Quick answers
- Does Erin M. Gronenthal accept Medicare assignment?
- Yes. Medicare's clinician data says Erin M. Gronenthal 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 Erin M. Gronenthal see?
- In 2024, CMS data shows 189 Original Medicare patients and 5,112 services for Erin M. Gronenthal. This counts Original Medicare only and measures volume, not quality.
- What is Erin M. Gronenthal's NPI number?
- 1922402353. 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 Erin M. Gronenthal, 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 | 189 |
|---|---|
| Services billed to Medicare | 5,112 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)227 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)122 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)79 services
- Administration of influenza virus vaccine (G0008)28 services
- Influenza vaccine split virus, preservative free (90662)27 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 cholesterol64%
- High blood pressure56%
- Arthritis39%
- Chronic kidney disease24%
- Depression21%
- Anxiety18%
Hospitals where Erin M. Gronenthal works
Medicare's Facility Affiliation Data lists Erin M. Gronenthal at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Banner Fort Collins Medical CenterFort Collins, CO · Acute Care Hospital · Emergency services: listed by Medicare · CCN 060126
- Banner North Colorado Medical CenterGreeley, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060001
Practice locations
Addresses where Erin M. Gronenthal is enrolled with Medicare (CMS data updated October 2, 2026).
- 1230 14th St SWLoveland, CO 80537 (970) 820‑3999
- 1801 16th StGreeley, CO 80631 (970) 810‑4121
- 1801 16th St, Suite C2bGreeley, CO 80631 (970) 810‑4121
- 2964 Ginnala DrLoveland, CO 80538 (970) 667‑7755
- 730 14th St SW, Suite 200Loveland, CO 80537 (970) 663‑0815
Group practices
Medicare enrollment lists Erin M. Gronenthal as a member of these groups (CMS data updated October 2, 2026).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- Select Physical Therapy of West Denver Limited Partnership548 clinicians in the group
- Banner Health Physicians Colorado LLC261 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Loveland
Clinicians with the same Medicare primary specialty in Loveland, CO — not a recommendation.
Other clinicians in Select Physical Therapy Holdings Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922402353 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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