David Marshall Johnson, PA-C
Physician Assistant · Dearborn, MI
David Marshall Johnson, PA-C is a physician assistant with a practice address in Dearborn, Michigan, and NPI 1235208364, issued on Nov 6, 2006. Check the license (Michigan 5601003988, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Marshall Johnson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601003988 MI
Self-reported in NPPES; status is on the state search - Practice location
- 18101 Oakwood Blvd, Dearborn, MI 48124
- Phone
- (313) 982-5440
- Enumerated
- Nov 6, 2006
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20060324000303); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 18101 Oakwood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Marshall Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601003988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
16 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.73
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Beaumont Medical Group Hospital Based ServicesDearborn, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Marshall Johnson among 6,989 physician assistant records in Michigan
David Marshall Johnson, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% 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, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2002 · median 2017 among the 4,739 with a school on file
- Record last updated2022 · 40% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 physician assistant records list a practice address in Dearborn
They are 107 of the 5,481 NPPES records with a practice address in Dearborn, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Dearborn → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelli Beaudoin, PADearborn, MI 481241891725495
- Adam Focht, PADearborn, MI 481241316138118
- Kelly Gingras, PA-CDearborn, MI 481241972551935
- Melina Holyszko, PA-C, ATCDearborn, MI 481241326175621
- Tabitha Kildani, PADearborn, MI 481241770788226
- Nicole Miller, PACDearborn, MI 481241801053285
- Marguerite Orosz, PACDearborn, MI 481241982617874
- McKenzie Platt, P.A.Dearborn, MI 481241306974639
Common questions
What is David Marshall Johnson, PA-C's NPI number?
David Marshall Johnson, PA-C's National Provider Identifier (NPI) is 1235208364, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Marshall Johnson, PA-C located?
The NPPES record lists a practice address at 18101 Oakwood Blvd, Dearborn, MI, 48124. Phone: (313) 982-5440. Providers update this record themselves, so call before visiting.
How can I verify David Marshall Johnson, PA-C's license?
NPPES lists Michigan license number 5601003988, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does David Marshall Johnson, PA-C prescribe under Medicare Part D?
In 2024, David Marshall Johnson, PA-C had 16 Medicare Part D claims; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is David Marshall Johnson, PA-C's MIPS final score?
The 2023 MIPS final score is 84.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.