NPPES file of Aug 9, 2026

Wendy J. Johnston, PA-C

Surgical Physician Assistant · Scarborough, ME

Wendy J. Johnston, PA-C is a surgical physician assistant with a practice address in Scarborough, Maine, and NPI 1427093491, issued on Jun 16, 2006. Check the license (Maine PA-539, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427093491
Name
Wendy J. Johnston
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA-539 ME
Self-reported in NPPES; status is on the state search
Practice location
49 Spring St, Scarborough, ME 04074
Phone
(207) 885-4479
Enumerated
Jun 16, 2006
Record last updated
Mar 24, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(207) 883-2586
Medicaid ID
293000099 ME
Medicare enrollment
Enrolled (PECOS I20070905000437); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 49 Spring St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joseph Alexander, MDNeurological Surgery Physician1457331035
  2. Elizabeth Anderson, PA-CSurgical Physician Assistant1467496414
  3. Jason Aucoin, ANPAdult Health Nurse Practitioner1316032824
  4. Nancy Ball, MDPhysical Medicine & Rehabilitation Physician1841234234
  5. Konrad Barth, MDNeurological Surgery Physician1558307330
  6. John Belden, M.D.Neurology Physician1194725754

Verify Wendy J. Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license PA-539
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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65% fewer Medicare Part D claims than the average surgical physician assistant in 2024

105 Medicare Part D claims for 74 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 35 claims were for opioids.

  1. Wendy Johnston105
  2. Specialty average304

Most prescribed

  1. Oxycodone Hcl28 claims
  2. Methylprednisolone16 claims
  3. Gabapentin15 claims
  4. Cyclobenzaprine Hcl14 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.

The MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Wendy J. Johnston among 205 surgical physician assistant records in Maine

Wendy J. Johnston, PA-C is one of 205 surgical physician assistant records with a practice address in Maine. 91% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 70% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated1995 · median 2013 among the 170 with a school on file
  • Record last updated2011 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 surgical physician assistant records list a practice address in Scarborough

They are 23 of the 1,043 NPPES records with a practice address in Scarborough, and 205 surgical physician assistant records in Maine.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Elizabeth Anderson, PA-CScarborough, ME 040741467496414
  2. Ryan Card, PA-CScarborough, ME 040741477584613
  3. Anne Ecker, PA-CScarborough, ME 040741730413410
  4. Matthew Johnson, PA-CScarborough, ME 040741972547404
  5. Dawn Klinner-Albright, P.A.Scarborough, ME 040741023148459
  6. Joseph Perocier, PA-CScarborough, ME 040741922252774
  7. Joseph Porreco, PA-CScarborough, ME 040741538421284
  8. Jesse Ritch, PA-CScarborough, ME 040741164671590

Common questions

What is Wendy J. Johnston, PA-C's NPI number?

Wendy J. Johnston, PA-C's National Provider Identifier (NPI) is 1427093491, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wendy J. Johnston, PA-C located?

The NPPES record lists a practice address at 49 Spring St, Scarborough, ME, 04074. Phone: (207) 885-4479. Providers update this record themselves, so call before visiting.

How can I verify Wendy J. Johnston, PA-C's license?

NPPES lists Maine license number PA-539, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Wendy J. Johnston, PA-C prescribe under Medicare Part D?

In 2024, Wendy J. Johnston, PA-C had 105 Medicare Part D claims for 74 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

What is Wendy J. Johnston, PA-C's MIPS final score?

The 2023 MIPS final score is 98.1 of 100. 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.