NPPES file of Aug 9, 2026

Keith Bryan Guess, PA

Physician Assistant · Iowa City, IA

Keith Bryan Guess, PA is a physician assistant with a practice address in Iowa City, Iowa, and NPI 1841293354, issued on May 31, 2005. Check the license (Iowa 001170, 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
1841293354
Name
Keith Bryan Guess
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License numbers
001170 IA
085-001376 IL
Self-reported in NPPES; status is on the state search
Practice location
4189 Westlawn S, Iowa City, IA 52242
Phone
(319) 335-8370
Enumerated
May 31, 2005
Record last updated
Mar 23, 2023
Fax
(319) 335-7247
Medicaid IDs
421527584002 IL
0278374 IA
0563882 IA
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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8 nearest physician assistant records → All 1,525 in Iowa → Look up another NPI →

Also registered at 4189 Westlawn S

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

  1. Samantha Bemrich, PA-CPhysician Assistant1073793618
  2. Ellen Collins, PA-CPhysician Assistant1427091362
  3. Eric Evans, MDFamily Medicine Physician1730175571
  4. Jennifer Johnson, M.D.Family Medicine Physician1699744045
  5. Mary Khowassah, MDGeneral Practice Physician1740276096
  6. Erin Martin, D.O.Psychiatry Physician1780846790

Verify Keith Bryan Guess 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 001170    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

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97% fewer Medicare Part D claims than the average physician assistant in 2024

24 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Keith Guess24
  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.

Keith Bryan Guess among 1,525 physician assistant records in Iowa

Keith Bryan Guess, PA is one of 1,525 physician assistant records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2023 · 41% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

226 physician assistant records list a practice address in Iowa City

They are 226 of the 7,163 NPPES records with a practice address in Iowa City, and 1,525 physician assistant records in Iowa.

All 1,525 in Iowa → Every provider in Iowa City → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Lynn Gingerich, PAIowa City, IA 522421013900224
  2. Mary Greve, PA CIowa City, IA 522421477547768
  3. Judith Heckman, PA CIowa City, IA 522421154316875
  4. Myrl Holida, PACIowa City, IA 522421992790778
  5. Craig Larson, PACIowa City, IA 522421912990128
  6. Nita Lee, PAIowa City, IA 522421417942111
  7. Robert Lewis, PAIowa City, IA 522421225020423
  8. Tammy Madsen, PA-CIowa City, IA 522421568463883

Common questions

What is Keith Bryan Guess, PA's NPI number?

Keith Bryan Guess, PA's National Provider Identifier (NPI) is 1841293354, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Keith Bryan Guess, PA located?

The NPPES record lists a practice address at 4189 Westlawn S, Iowa City, IA, 52242. Phone: (319) 335-8370. Providers update this record themselves, so call before visiting.

How can I verify Keith Bryan Guess, PA's license?

NPPES lists Iowa license number 001170, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Keith Bryan Guess, PA prescribe under Medicare Part D?

In 2024, Keith Bryan Guess, PA had 24 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.