William Riker, P.A.
NPI 1649313727 · Medical Physician Assistant · Iowa City, IA
William Riker, P.A. is a Medical Physician Assistant provider in Iowa City, IA (NPI 1649313727).
Provider details
- NPI number
- 1649313727
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 01262 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Riker's NPI number?
- William Riker's National Provider Identifier (NPI) is 1649313727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Riker's specialty?
- William Riker is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Riker located?
- William Riker's practice location on file with NPPES is 1548 S Gilbert St, Iowa City, IA 52240-4304.
- What is William Riker's phone number?
- The practice phone number listed in the NPPES registry for William Riker is (319) 248-0178.
- Is William Riker's NPI active?
- Yes — William Riker's NPI (1649313727) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.