Christina Foster, PA-C
NPI 1649321837 · Physician Assistant · Peoria, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Foster, PA-C is a Physician Assistant provider in Peoria, AZ (NPI 1649321837).
Provider details
- NPI number
- 1649321837
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 3399 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
710 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| 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'SG2211 | 266 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 225 | $74 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 112 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 89 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $137 |
Typical Medicare-allowed amounts for these services range $12–$137 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 275 | 60 |
| Hydroxychloroquine Sulfate | 271 | 75 |
| Methotrexate Sodiumbrand: Methotrexate | 197 | 48 |
| Azathioprine | 71 | 16 |
| Gabapentin | 55 | 15 |
| Methocarbamol | 48 | 14 |
| Cyclobenzaprine Hcl | 46 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,468 across 110 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-15
- Last updated
- 2016-07-14
Frequently asked questions
- What is Christina Foster's NPI number?
- Christina Foster's National Provider Identifier (NPI) is 1649321837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Foster's specialty?
- Christina Foster is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Foster located?
- Christina Foster's practice location on file with NPPES is 13943 N. 91st Ave, Building I, Peoria, AZ 85381-3692.
- What is Christina Foster's phone number?
- The practice phone number listed in the NPPES registry for Christina Foster is (623) 815-2690.
- Does Christina Foster accept Medicare?
- Christina Foster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Foster's NPI active?
- Yes — Christina Foster's NPI (1649321837) is active in the NPPES registry as of the last update on 2016-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.