Christopher Gilsdorf, D.O., M.S.
NPI 1265889000 · Emergency Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Gilsdorf, D.O., M.S. is a Emergency Medicine Physician provider in Knoxville, TN (NPI 1265889000).
Provider details
- NPI number
- 1265889000
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O., M.S.
- Sex
- Male
- Sole proprietor
- No
- License
- 3461 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
379 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 233 | $161 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 83 | $111 |
| Critical Care, First 30-74 Minutes99291 | 52 | $195 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 11 | $65 |
Typical Medicare-allowed amounts for these services range $65–$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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 75 | 72 |
| Ondansetron Hcl | 54 | 54 |
| Prednisone | 44 | 44 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 38 | 38 |
| Azithromycin | 33 | 33 |
| Clonidine Hcl | 30 | 30 |
| Cyclobenzaprine Hcl | 30 | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-23
- Last updated
- 2019-12-09
- Certified
- 2019-12-09
Frequently asked questions
- What is Christopher Gilsdorf's NPI number?
- Christopher Gilsdorf's National Provider Identifier (NPI) is 1265889000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Gilsdorf's specialty?
- Christopher Gilsdorf is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Gilsdorf located?
- Christopher Gilsdorf's practice location on file with NPPES is 1924 Alcoa Hwy, Knoxville, TN 37920-1511.
- What is Christopher Gilsdorf's phone number?
- The practice phone number listed in the NPPES registry for Christopher Gilsdorf is (865) 305-9290.
- Does Christopher Gilsdorf accept Medicare?
- Christopher Gilsdorf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Gilsdorf's NPI active?
- Yes — Christopher Gilsdorf's NPI (1265889000) is active in the NPPES registry as of the last update on 2019-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.