Mark Preston, MD
NPI 1811987043 · Psychiatry Physician · Creston, IA
Mark Preston, MD is a Psychiatry Physician provider in Creston, IA (NPI 1811987043).
Provider details
- NPI number
- 1811987043
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25526 (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 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 610 | 67 |
| Quetiapine Fumarate | 529 | 60 |
| Trazodone Hcl | 523 | 67 |
| Alprazolam | 510 | 68 |
| Escitalopram Oxalate | 458 | 54 |
| Bupropion Hclbrand: Bupropion Xl | 387 | 47 |
| Lamotrigine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2016-11-08
Frequently asked questions
- What is Mark Preston's NPI number?
- Mark Preston's National Provider Identifier (NPI) is 1811987043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Preston's specialty?
- Mark Preston is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Preston located?
- Mark Preston's practice location on file with NPPES is 1700 W Townline St, Creston, IA 50801-1054.
- What is Mark Preston's phone number?
- The practice phone number listed in the NPPES registry for Mark Preston is (641) 782-2131.
- Is Mark Preston's NPI active?
- Yes — Mark Preston's NPI (1811987043) is active in the NPPES registry as of the last update on 2016-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.