James Siler, MD
NPI 1114996907 · Internal Medicine Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Siler, MD is a Internal Medicine Physician provider in Springfield, MO (NPI 1114996907).
Provider details
- NPI number
- 1114996907
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2019001303 (MO)
Specialties & taxonomies
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
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
828 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 454 | $117 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 204 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $83 |
| Administration of Influenza Virus VaccineG0008 | 44 | $30 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $150 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare Enrollment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 159 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 801 | 250 |
| Levothyroxine Sodium | 510 | 139 |
| Losartan Potassium | 420 | 133 |
| Rosuvastatin Calcium | 373 | 118 |
| Amlodipine Besylate | 340 | 110 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 298 | 72 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-15
- Last updated
- 2019-02-12
Frequently asked questions
- What is James Siler's NPI number?
- James Siler's National Provider Identifier (NPI) is 1114996907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Siler's specialty?
- James Siler is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Siler located?
- James Siler's practice location on file with NPPES is 3231 S National Ave Ste 300, Springfield, MO 65807-7304.
- What is James Siler's phone number?
- The practice phone number listed in the NPPES registry for James Siler is (417) 888-5658.
- Does James Siler accept Medicare?
- James Siler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Siler's NPI active?
- Yes — James Siler's NPI (1114996907) is active in the NPPES registry as of the last update on 2019-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.