Quick answers
- Does Christine A. Harter accept Medicare assignment?
- Yes. Medicare's clinician data says Christine A. Harter 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 Christine A. Harter see?
- In 2024, CMS data shows 245 Original Medicare patients and 8,796 services for Christine A. Harter. This counts Original Medicare only and measures volume, not quality.
- What is Christine A. Harter's NPI number?
- 1639133903. 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 Christine A. Harter, 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 | 245 |
|---|---|
| Services billed to Medicare | 8,796 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)7,582 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)336 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)256 services
- Insertion of needle into vein for collection of blood sample (36415)131 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)121 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 pressure68%
- High cholesterol67%
- Arthritis47%
- Chronic kidney disease28%
- Anxiety27%
- Depression21%
Practice locations
Addresses where Christine A. Harter is enrolled with Medicare (CMS data updated October 2, 2026).
- 10000 N 31st Ave, Suite D119Phoenix, AZ 85051 (602) 742‑0370
- 18700 N 64th Dr, Suite 301Glendale, AZ 85308 (602) 674‑6582
Group practices
Medicare enrollment lists Christine A. Harter as a member of these groups (CMS data updated October 2, 2026).
- VHS Outpatient Clinics Inc208 clinicians in the group
- Caring Hearts Medical LLC2 clinicians in the group
Specialties
Other internal medicine doctors in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in VHS Outpatient Clinics Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639133903 |
| 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