Matthew Brent Callen, PA
Physician Assistant · Saint Louis, MO
Matthew Brent Callen, PA is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1497762793, issued on Aug 1, 2006. Check the license (Missouri 2004002147, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Brent Callen
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 2004002147 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Childrens PL, Saint Louis, MO 63110
- Phone
- (314) 454-2810
- Enumerated
- Aug 1, 2006
- Record last updated
- Jul 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (314) 454-2818
- Medicare enrollment
- Enrolled (PECOS I20040617000192); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →
Also registered at 1 Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelbaki, MDPediatric Hematology & Oncology Physician1508021361
- Christi Abeln, PNPPediatric Nurse Practitioner1023034253
- Loren Abernathy, PNPPediatric Nurse Practitioner1215583117
- Freddy-May Abisamra, CGCGenetic Counselor (M.S.)1306538111
- Manjusha Abraham, MDPediatric Critical Care Medicine Physician1508126699
- Philip Abraham, MDHospitalist Physician1720309016
Verify Matthew Brent Callen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2004002147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average physician assistant in 2024
54 Medicare Part D claims for 34 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $277.43
7 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Clinic Springfield CommunitiesSpringfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Brent Callen among 1,790 physician assistant records in Missouri
Matthew Brent Callen, PA is one of 1,790 physician assistant records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 86% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2003 · median 2019 among the 1,250 with a school on file
- Record last updated2008 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
498 physician assistant records list a practice address in Saint Louis
They are 498 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,790 physician assistant records in Missouri.
All 1,790 in Missouri → Every provider in Saint Louis → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- David Autry, PASaint Louis, MO 631101578587796
- Michael Cracchiolo, PASaint Louis, MO 631101891713350
- Jennifer Ehret, PASaint Louis, MO 631101679591101
- Mary Fujarski, PASaint Louis, MO 631101225054547
- Angela Gieseler, PASaint Louis, MO 631101114995818
- Philana Liang, PASaint Louis, MO 631101831130533
- Rebecca Loveless, PASaint Louis, MO 631101649218470
- Nicole Meyer, PASaint Louis, MO 631101962429480
Common questions
What is Matthew Brent Callen, PA's NPI number?
Matthew Brent Callen, PA's National Provider Identifier (NPI) is 1497762793, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Brent Callen, PA located?
The NPPES record lists a practice address at 1 Childrens PL, Saint Louis, MO, 63110. Phone: (314) 454-2810. Providers update this record themselves, so call before visiting.
How can I verify Matthew Brent Callen, PA's license?
NPPES lists Missouri license number 2004002147, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Brent Callen, PA prescribe under Medicare Part D?
In 2024, Matthew Brent Callen, PA had 54 Medicare Part D claims for 34 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.