Siroth Charnond, M.D.
NPI 1265421218 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siroth Charnond, M.D. is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1265421218).
Provider details
- NPI number
- 1265421218
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 108377 (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
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
106 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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 45 | $54 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 25 | $69 |
| Hemoglobin A1c Level83036 | 22 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 14 | $124 |
Typical Medicare-allowed amounts for these services range $10–$124 (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 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 425 | 174 |
| Amlodipine Besylate | 307 | 128 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 204 | 71 |
| Losartan Potassium | 146 | 61 |
| Lisinopril | 142 | 56 |
| Gabapentin | 141 | 52 |
Practice location
Mailing address
Additional practice locations (5)
- 2420 State StEast Saint Louis, IL 62205-2321Phone: (618) 318-8809
- 7421 S Outer 364Dardenne Prairie, MO 63368-7014Phone: (636) 561-8100Fax: (636) 561-3396
- 16659 E 23rd St SIndependence, MO 64055-1922Phone: (816) 688-6000Fax: (816) 631-1885
- 8033 W Florissant Ave Ste aJennings, MO 63136-1412Phone: (314) 888-0971Fax: (314) 408-7062
- 3863a Gravois AveSaint Louis, MO 63116-4657Phone: (314) 888-0981Fax: (314) 442-7794
Registry dates
- Enumerated
- 2005-10-20
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Siroth Charnond's NPI number?
- Siroth Charnond's National Provider Identifier (NPI) is 1265421218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siroth Charnond's specialty?
- Siroth Charnond is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siroth Charnond located?
- Siroth Charnond's practice location on file with NPPES is 3451 Union Blvd, Saint Louis, MO 63115-1142.
- What is Siroth Charnond's phone number?
- The practice phone number listed in the NPPES registry for Siroth Charnond is (314) 888-0970.
- Does Siroth Charnond accept Medicare?
- Siroth Charnond is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siroth Charnond's NPI active?
- Yes — Siroth Charnond's NPI (1265421218) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.