Quick answers
- Does Maria M. Herrera accept Medicare assignment?
- Yes. Medicare's clinician data says Maria M. Herrera 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 Maria M. Herrera see?
- In 2024, CMS data shows 239 Original Medicare patients and 736 services for Maria M. Herrera. This counts Original Medicare only and measures volume, not quality.
- What is Maria M. Herrera's NPI number?
- 1952627473. 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 Maria M. Herrera, 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 | 239 |
|---|---|
| Services billed to Medicare | 736 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)142 services
- Critical care, first 30-74 minutes (99291)88 services
- Test to measure expiratory airflow and volume changes before and after medication administration (94060)55 services
- Test to examine how well the lungs exchange gases (94729)52 services
- Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)46 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 cholesterol66%
- COPD57%
- Arthritis43%
- Heart failure39%
- Ischemic heart disease38%
Hospitals where Maria M. Herrera works
Medicare's Facility Affiliation Data lists Maria M. Herrera 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
- East Morgan County HospitalBrush, CO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 061303
- Sterling Regional MedcenterSterling, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060076
Practice locations
Addresses where Maria M. Herrera is enrolled with Medicare (CMS data updated October 2, 2026).
- 1801 16th St, Suite C2bGreeley, CO 80631 (970) 810‑4121
- 1900 Boise Ave, Suite 220Loveland, CO 80538 (970) 820‑2120
Group practices
Medicare enrollment lists Maria M. Herrera as a member of this group (CMS data updated October 2, 2026).
- Banner Health Physicians Colorado LLC261 clinicians in the group
Specialties
Other pulmonologists in Greeley
Clinicians with the same Medicare primary specialty in Greeley, CO — not a recommendation.
Other clinicians in Banner Health Physicians Colorado LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952627473 |
| 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