1. Home
  2. Directory
  3. Michigan
  4. Three Rivers
  5. Internal Medicine
  6. NPI Profile

ALYSSA MICHELLE RUMSEY DO
NPI 1902396757
Internal Medicine in Three Rivers, MI

Active since May 17, 2018PECOS EnrolledAccepts Medicare Assignment
850 S HEALTH PKWY, THREE RIVERS, MI 49093(269) 279-5240(269) 273-9060 Get Directions Write a Review

NPPES record last updated: July 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 1, 2025, Apr 10, 2023, Dec 27, 2022 and 5 more (8 updates tracked since 2018).

About Alyssa Michelle Rumsey Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALYSSA MICHELLE RUMSEY DO (NPI 1902396757) is an individual internal medicine provider in Three Rivers, Michigan, licensed in Michigan (5101026055) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Elkhart General Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1902396757
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALYSSA MICHELLE RUMSEYCredential: DO
Location Address850 S HEALTH PKWYThree Rivers, MI 49093-8358
Mailing Address3245 Health Dr Ste 100Granger, IN 46530-1380 · (574) 647-1088
Phone(269) 279-5240
Fax(269) 273-9060
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2018
Enumeration DateMay 17, 2018
Last NPPES UpdateJuly 1, 20258 updates tracked since enumeration
NPPES CertifiedJuly 1, 2025
✔ NPI 1902396757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MI · 5101026055✔ Licensed in IN · 02007019A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
850 S HEALTH PKWY, Three Rivers, MI 49093
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1701 S Health PkwyThree Rivers, MI 49093-8352 · Phone (269) 278-1145 · Fax (269) 273-9611
Location 2615 N Michigan St, 1st Fl Hospitalist SteSouth Bend, IN 46601-1033 · Phone (574) 647-3050 · Fax (574) 647-1094
Location 3711 S Health Parkway Ste 1Three Rivers, MI 49093-8354 · Phone (269) 273-8557 · Fax (269) 279-6461

Other Identifiers 2

Medicaid300070503IN
Medicaid1902396757MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alyssa Michelle Rumsey Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709141385
PECOS Enrollment IDI20221230000395
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
26 services24 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
22 services22 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
18 services18 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Elkhart General Hospital

Acute Care Hospitals · Elkhart, IN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150018
Location600 E BlvdElkhart, IN 46514 · Elkhart County
Emergency services Birthing friendly

Memorial Hospital Of South Bend

Acute Care Hospitals · South Bend, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150058
Location615 N Michigan StSouth Bend, IN 46601 · St. Joseph County
Emergency services Birthing friendly

Three Rivers Health

Acute Care Hospitals · Three Rivers, MI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number230015
Location701 S Health ParkwayThree Rivers, MI 49093 · St. Joseph County
Birthing friendly

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230017
Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers26 claims40 services$6.56 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THREE RIVERS HEALTH SYSTEM, INC
Family Medicine
850 S HEALTH PKWY
THREE RIVERS, MI 49093
St. Joseph County (269) 279-5240
DR. NEHDIA BADR HASHEMI M.D.
Family Medicine
850 S HEALTH PKWY
THREE RIVERS, MI 49093
St. Joseph County (269) 279-5240
ERIC THOMAS COMER PA-C
Physician Assistant
850 S HEALTH PKWY
THREE RIVERS, MI 49093
St. Joseph County (269) 279-5240

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alyssa Rumsey's NPI number?

The NPI number for Alyssa Rumsey is 1902396757. It was assigned to this individual provider in the NPPES registry on May 17, 2018.

Where is Alyssa Rumsey located?

Alyssa Rumsey practices at 850 S Health Pkwy, Three Rivers, MI 49093. The listed phone number is (269) 279-5240.

What is Alyssa Rumsey's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alyssa Rumsey enrolled in Medicare?

Yes. Alyssa Rumsey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alyssa Rumsey accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource, McLaren Health Plan Community and Priority Health list Alyssa Rumsey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alyssa Rumsey affiliated with any hospitals?

According to CMS data, Alyssa Rumsey is affiliated with Elkhart General Hospital, Memorial Hospital Of South Bend, Three Rivers Health and Bronson Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Alyssa Rumsey was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.