William Henry Riker, P.A.
Medical Physician Assistant · Iowa City, IA
William Henry Riker, P.A. is a medical physician assistant with a practice address in Iowa City, Iowa, and NPI 1649313727, issued on Feb 15, 2007. Check the license (Iowa 01262, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Henry Riker
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 01262 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1548 S Gilbert St, Iowa City, IA 52240
- Phone
- (319) 248-0178
- Enumerated
- Feb 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 235 in Iowa → Look up another NPI →
Verify William Henry Riker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 01262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Henry Riker among 235 medical physician assistant records in Iowa
William Henry Riker, P.A. 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 not. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 54% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 235 in Iowa → Every provider in Iowa City → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Amber Brannaman, PA-CIowa City, IA 522401508413048
- Melissa Olthoff, PA-CIowa City, IA 522401033527296
- Bianca Carlson, PA-CCoralville, IA 522411457781148
- Valerie Hinschberger, PA-CCoralville, IA 522411245784925
- Tina Conway, PA-CIowa City, IA 522421215485040
- John Ervin, PACIowa City, IA 522421588757736
- Jeremy Nelson, P.A.-CIowa City, IA 522421487884300
- Sarah Nolan, PAIowa City, IA 522421235366725
Common questions
What is William Henry Riker, P.A.'s NPI number?
William Henry Riker, P.A.'s National Provider Identifier (NPI) is 1649313727, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Henry Riker, P.A. located?
The NPPES record lists a practice address at 1548 S Gilbert St, Iowa City, IA, 52240. Phone: (319) 248-0178. Providers update this record themselves, so call before visiting.
How can I verify William Henry Riker, P.A.'s license?
NPPES lists Iowa license number 01262, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity 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. 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.