Christopher Wallace, M.D.
NPI 1871520015 · Emergency Medicine Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Wallace, M.D. is a Emergency Medicine Physician provider in Vallejo, CA (NPI 1871520015).
Provider details
- NPI number
- 1871520015
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A72335 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,216 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 35 Minutes99232 | 784 | $84 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 211 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 207 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $184 |
Typical Medicare-allowed amounts for these services range $84–$184 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 37 | 15 |
| Cefpodoxime Proxetil | 31 | 30 |
| Pantoprazole Sodium | 29 | 15 |
| Atorvastatin Calcium | 23 | 13 |
| Carvedilol | 23 | — |
| Apixabanbrand: Eliquis | 22 | — |
| Lisinopril | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Wallace's NPI number?
- Christopher Wallace's National Provider Identifier (NPI) is 1871520015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Wallace's specialty?
- Christopher Wallace is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Wallace located?
- Christopher Wallace's practice location on file with NPPES is Sutter Solano Medical Center, Vallejo, CA 94589.
- What is Christopher Wallace's phone number?
- The practice phone number listed in the NPPES registry for Christopher Wallace is (707) 554-4444.
- Does Christopher Wallace accept Medicare?
- Christopher Wallace is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Wallace's NPI active?
- Yes — Christopher Wallace's NPI (1871520015) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.