James Kneff, MD
NPI 1639256183 · Emergency Medicine Physician · Fort Stewart, GA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Kneff, MD is a Emergency Medicine Physician provider in Fort Stewart, GA (NPI 1639256183).
Provider details
- NPI number
- 1639256183
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40718 (TN)
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
716 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 | 331 | $161 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 242 | $7 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 97 | $111 |
| Critical Care, First 30-74 Minutes99291 | 46 | $196 |
Typical Medicare-allowed amounts for these services range $7–$196 (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 |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 48 | 48 |
| Ondansetronbrand: Ondansetron Odt | 39 | 39 |
| Methylprednisolone | 28 | 28 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 25 | 25 |
| Prednisone | 25 | 25 |
| Cephalexin | 19 | 19 |
| Tramadol Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 800 S Mohawk Dr Ste CErwin, TN 37650-2124Phone: (423) 735-4750
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is James Kneff's NPI number?
- James Kneff's National Provider Identifier (NPI) is 1639256183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Kneff's specialty?
- James Kneff is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Kneff located?
- James Kneff's practice location on file with NPPES is 1061 Harmon Ave, Fort Stewart, GA 31314-5604.
- What is James Kneff's phone number?
- The practice phone number listed in the NPPES registry for James Kneff is (912) 435-6837.
- Does James Kneff accept Medicare?
- James Kneff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Kneff's NPI active?
- Yes — James Kneff's NPI (1639256183) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.