Quick answers
- Does Cristina B. Mullenix accept Medicare assignment?
- Yes. Medicare's clinician data says Cristina B. Mullenix 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 Cristina B. Mullenix see?
- In 2024, CMS data shows 340 Original Medicare patients and 1,467 services for Cristina B. Mullenix. This counts Original Medicare only and measures volume, not quality.
- What is Cristina B. Mullenix's NPI number?
- 1750924841. 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 Cristina B. Mullenix, 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 | 340 |
|---|---|
| Services billed to Medicare | 1,467 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)326 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)277 services
- Assessment of emotional or behavioral problems (96127)118 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)97 services
- Administration and interpretation of patient-focused health risk assessment (96160)75 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 cholesterol75%
- Arthritis39%
- Diabetes32%
- Osteoporosis22%
- Anxiety19%
Hospitals where Cristina B. Mullenix works
Medicare's Facility Affiliation Data lists Cristina B. Mullenix 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.
- Chinle Comprehensive Health Care FacilityChinle, AZ · Acute Care Hospital · Emergency services: listed by Medicare · CCN 030084
- Rehoboth McKinley Christian Health Care ServicesGallup, NM · Critical Access Hospital · Emergency services: listed by Medicare · CCN 321313
Practice locations
Addresses where Cristina B. Mullenix is enrolled with Medicare (CMS data updated October 2, 2026).
- 2175 State Rd, Suite 4Pinon, AZ 86510 (928) 725‑9000
- Highway 191 and Hospital RdChinle, AZ 86503
Group practices
Medicare enrollment lists Cristina B. Mullenix as a member of this group (CMS data updated October 2, 2026).
- DHHS PHS Naihs Chinle Comprehensive Health Care Facility152 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Arizona
Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.
Other clinicians in DHHS PHS Naihs Chinle Comprehensive Health Care Facility
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750924841 |
| 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