Matthew W. Meier
- Medicare services, 2024
- 737
- Medicare patients, 2024
- 158
- Part D claims, 2024
- 6,669
- Hospital affiliations
- 3
- Industry payments
- $15,647
- Practice address
- 1002 Peruque Crossing Ct, O Fallon, MO 63366
- Practice phone
- Call (636) 294-5757
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Matthew W Meier
O Fallon, Missouri
Find Matthew Meier's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Matthew W. Meier is an internist in O Fallon, Missouri
Matthew Meier practices at Matthew W Meier in O Fallon, Missouri.
Matthew Meier's NPI, 1578574372, was assigned on August 10, 2006. Matthew Meier holds Missouri license DOR9J58.
- NPI
- 1578574372NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416097787
- NPI enumeration date
- August 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 294-5757
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew W. Meier practices at Matthew W Meier in O Fallon, Missouri
Matthew Meier's primary practice is Matthew W Meier, at 1002 Peruque Crossing Ct, O Fallon, MO 63366 in Saint Charles County. The practice phone is (636) 294-5757.
- Matthew W Meier1002 Peruque Crossing Ct, O Fallon, MO 63366 · Saint Charles CountyPhone(636) 294-5757
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Matthew W. Meier is affiliated with 6 sites of care
Matthew Meier's primary practice is Matthew W Meier in O Fallon, Missouri. Matthew Meier is also affiliated with SSM Health Rehabilitation Hospital - Richmond Heights. Dmand AI also links Matthew Meier to 2 more hospitals, 1 physician office and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Matthew W. Meier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Meier practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Matthew W Meier | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Matthew W. Meier is one of 2,114 internists in Missouri
Internal medicine is Matthew Meier's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Matthew Meier is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Matthew Meier
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Matthew W. Meier billed Medicare for 737 services in 2024
CMS data shows 737 Medicare services from Matthew Meier across 11 procedure codes in 2024, for 158 Medicare patients. Medicare paid $45,760 for them.
Matthew Meier's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 2952024: 37025%
- Office and hospital visits
- 2023: 8102024: 32060%
- Tests and treatments
- 2023: 392024: 4721%
Where Matthew Meier's Medicare services took place, 2024
- In an office67091%
- In a facility679%
Matthew Meier compared with the Missouri median for internists, 2024
- Matthew Meier
- Missouri median
- Medicare services
- 737vs 53039% above
- Medicare patients
- 158vs 21125% below
- Part D claims
- 6,022vs 32518.5 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Matthew Meier's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Matthew Meier?
Medicare shows one payer. Book a meeting to get commercial claims data for Matthew Meier and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Matthew W. Meier treated 158 Medicare patients in 2024, average age 74
CMS counts 158 Medicare patients who saw Matthew Meier in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Matthew Meier's median patient age at 68, with 43% women.
Matthew Meier's Medicare patients by age, 2024
Matthew Meier's Medicare patients by sex, 2024
- Women6742%
- Men9158%
Chronic conditions among Matthew Meier's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes40%
- Ischemic heart disease30%
- Chronic kidney disease28%
- Mood disorders27%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Matthew Meier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Matthew W. Meier wrote 6,669 Medicare Part D claims in 2024
In 2024, Matthew Meier wrote 6,669 Medicare Part D claims for 426 patients. 84% of them were for generic drugs. CMS names the drug for 6,022 of them, across 113 drugs with 11 or more claims each, at $675,467 in total drug cost. In 2023, CMS named 5,500 claims across 108 drugs.
Matthew Meier's Part D claims by kind of drug, 2024
- Generic5,614 claims84%
- Brand-name1,029 claims15%
- Other26 claims0%
Matthew Meier's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Matthew Meier's Part D claims, 2024
- Opioids3%167 of 6,669 claims
- Antibiotics3%167 of 6,669 claims
- Antipsychotics, patients 65 and over1%38 of 6,669 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,5002024: 6,0229%
Drugs named by CMS: 113 in 2024, 108 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Matthew W. Meier takes part in Medicare
Matthew Meier accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Matthew W. Meier received $15,647 in industry payments from 2016 to 2025
CMS Open Payments shows 672 general payments to Matthew Meier from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $2,674.
General payments to Matthew Meier by program year, 2016 to 2025
General payments to Matthew Meier by kind, 2016 to 2025
- Food and beverage$15,592100%
- Education$560%
Companies that paid Matthew Meier the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Matthew W. Meier's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Matthew W. Meier
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Matthew W. Meier's NPI number?
Matthew W. Meier's NPI number is 1578574372. It was assigned on August 10, 2006, and it is active in the NPI Registry.
What does Matthew W. Meier specialize in?
Matthew W. Meier is an internist in O Fallon, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Matthew W. Meier practice?
Matthew Meier practices at 1002 Peruque Crossing Ct, O Fallon, MO 63366. Matthew Meier's primary practice is Matthew W Meier in O Fallon, Missouri. Dmand AI also links Matthew Meier to 2 hospitals, 1 physician office and 1 hospice.
What is Matthew W. Meier's office phone number?
The practice phone on file for Matthew Meier is (636) 294-5757.
What is Matthew W. Meier's medical license number?
Matthew Meier holds Missouri license DOR9J58.
Which hospitals is Matthew W. Meier affiliated with?
Matthew Meier is affiliated with SSM Health Rehabilitation Hospital - Richmond Heights. Dmand AI links Matthew Meier to 2 more hospitals.
Does Matthew W. Meier accept Medicare?
Yes. CMS data shows Matthew Meier billed Medicare for 737 services in 2024, and Matthew Meier accepts Medicare assignment.
How many Medicare patients does Matthew W. Meier see?
CMS counts 158 Medicare patients who saw Matthew Meier in 2024, with an average age of 74.
What services does Matthew W. Meier bill to Medicare?
In 2024, Matthew Meier's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0444).
What drugs does Matthew W. Meier prescribe most?
In 2024 Medicare Part D data, Matthew Meier's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Omeprazole.
Has Matthew W. Meier received payments from drug or device companies?
CMS Open Payments shows $15,647 in general payments to Matthew Meier from 49 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Matthew W. Meier been practicing?
Matthew Meier graduated from medical school in 1988, 38 years ago.
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