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David Ulstad, MD
NPI 1629021837 · Anesthesiology Physician · Mason City, IA
David Ulstad, MD is a Anesthesiology Physician provider in Mason City, IA (NPI 1629021837).
Provider details
- NPI number
- 1629021837
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 23016 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1000 4th St Sw
Mason City, IA 50401-2800
Phone: (641) 422-7000
Street-level locationGet directions
Mailing address
1410 6th St Sw
Mason City, IA 50401-4818
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Ulstad's NPI number?
- David Ulstad's National Provider Identifier (NPI) is 1629021837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Ulstad's specialty?
- David Ulstad is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Ulstad located?
- David Ulstad's practice location on file with NPPES is 1000 4th St Sw, Mason City, IA 50401-2800.
- What is David Ulstad's phone number?
- The practice phone number listed in the NPPES registry for David Ulstad is (641) 422-7000.
- Is David Ulstad's NPI active?
- Yes — David Ulstad's NPI (1629021837) 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.