Dr. Alyssa Michelle Rumsey, DO
- Medicare services, 2024
- 66
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 7,953
- Hospital affiliations
- 5
- Industry payments
- $465
- Practice address
- 3245 Health Dr, Granger, IN 46530
- Practice phone
- Call (269) 279-5240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Three Rivers Health Center for Family Medicine
Granger, Indiana
Find Dr. Rumsey'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. Alyssa Michelle Rumsey is an internist in Granger, Indiana
Dr. Rumsey practices at Three Rivers Health Center for Family Medicine in Granger, Indiana.
Dr. Rumsey's NPI, 1902396757, was assigned on May 17, 2018. Dr. Rumsey graduated from Michigan State University College of Osteopathic Medicine in 2018. Dr. Rumsey holds Michigan license 5101026055.
- NPI
- 1902396757NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709141385
- NPI enumeration date
- May 17, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 279-5240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alyssa Michelle Rumsey practices at Three Rivers Health Center for Family Medicine in Granger, Indiana
Dr. Rumsey's primary practice is Three Rivers Health Center for Family Medicine, at 3245 Health Dr, Granger, IN 46530 in St Joseph County. The practice phone is (269) 279-5240.
- Three Rivers Health Center for Family Medicine3245 Health Dr, Granger, IN 46530 · St Joseph CountyPhone(269) 279-5240
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alyssa Michelle Rumsey is affiliated with 9 sites of care and 2 medical groups
Dr. Rumsey's primary practice is Three Rivers Health Center for Family Medicine in Granger, Indiana. Dr. Rumsey is also affiliated with Bronson Methodist Hospital. The medical group on file is Beacon Medical Group Schwartz-Wiekamp. Dmand AI also links Dr. Rumsey to 4 more hospitals, 2 group practices and clinics, 1 hospice and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alyssa Michelle Rumsey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rumsey practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Three Rivers Health Center for Family Medicine | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alyssa Michelle Rumsey is one of 1,987 internists in Indiana
Internal medicine is Dr. Rumsey's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Rumsey's licenses on file in 2 states: Michigan and Indiana.
Specialties and state licenses
- Internal medicine, MichiganPrimary
- Indiana license
Internists near Dr. Rumsey
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. Alyssa Michelle Rumsey billed Medicare for 66 services in 2024
CMS data shows 66 Medicare services from Dr. Rumsey across 3 procedure codes in 2024, for 91 Medicare patients. Medicare paid $3,038 for them.
Dr. Rumsey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 512024: 2649%
- Office and hospital visits
- 2023: 672024: 2267%
- Tests and treatments
- 2023: 02024: 18
Where Dr. Rumsey's Medicare services took place, 2024
- In an office4467%
- In a facility2233%
Dr. Rumsey compared with the Indiana median for internists, 2024
- Dr. Rumsey
- Indiana median
- Medicare services
- 66vs 52087% below
- Medicare patients
- 91vs 21257% below
- Part D claims
- 7,083vs 15944.5 times
Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.
Dr. Rumsey'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rumsey and other internists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alyssa Michelle Rumsey treated 91 Medicare patients in 2024, average age 75
CMS counts 91 Medicare patients who saw Dr. Rumsey in 2024. The largest group is 75 to 84, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rumsey's median patient age at 71, with 60% women.
Dr. Rumsey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rumsey's Medicare patients by sex, 2024
- Women5763%
- Men3437%
Chronic conditions among Dr. Rumsey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes48%
- Arthritis43%
- Anxiety36%
- Ischemic heart disease36%
- Mood disorders35%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rumsey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alyssa Michelle Rumsey wrote 7,953 Medicare Part D claims in 2024
In 2024, Dr. Rumsey wrote 7,953 Medicare Part D claims for 599 patients. 87% of them were for generic drugs. CMS names the drug for 7,083 of them, across 128 drugs with 11 or more claims each, at $636,633 in total drug cost. In 2023, CMS named 5,772 claims across 118 drugs.
Dr. Rumsey's Part D claims by kind of drug, 2024
- Generic6,885 claims87%
- Brand-name998 claims13%
- Other70 claims1%
Dr. Rumsey'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. Rumsey's Part D claims, 2024
- Opioids4%279 of 7,953 claims
- Antibiotics2%138 of 7,953 claims
- Antipsychotics, patients 65 and over1%50 of 7,953 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: 5,7722024: 7,08323%
Drugs named by CMS: 128 in 2024, 118 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. Alyssa Michelle Rumsey takes part in Medicare
Dr. Rumsey 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)
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Dr. Alyssa Michelle Rumsey received $465 in industry payments from 2018 to 2025
CMS Open Payments shows 19 general payments to Dr. Rumsey from 10 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $151.
General payments to Dr. Rumsey by program year, 2018 to 2025
Companies that paid Dr. Rumsey the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alyssa Michelle Rumsey graduated from Michigan State University College of Osteopathic Medicine
Dr. Rumsey graduated from Michigan State University College of Osteopathic Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alyssa Michelle Rumsey'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 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) |
| 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. Alyssa Michelle Rumsey
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. Alyssa Michelle Rumsey's NPI number?
Dr. Alyssa Michelle Rumsey's NPI number is 1902396757. It was assigned on May 17, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Alyssa Michelle Rumsey?
Dr. Alyssa Michelle Rumsey is an internist in Granger, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alyssa Michelle Rumsey practice?
Dr. Rumsey practices at 3245 Health Dr, Granger, IN 46530. Dr. Rumsey's primary practice is Three Rivers Health Center for Family Medicine in Granger, Indiana. Dmand AI also links Dr. Rumsey to 4 hospitals, 2 group practices and clinics, 1 hospice and 1 medical group.
What is Dr. Alyssa Michelle Rumsey's office phone number?
The practice phone on file for Dr. Rumsey is (269) 279-5240.
What is Dr. Alyssa Michelle Rumsey's medical license number?
Dr. Rumsey holds Michigan license 5101026055, one of the licenses on file in 2 states.
Which states has Dr. Alyssa Michelle Rumsey been licensed in?
Dmand AI has state licenses on file for Dr. Rumsey in Michigan and Indiana.
Which hospitals is Dr. Alyssa Michelle Rumsey affiliated with?
Dr. Rumsey is affiliated with Bronson Methodist Hospital. Dmand AI links Dr. Rumsey to 4 more hospitals.
What medical group is Dr. Alyssa Michelle Rumsey part of?
Dr. Rumsey is linked to Beacon Medical Group Schwartz-Wiekamp. Dmand AI links Dr. Rumsey to 1 more medical group.
Does Dr. Alyssa Michelle Rumsey accept Medicare?
Yes. CMS data shows Dr. Rumsey billed Medicare for 66 services in 2024, and Dr. Rumsey accepts Medicare assignment.
How many Medicare patients does Dr. Alyssa Michelle Rumsey see?
CMS counts 91 Medicare patients who saw Dr. Rumsey in 2024, with an average age of 75.
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What services does Dr. Alyssa Michelle Rumsey bill to Medicare?
In 2024, Dr. Rumsey's most billed Medicare services were lab and pathology test (83036), hospital inpatient care (99223) and health assessment (96127).
Where did Dr. Alyssa Michelle Rumsey go to medical school?
Dr. Rumsey graduated from Michigan State University College of Osteopathic Medicine in 2018.
What drugs does Dr. Alyssa Michelle Rumsey prescribe most?
In 2024 Medicare Part D data, Dr. Rumsey's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Alyssa Michelle Rumsey received payments from drug or device companies?
CMS Open Payments shows $465 in general payments to Dr. Rumsey from 10 companies from 2018 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Alyssa Michelle Rumsey been practicing?
Dr. Rumsey graduated from medical school in 2018, 8 years ago.
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