Dr. Aleatha Denise Reitsma-Mathias, MD
- Medicare services, 2024
- 515
- Medicare patients, 2024
- 218
- Part D claims, 2024
- 565
- Hospital affiliations
- 2
- Medical groups
- 4
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Reitsma-Mathias' 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. Aleatha Denise Reitsma-Mathias is an internist in Ann Arbor, Michigan
Dr. Reitsma-Mathias practices at University Hospital in Ann Arbor, Michigan.
Dr. Reitsma-Mathias' NPI, 1194786475, was assigned on March 28, 2006. Dr. Reitsma-Mathias graduated from University of Iowa, RJ & L Carver College of Medicine in 1998. Dr. Reitsma-Mathias holds Michigan license 4301072313.
- NPI
- 1194786475NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638150824
- NPI enumeration date
- March 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aleatha Denise Reitsma-Mathias practices at University Hospital in Ann Arbor, Michigan
Dr. Reitsma-Mathias' primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. Aleatha Denise Reitsma-Mathias is affiliated with 5 sites of care and 4 medical groups
Dr. Reitsma-Mathias' primary practice is University Hospital in Ann Arbor, Michigan. Dr. Reitsma-Mathias is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Reitsma-Mathias to 1 more hospital, 3 medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account. Dr. Reitsma-Mathias' employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aleatha Denise Reitsma-Mathias' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reitsma-Mathias practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aleatha Denise Reitsma-Mathias is one of 4,804 internists in Michigan
Internal medicine is Dr. Reitsma-Mathias' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Reitsma-Mathias is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Reitsma-Mathias
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. Aleatha Denise Reitsma-Mathias billed Medicare for 515 services in 2024
CMS data shows 515 Medicare services from Dr. Reitsma-Mathias across 7 procedure codes in 2024, for 218 Medicare patients. Medicare paid $40,251 for them.
Dr. Reitsma-Mathias' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7652024: 43843%
- Other services
- 2023: 02024: 77
Where Dr. Reitsma-Mathias' Medicare services took place, 2024
- In an office14829%
- In a facility36771%
Dr. Reitsma-Mathias compared with the Michigan median for internists, 2024
- Dr. Reitsma-Mathias
- Michigan median
- Medicare services
- 515vs 42322% above
- Medicare patients
- 218vs 15937% above
- Part D claims
- 190vs 31439% below
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Reitsma-Mathias' 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. Aleatha Denise Reitsma-Mathias treated 218 Medicare patients in 2024, average age 77
CMS counts 218 Medicare patients who saw Dr. Reitsma-Mathias in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.81, 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. Reitsma-Mathias' median patient age at 63, with 51% women.
Dr. Reitsma-Mathias' Medicare patients by age, 2024
Dr. Reitsma-Mathias' Medicare patients by sex, 2024
- Women10448%
- Men11452%
Chronic conditions among Dr. Reitsma-Mathias' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease50%
- Anxiety37%
- Atrial fibrillation37%
- Chronic kidney disease36%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Reitsma-Mathias' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
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. Aleatha Denise Reitsma-Mathias wrote 565 Medicare Part D claims in 2024
In 2024, Dr. Reitsma-Mathias wrote 565 Medicare Part D claims for 206 patients. 87% of them were for generic drugs. CMS names the drug for 190 of them, across 12 drugs with 11 or more claims each, at $12,831 in total drug cost. In 2021, CMS named 14 claims across 1 drug.
Dr. Reitsma-Mathias' Part D claims by kind of drug, 2024
- Generic489 claims87%
- Brand-name and other76 claims13%
Dr. Reitsma-Mathias' 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. Reitsma-Mathias' Part D claims, 2024
- Opioids5%26 of 565 claims
- Antibiotics8%44 of 565 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 142024: 1901257%
Drugs named by CMS: 12 in 2024, 1 in 2021.
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. Aleatha Denise Reitsma-Mathias offers telehealth to Medicare patients
Dr. Reitsma-Mathias accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Reitsma-Mathias as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Aleatha Denise Reitsma-Mathias graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Reitsma-Mathias graduated from University of Iowa, RJ & L Carver College of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aleatha Denise Reitsma-Mathias'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) |
| 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. Aleatha Denise Reitsma-Mathias
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. Aleatha Denise Reitsma-Mathias' NPI number?
Dr. Aleatha Denise Reitsma-Mathias' NPI number is 1194786475. It was assigned on March 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Aleatha Denise Reitsma-Mathias?
Dr. Aleatha Denise Reitsma-Mathias is an internist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Aleatha Denise Reitsma-Mathias practice?
Dr. Reitsma-Mathias practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Reitsma-Mathias' primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Reitsma-Mathias to 1 hospital, 3 medical groups, 1 group practice or clinic and 1 home health agency.
What is Dr. Aleatha Denise Reitsma-Mathias' office phone number?
The practice phone on file for Dr. Reitsma-Mathias is (734) 936-4000.
What is Dr. Aleatha Denise Reitsma-Mathias' medical license number?
Dr. Reitsma-Mathias holds Michigan license 4301072313.
Which hospitals is Dr. Aleatha Denise Reitsma-Mathias affiliated with?
Dr. Reitsma-Mathias is affiliated with University Hospital. Dmand AI links Dr. Reitsma-Mathias to 1 more hospital.
What medical group is Dr. Aleatha Denise Reitsma-Mathias part of?
Dr. Reitsma-Mathias is linked to University of Michigan Health. Dmand AI links Dr. Reitsma-Mathias to 3 more medical groups.
Does Dr. Aleatha Denise Reitsma-Mathias accept Medicare?
Yes. CMS data shows Dr. Reitsma-Mathias billed Medicare for 515 services in 2024, and Dr. Reitsma-Mathias accepts Medicare assignment.
Does Dr. Aleatha Denise Reitsma-Mathias offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Reitsma-Mathias as offering telehealth services.
How many Medicare patients does Dr. Aleatha Denise Reitsma-Mathias see?
CMS counts 218 Medicare patients who saw Dr. Reitsma-Mathias in 2024, with an average age of 77.
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What services does Dr. Aleatha Denise Reitsma-Mathias bill to Medicare?
In 2024, Dr. Reitsma-Mathias' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Aleatha Denise Reitsma-Mathias go to medical school?
Dr. Reitsma-Mathias graduated from University of Iowa, RJ & L Carver College of Medicine in 1998.
What drugs does Dr. Aleatha Denise Reitsma-Mathias prescribe most?
In 2024 Medicare Part D data, Dr. Reitsma-Mathias' most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Gabapentin.
How long has Dr. Aleatha Denise Reitsma-Mathias been practicing?
Dr. Reitsma-Mathias graduated from medical school in 1998, 28 years ago.
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