Christina Veenstra, MD
NPI 1124255369 · Internal Medicine Physician · Flagstaff, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Veenstra, MD is a Internal Medicine Physician provider in Flagstaff, AZ (NPI 1124255369).
Provider details
- NPI number
- 1124255369
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 47678 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,234 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 659 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 276 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 201 | $160 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 63 | $73 |
| Critical Care, First 30-74 Minutes99291 | 35 | $195 |
Typical Medicare-allowed amounts for these services range $73–$195 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 37 | 34 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 36 | 36 |
| Furosemide | 15 | 14 |
| Apixabanbrand: Eliquis | 14 | 11 |
| Potassium Chloride | 13 | — |
| Spironolactone | 13 | — |
| Metoprolol Tartrate | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-15
- Last updated
- 2022-11-03
- Certified
- 2022-11-03
Frequently asked questions
- What is Christina Veenstra's NPI number?
- Christina Veenstra's National Provider Identifier (NPI) is 1124255369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Veenstra's specialty?
- Christina Veenstra is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Veenstra located?
- Christina Veenstra's practice location on file with NPPES is 1200 N Beaver St, Flagstaff, AZ 86001-3118.
- What is Christina Veenstra's phone number?
- The practice phone number listed in the NPPES registry for Christina Veenstra is (928) 773-2451.
- Does Christina Veenstra accept Medicare?
- Christina Veenstra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Veenstra's NPI active?
- Yes — Christina Veenstra's NPI (1124255369) is active in the NPPES registry as of the last update on 2022-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.