Teresa Halsted, M.D.
NPI 1558300046 · Internal Medicine Physician · Washington, MO
Teresa Halsted, M.D. is a Internal Medicine Physician provider in Washington, MO (NPI 1558300046).
Provider details
- NPI number
- 1558300046
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 101830 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2012-01-23
Frequently asked questions
- What is Teresa Halsted's NPI number?
- Teresa Halsted's National Provider Identifier (NPI) is 1558300046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Halsted's specialty?
- Teresa Halsted is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Teresa Halsted located?
- Teresa Halsted's practice location on file with NPPES is 901 Patients First Dr, Washington, MO 63090-4700.
- What is Teresa Halsted's phone number?
- The practice phone number listed in the NPPES registry for Teresa Halsted is (636) 239-7500.
- Is Teresa Halsted's NPI active?
- Yes — Teresa Halsted's NPI (1558300046) is active in the NPPES registry as of the last update on 2012-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.