Matthew Meier
NPI 1578574372 · Internal Medicine Physician · O Fallon, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Meier is a Internal Medicine Physician provider in O Fallon, MO (NPI 1578574372).
Provider details
- NPI number
- 1578574372
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- DOR9J58 (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
19 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
690 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 128 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 125 | $87 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 91 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 86 | $124 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 84 | $24 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 242 | 66 |
| Amlodipine Besylate | 241 | 61 |
| Omeprazole | 227 | 58 |
| Rosuvastatin Calcium | 220 | 68 |
| Lisinopril | 209 | 55 |
| Simvastatin | 207 | 55 |
| Levothyroxine Sodium | 205 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,427 across 44 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
- 2006-08-10
- Last updated
- 2011-04-05
Frequently asked questions
- What is Matthew Meier's NPI number?
- Matthew Meier's National Provider Identifier (NPI) is 1578574372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Meier's specialty?
- Matthew Meier is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Meier located?
- Matthew Meier's practice location on file with NPPES is 1002 Peruque Crossing Ct, O Fallon, MO 63366-2362.
- What is Matthew Meier's phone number?
- The practice phone number listed in the NPPES registry for Matthew Meier is (636) 294-5757.
- Does Matthew Meier accept Medicare?
- Matthew Meier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Meier's NPI active?
- Yes — Matthew Meier's NPI (1578574372) is active in the NPPES registry as of the last update on 2011-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.