Alyssa Rumsey, DO
NPI 1902396757 · Internal Medicine Physician · Three Rivers, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Rumsey, DO is a Internal Medicine Physician provider in Three Rivers, MI (NPI 1902396757).
Provider details
- NPI number
- 1902396757
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 02007019A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
66 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Hemoglobin A1c Level83036 | 26 | $10 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 22 | $164 |
| Assessment of Emotional Or Behavioral Problems96127 | 18 | $4 |
Typical Medicare-allowed amounts for these services range $4–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 470 | 147 |
| Levothyroxine Sodium | 281 | 87 |
| Lisinopril | 266 | 80 |
| Amlodipine Besylate | 233 | 72 |
| Losartan Potassium | 203 | 62 |
| Omeprazole | 190 | 54 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 615 N Michigan St1st Fl Hospitalist SteSouth Bend, IN 46601-1033Phone: (574) 647-3050Fax: (574) 647-1094
- 701 S Health PkwyThree Rivers, MI 49093-8352Phone: (269) 278-1145Fax: (269) 273-9611
- 711 S Health Parkway Ste 1Three Rivers, MI 49093-8354Phone: (269) 273-8557Fax: (269) 279-6461
Registry dates
- Enumerated
- 2018-05-17
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Alyssa Rumsey's NPI number?
- Alyssa Rumsey's National Provider Identifier (NPI) is 1902396757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Rumsey's specialty?
- Alyssa Rumsey is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alyssa Rumsey located?
- Alyssa Rumsey's practice location on file with NPPES is 850 S Health Pkwy, Three Rivers, MI 49093-8358.
- What is Alyssa Rumsey's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Rumsey is (269) 279-5240.
- Does Alyssa Rumsey accept Medicare?
- Alyssa Rumsey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Rumsey's NPI active?
- Yes — Alyssa Rumsey's NPI (1902396757) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.