Robert Halsted, M.D.
NPI 1447286380 · Internal Medicine Physician · Washington, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Halsted, M.D. is a Internal Medicine Physician provider in Washington, MO (NPI 1447286380).
Provider details
- NPI number
- 1447286380
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 101829 (MO)
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
19 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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 90 | 41 |
| Amlodipine Besylate | 49 | 18 |
| Omeprazole | 46 | 16 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 32 | — |
| Donepezil Hcl | 26 | — |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 25 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2015-01-13
Frequently asked questions
- What is Robert Halsted's NPI number?
- Robert Halsted's National Provider Identifier (NPI) is 1447286380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Halsted's specialty?
- Robert Halsted is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Halsted located?
- Robert Halsted's practice location on file with NPPES is 901 Patients First Dr, Washington, MO 63090-4700.
- What is Robert Halsted's phone number?
- The practice phone number listed in the NPPES registry for Robert Halsted is (636) 239-7500.
- Does Robert Halsted accept Medicare?
- Robert Halsted is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Halsted's NPI active?
- Yes — Robert Halsted's NPI (1447286380) is active in the NPPES registry as of the last update on 2015-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.