Daniel Marion, M.D.
NPI 1275875908 · Internal Medicine Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Marion, M.D. is a Internal Medicine Physician provider in Chesterfield, MO (NPI 1275875908).
Provider details
- NPI number
- 1275875908
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2016018222 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,672 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 656 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 632 | $124 |
| Administration of Pneumococcal VaccineG0009 | 146 | $31 |
| Administration of Influenza Virus VaccineG0008 | 94 | $31 |
| Hemoglobin A1c Level83036 | 77 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 190 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 1,482 | 404 |
| Rosuvastatin Calcium | 1,428 | 396 |
| Atorvastatin Calcium | 1,122 | 288 |
| Levothyroxine Sodium | 715 | 178 |
| Losartan Potassium | 695 | 188 |
| Metoprolol Succinate | 677 | 197 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,190 across 123 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-20
- Last updated
- 2016-11-22
Frequently asked questions
- What is Daniel Marion's NPI number?
- Daniel Marion's National Provider Identifier (NPI) is 1275875908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Marion's specialty?
- Daniel Marion is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Marion located?
- Daniel Marion's practice location on file with NPPES is 121 Saint Lukes Center Dr, Chesterfield, MO 63017-3518.
- What is Daniel Marion's phone number?
- The practice phone number listed in the NPPES registry for Daniel Marion is (314) 205-6160.
- Does Daniel Marion accept Medicare?
- Daniel Marion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Marion's NPI active?
- Yes — Daniel Marion's NPI (1275875908) is active in the NPPES registry as of the last update on 2016-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.