Christian Larsen, MD
NPI 1124477419 · Infectious Disease Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christian Larsen, MD is a Infectious Disease Physician provider in Dallas, TX (NPI 1124477419).
Provider details
- NPI number
- 1124477419
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- T3122 (TX)
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
10 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
320 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 | 130 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 71 | $126 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 44 | $175 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 23 | $115 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
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) |
|---|---|
| Isoniazid | 39 |
| Fosfomycin Tromethamine | 17 |
| Nitrofurantoin Macrocrystalbrand: Nitrofurantoin | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 |
| Fluconazole | 13 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 13 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 12 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 12 |
| Posaconazole | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-07
- Last updated
- 2021-10-01
- Certified
- 2021-10-01
Frequently asked questions
- What is Christian Larsen's NPI number?
- Christian Larsen's National Provider Identifier (NPI) is 1124477419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christian Larsen's specialty?
- Christian Larsen is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Christian Larsen located?
- Christian Larsen's practice location on file with NPPES is 6201 Harry Hines Blvd, Dallas, TX 75390-0001.
- What is Christian Larsen's phone number?
- The practice phone number listed in the NPPES registry for Christian Larsen is (214) 633-5555.
- Does Christian Larsen accept Medicare?
- Christian Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christian Larsen's NPI active?
- Yes — Christian Larsen's NPI (1124477419) is active in the NPPES registry as of the last update on 2021-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.