Dale Holdiman, MD
NPI 1306894050 · Internal Medicine Physician · Sioux City, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dale Holdiman, MD is a Internal Medicine Physician provider in Sioux City, IA (NPI 1306894050).
Provider details
- NPI number
- 1306894050
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 20689 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 48 | 38 |
| Pantoprazole Sodium | 43 | 14 |
| Morphine Sulfate | 41 | 40 |
| Allopurinol | 36 | — |
| Apixabanbrand: Eliquis | 27 | — |
| Levothyroxine Sodium | 25 | 11 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2007-10-17
Frequently asked questions
- What is Dale Holdiman's NPI number?
- Dale Holdiman's National Provider Identifier (NPI) is 1306894050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dale Holdiman's specialty?
- Dale Holdiman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dale Holdiman located?
- Dale Holdiman's practice location on file with NPPES is 624 Jones St, Sioux City, IA 51105-1924.
- What is Dale Holdiman's phone number?
- The practice phone number listed in the NPPES registry for Dale Holdiman is (712) 279-2510.
- Does Dale Holdiman accept Medicare?
- Dale Holdiman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dale Holdiman's NPI active?
- Yes — Dale Holdiman's NPI (1306894050) is active in the NPPES registry as of the last update on 2007-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.