NPPES file of Aug 9, 2026

Christy Johnson

Medical Physician Assistant · Iowa City, IA

Christy Johnson is a medical physician assistant with a practice address in Iowa City, Iowa, and NPI 1093455636, issued on Mar 31, 2022. Check the license (Iowa 121601, as entered in NPPES) with the Iowa 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093455636
Name
Christy Johnson
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
121601 IA
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-2674
Enumerated
Mar 31, 2022
Record last updated
Apr 8, 2026
Fax
(319) 356-3347
Medicare enrollment
Enrolled (PECOS I20230922000500); 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 200 Hawkins Dr

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

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Christy Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 121601
    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 Iowa 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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68% more Medicare Part D claims than the average medical physician assistant in 2024

1,928 Medicare Part D claims for 245 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 51 claims were for opioids.

  1. Christy Johnson1,928
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium145 claims
  2. Amlodipine Besylate82 claims
  3. Lisinopril74 claims
  4. Levothyroxine Sodium56 claims
  5. Omeprazole54 claims
  6. Alprazolam43 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.

Bills Medicare through one group practice

  1. State University OF IowaIowa City, IA

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

Christy Johnson among 235 medical physician assistant records in Iowa

Christy Johnson is one of 235 medical physician assistant records with a practice address in Iowa. 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 2022, is newer than 89% of them.

  • NPI issued2022 · 89% of these records are older, 9% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2023 · median 2012 among the 144 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Iowa

There are 235 medical physician assistant records in Iowa.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Tina Conway, PA-CIowa City, IA 522421215485040
  2. John Ervin, PACIowa City, IA 522421588757736
  3. Lily Ganz, PA-CIowa City, IA 522421780284844
  4. Jenna Harris, PA-CIowa City, IA 522421356835961
  5. Aaron KinnIowa City, IA 522421063033801
  6. Jeremy Nelson, P.A.-CIowa City, IA 522421487884300
  7. Sarah Nolan, PAIowa City, IA 522421235366725
  8. Luis Serrano, P.A.Iowa City, IA 522421578622957

Common questions

What is Christy Johnson's NPI number?

Christy Johnson's National Provider Identifier (NPI) is 1093455636, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Christy Johnson located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-2674. Providers update this record themselves, so call before visiting.

How can I verify Christy Johnson's license?

NPPES lists Iowa license number 121601, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Christy Johnson prescribe under Medicare Part D?

In 2024, Christy Johnson had 1,928 Medicare Part D claims for 245 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.