Mason Umphreys
NPI 1407691553 · Certified Registered Nurse Anesthetist · Iowa City, IA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mason Umphreys is a Certified Registered Nurse Anesthetist provider in Iowa City, IA (NPI 1407691553).
Provider details
- NPI number
- 1407691553
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- D184677 (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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 701 W Forevergreen RdNorth Liberty, IA 52317-9848Phone: (319) 356-1616Fax: (319) 384-6265
Registry dates
- Enumerated
- 2024-06-29
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Mason Umphreys's NPI number?
- Mason Umphreys's National Provider Identifier (NPI) is 1407691553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mason Umphreys's specialty?
- Mason Umphreys is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mason Umphreys located?
- Mason Umphreys's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Mason Umphreys's phone number?
- The practice phone number listed in the NPPES registry for Mason Umphreys is (319) 356-1616.
- Does Mason Umphreys accept Medicare?
- Mason Umphreys is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mason Umphreys's NPI active?
- Yes — Mason Umphreys's NPI (1407691553) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.