NPPES file of Aug 9, 2026

Mary Catherine Whiteside

Physician Assistant · Norfolk, VA

Mary Catherine Whiteside is a physician assistant with a practice address in Norfolk, Virginia, and NPI 1790403301, issued on Aug 19, 2022. Check the license with the Virginia 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
1790403301
Name
Mary Catherine Whiteside
Primary taxonomy
Physician Assistant 363A00000X
Practice location
6379 Center Dr, Norfolk, VA 23502
Phone
(757) 467-4200
Enumerated
Aug 19, 2022
Record last updated
Aug 11, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6379 Center Dr

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

  1. Haley Barnes, PAPhysician Assistant1386490357
  2. Jared BethelPhysician Assistant1295529683
  3. Emily Brush, PA-CMedical Physician Assistant1346059276
  4. Grace CarloPhysician Assistant1063305829
  5. Hailey CashPhysician Assistant1144158833
  6. Emily Cole, PAMedical Physician Assistant1124763677

Verify Mary Catherine Whiteside in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck 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 Virginia license search

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89% fewer Medicare Part D claims than the average physician assistant in 2024

90 Medicare Part D claims for 62 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Mary Whiteside90
  2. Specialty average830

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): 96.7 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.

  1. Qualityout of 100 · 30% of the final score93.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Mary Catherine Whiteside among 4,408 physician assistant records in Virginia

Mary Catherine Whiteside is one of 4,408 physician assistant records with a practice address in Virginia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 70% of them.

  • NPI issued2022 · 70% of these records are older, 24% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2023 · 33% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

309 physician assistant records list a practice address in Norfolk

They are 309 of the 5,993 NPPES records with a practice address in Norfolk, and 4,408 physician assistant records in Virginia.

The 8 physician assistant records with the nearest ZIP codes

  1. Melissa Alcox, PANorfolk, VA 235021790738029
  2. Amy Barco, PANorfolk, VA 235021316194400
  3. Andrea Foster, PANorfolk, VA 235021376549758
  4. Kimberly Frye, P.A.Norfolk, VA 235021831104710
  5. Julie Johnson, PA-CNorfolk, VA 235021568512465
  6. Joshua Lagasse, PA-CNorfolk, VA 235021972709145
  7. Barbara Morrison, PA-CNorfolk, VA 235021508850207
  8. Maria Penalosa, PACNorfolk, VA 235021083673586

Common questions

What is Mary Catherine Whiteside's NPI number?

Mary Catherine Whiteside's National Provider Identifier (NPI) is 1790403301, issued on Aug 19, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mary Catherine Whiteside located?

The NPPES record lists a practice address at 6379 Center Dr, Norfolk, VA, 23502. Phone: (757) 467-4200. Providers update this record themselves, so call before visiting.

How can I verify Mary Catherine Whiteside's license?

Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Catherine Whiteside prescribe under Medicare Part D?

In 2024, Mary Catherine Whiteside had 90 Medicare Part D claims for 62 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Mary Catherine Whiteside's MIPS final score?

The 2023 MIPS final score is 96.7 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.