DR. TERESA M HALSTED (M.D.) – Internal Medicine Physician, NPI 1558300046

DR. TERESA M HALSTED (M.D.) is a healthcare provider. based in Washington, Missouri. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 101830 (MO). The NPI Number for DR. TERESA M HALSTED (M.D.) is 1558300046

Main info

Female
Name
DR. TERESA M HALSTED (M.D.)
NPI
1558300046
Phone
(636) 239-7500
Address
901 PATIENTS FIRST DR
Enumeration Date
6 June 2006
Last Update Date
23 January 2012
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. TERESA M HALSTED (M.D.)

  • 901, Patients First Drive, Downtown Washington, Washington, Franklin County, Missouri, 63090, United States

    WASHINGTON, MO 630904700

    Phone: (636) 239-7500

    Fax: (636) 239-2836

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 63090)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. TERESA M HALSTED (M.D.)?
DR. TERESA M HALSTED (M.D.) — NPI 1558300046 — is the standard way to identify this listing.
Is DR. TERESA M HALSTED (M.D.) listed as active for patients and plans?
The listing shows DR. TERESA M HALSTED (M.D.) as active in the NPI system.
What taxonomy line describes DR. TERESA M HALSTED (M.D.)?
For research purposes, treat DR. TERESA M HALSTED (M.D.) as Internal Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where should I expect DR. TERESA M HALSTED (M.D.) on a map?
Expect Washington, Missouri as a primary anchor for DR. TERESA M HALSTED (M.D.) unless the record lists multiple sites.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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