E. Tomczak Jr. received $17,504 in industry payments from 2016 to 2025
CMS Open Payments shows 213 general payments to Dr. Tomczak from 19 drug and device companies from 2016 to 2025. Education make up the largest share, 83% of the total. Intuitive Surgical, Inc. paid the most, $14,575.
General payments to Dr. Tomczak by program year, 2016 to 2025
General payments to Dr. Tomczak by kind, 2016 to 2025
- Education$14,50083%
- Food and beverage$3,00417%
Companies that paid Dr. Tomczak 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. Thomas E. Tomczak Jr.'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) |
| 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. Thomas E. Tomczak Jr.
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 E. Tomczak Jr.'s NPI number?
Dr. Thomas E. Tomczak Jr.'s NPI number is 1780607853. It was assigned on July 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas E. Tomczak Jr.?
Dr. Thomas E. Tomczak Jr. is an emergency medicine physician in Mount Pleasant, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas E. Tomczak Jr. practice?
Dr. Tomczak practices at 1221 South Drive, Mount Pleasant, MI 48858. Dr. Tomczak's primary practice is McLaren Central Michigan in Mount Pleasant, Michigan, part of McLaren Health Care. Dmand AI also links Dr. Tomczak to 3 hospitals, 3 group practices and clinics and 3 medical groups.
What is Dr. Thomas E. Tomczak Jr.'s office phone number?
The practice phone on file for Dr. Tomczak is (989) 772-6700.
What is Dr. Thomas E. Tomczak Jr.'s medical license number?
Dr. Tomczak holds Michigan license 4704213286.
Which hospitals is Dr. Thomas E. Tomczak Jr. affiliated with?
Dr. Tomczak practices at McLaren Central Michigan in Mount Pleasant, Michigan. Dr. Tomczak is also affiliated with McLaren Bay Region. Dmand AI links Dr. Tomczak to 3 more hospitals.
What medical group is Dr. Thomas E. Tomczak Jr. part of?
Dr. Tomczak is linked to McLaren Central Michigan. Dmand AI links Dr. Tomczak to 3 more medical groups.
Does Dr. Thomas E. Tomczak Jr. accept Medicare?
Yes. CMS data shows Dr. Tomczak billed Medicare for 118 services in 2024, and Dr. Tomczak accepts Medicare assignment.
How many Medicare patients does Dr. Thomas E. Tomczak Jr. see?
CMS counts 106 Medicare patients who saw Dr. Tomczak in 2024, with an average age of 74.
What services does Dr. Thomas E. Tomczak Jr. bill to Medicare?
In 2024, Dr. Tomczak's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Show 3 more questionsShow fewer questions
What drugs does Dr. Thomas E. Tomczak Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Tomczak's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Tartrate and Eliquis.
Has Dr. Thomas E. Tomczak Jr. received payments from drug or device companies?
CMS Open Payments shows $17,504 in general payments to Dr. Tomczak from 19 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Thomas E. Tomczak Jr. been practicing?
Dr. Tomczak graduated from medical school in 2003, 23 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card