David R. Ulstad, MD
Anesthesiology Physician · Mason City, IA
David R. Ulstad, MD is an anesthesiology physician with a practice address in Mason City, Iowa, and NPI 1629021837, issued on May 18, 2006. Check the license (Iowa 23016, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David R. Ulstad
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 23016 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 4TH St SW, Mason City, IA 50401
- Phone
- (641) 422-7000
- Enumerated
- May 18, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 1279117 IA
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 569 in Iowa → Look up another NPI →
Also registered at 1000 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David R. Ulstad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 23016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David R. Ulstad among 569 anesthesiology physician records in Iowa
David R. Ulstad, MD is one of 569 anesthesiology physician records with a practice address in Iowa. 70% 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 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 59% newer
- In a Medicare fileNo · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 anesthesiology physician records list a practice address in Mason City
They are 9 of the 866 NPPES records with a practice address in Mason City, and 569 anesthesiology physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 569 in Iowa → Every provider in Mason City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Sheela Ahari, MDMason City, IA 504011518910462
- Shari Brandli, M.D.Mason City, IA 504011376771824
- Timothy Cross, MDMason City, IA 504011396782330
- Steven Krogh, MDMason City, IA 504011962459933
- Donald Kropf, MDMason City, IA 504011326091240
- Benjamin MathewsMason City, IA 504011508397019
- Michael Qualey, MDMason City, IA 504011629015607
- Wade Sewell, DOMason City, IA 504011407902547
Common questions
What is David R. Ulstad, MD's NPI number?
David R. Ulstad, MD's National Provider Identifier (NPI) is 1629021837, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David R. Ulstad, MD located?
The NPPES record lists a practice address at 1000 4TH St SW, Mason City, IA, 50401. Phone: (641) 422-7000. Providers update this record themselves, so call before visiting.
How can I verify David R. Ulstad, MD's license?
NPPES lists Iowa license number 23016, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.