Quick answers
- Does Masumi Arakane Mancero accept Medicare assignment?
- Yes. Medicare's clinician data says Masumi Arakane Mancero accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Masumi Arakane Mancero see?
- In 2024, CMS data shows 334 Original Medicare patients and 994 services for Masumi Arakane Mancero. This counts Original Medicare only and measures volume, not quality.
- What is Masumi Arakane Mancero's NPI number?
- 1356781959. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Masumi Arakane Mancero, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 334 |
|---|---|
| Services billed to Medicare | 994 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)707 services
- Hospital discharge day management, more than 30 minutes (99239)109 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)89 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)47 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)29 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol73%
- Arthritis71%
- Depression52%
- Anxiety49%
- Chronic kidney disease49%
Practice locations
Addresses where Masumi Arakane Mancero is enrolled with Medicare (CMS data updated October 2, 2026).
- 1024 S Lemay Ave, Poudre Valley HospitalFort Collins, CO 80524 (970) 495‑7142
- 2021 Battlecreek Dr, Unit AFort Collins, CO 80528 (970) 231‑4008
Group practices
Medicare enrollment lists Masumi Arakane Mancero as a member of this group (CMS data updated October 2, 2026).
- Northern Colorado Hospitalists Professional LLC86 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Other clinicians in Northern Colorado Hospitalists Professional LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356781959 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians