Paul J. Diesfeld, PA-C
Physician Assistant · Bridgeton, MO
Paul J. Diesfeld, PA-C is a physician assistant with a practice address in Bridgeton, Missouri, and NPI 1396796041, issued on May 15, 2006. Check the license (Missouri 119779, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Paul J. Diesfeld
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 119779 MO
Self-reported in NPPES; status is on the state search - Practice location
- 12349 DE Paul Dr Ste 100, Bridgeton, MO 63044
- Phone
- (314) 291-3399
- Enumerated
- May 15, 2006
- Record last updated
- Oct 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100805000757); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →
Also registered at 12349 DE Paul Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Paul J. Diesfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 119779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average physician assistant in 2024
818 Medicare Part D claims for 310 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
- Meloxicam432 claims
- Celecoxib261 claims
- Methylprednisolone39 claims
- Amoxicillin25 claims
- Cephalexin21 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: $145.13
2 payments; by number, the most common kind was food and beverage; the largest payer was Heron Therapeutics, 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
- Ssm Medical Group IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul J. Diesfeld among 1,790 physician assistant records in Missouri
Paul J. Diesfeld, PA-C 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
- Graduated1996 · median 2019 among the 1,250 with a school on file
- Record last updated2020 · 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).
20 physician assistant records list a practice address in Bridgeton
They are 20 of the 1,095 NPPES records with a practice address in Bridgeton, and 1,790 physician assistant records in Missouri.
All 1,790 in Missouri → Every provider in Bridgeton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Shannon Bast, PABridgeton, MO 630441760946669
- Michele Bena, PA-CBridgeton, MO 630441720127012
- Elizabeth Bokermann, PABridgeton, MO 630441679968135
- Laura FischerBridgeton, MO 630441023638038
- Courtney Grodie, PABridgeton, MO 630441437590437
- Amber Johnson, PAC MMSBridgeton, MO 630441275706913
- Kimberly Luu, PABridgeton, MO 630441669553590
- Cole McCormick, PABridgeton, MO 630441811447139
Common questions
What is Paul J. Diesfeld, PA-C's NPI number?
Paul J. Diesfeld, PA-C's National Provider Identifier (NPI) is 1396796041, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul J. Diesfeld, PA-C located?
The NPPES record lists a practice address at 12349 DE Paul Dr Ste 100, Bridgeton, MO, 63044. Phone: (314) 291-3399. Providers update this record themselves, so call before visiting.
How can I verify Paul J. Diesfeld, PA-C's license?
NPPES lists Missouri license number 119779, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Paul J. Diesfeld, PA-C prescribe under Medicare Part D?
In 2024, Paul J. Diesfeld, PA-C had 818 Medicare Part D claims for 310 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.