NPPES file of Aug 9, 2026

Kristian Williams Johnston, PA

Physician Assistant · Tamarac, FL

Kristian Williams Johnston, PA is a physician assistant with a practice address in Tamarac, Florida, and NPI 1962891499, issued on Jan 21, 2015. Check the license (Florida PA9108516, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1962891499
Name
Kristian Williams Johnston
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA9108516 FL
Self-reported in NPPES; status is on the state search
Practice location
7421 N. University Drive, Tamarac, FL 33321
Phone
(954) 720-7272
Enumerated
Jan 21, 2015
Record last updated
Sep 18, 2023
Medicare enrollment
Enrolled (PECOS I20150508001302); accepts Medicare assignment
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 7421 N. University Drive

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

  1. Angela Combs, D.O.Dermatology Physician1336331453
  2. Denise Guevara, D.O.Dermatology Physician1356644264

Verify Kristian Williams Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license PA9108516
    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
Open the Florida 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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6% more Medicare Part D claims than the average physician assistant in 2024

883 Medicare Part D claims for 312 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Kristian Johnston883
  2. Specialty average830

Most prescribed

  1. Ketoconazole108 claims
  2. Clobetasol Propionate105 claims
  3. Triamcinolone Acetonide94 claims
  4. Mupirocin54 claims
  5. Hydrocortisone51 claims
  6. Ammonium Lactate47 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: $3,208.01

132 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Kristian Johnston$3,208.01
  2. Specialty average$841.65

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

  1. Skin And Cancer AssociatesDelray Beach, FL

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

Kristian Williams Johnston among 10,257 physician assistant records in Florida

Kristian Williams Johnston, PA is one of 10,257 physician assistant records with a practice address in Florida. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 40% of them.

  • NPI issued2015 · 40% of these records are older, 57% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2014 · median 2018 among the 5,867 with a school on file
  • Record last updated2023 · 37% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 physician assistant records list a practice address in Tamarac

They are 30 of the 1,061 NPPES records with a practice address in Tamarac, and 10,257 physician assistant records in Florida.

The 8 physician assistant records with the nearest ZIP codes

  1. Stephanie Chery, PA-CTamarac, FL 333211376007278
  2. Marlo CobbTamarac, FL 333211780935858
  3. Celina Costa, PA-CTamarac, FL 333211912482282
  4. Nicha Cumberbatch, PA-CTamarac, FL 333211770907313
  5. Christina Curran, PA-CTamarac, FL 333211952333577
  6. Cassandra DumornayTamarac, FL 333211346567138
  7. Satie Kallicharan, PA-CTamarac, FL 333211548532559
  8. Natalee McKay, PA-CTamarac, FL 333211144703380

Common questions

What is Kristian Williams Johnston, PA's NPI number?

Kristian Williams Johnston, PA's National Provider Identifier (NPI) is 1962891499, issued on Jan 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kristian Williams Johnston, PA located?

The NPPES record lists a practice address at 7421 N. University Drive, Tamarac, FL, 33321. Phone: (954) 720-7272. Providers update this record themselves, so call before visiting.

How can I verify Kristian Williams Johnston, PA's license?

NPPES lists Florida license number PA9108516, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kristian Williams Johnston, PA prescribe under Medicare Part D?

In 2024, Kristian Williams Johnston, PA had 883 Medicare Part D claims for 312 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.