Sievers and Company, LLC
NPI 1699857045 · Internal Medicine Physician · Estero, FL
Sievers and Company, LLC is a Internal Medicine Physician organization in Estero, FL (NPI 1699857045).
Provider details
- NPI number
- 1699857045
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Teresa Sievers, Physician(239) 948-7291
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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Teresa A. Siever, MD
Registry dates
- Enumerated
- 2006-10-19
- Last updated
- 2007-09-24
Frequently asked questions
- What is Sievers and Company, LLC's NPI number?
- Sievers and Company, LLC's National Provider Identifier (NPI) is 1699857045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sievers and Company, LLC?
- Sievers and Company, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sievers and Company, LLC located?
- Sievers and Company, LLC's practice location on file with NPPES is 10201 Arcos Ave, Estero, FL 33928.
- What is Sievers and Company, LLC's phone number?
- The practice phone number listed in the NPPES registry for Sievers and Company, LLC is (239) 948-7291.
- Who is the authorized official for Sievers and Company, LLC?
- The authorized official listed on Sievers and Company, LLC's NPPES record is Teresa Sievers, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sievers and Company, LLC's NPI active?
- Yes — Sievers and Company, LLC's NPI (1699857045) is active in the NPPES registry as of the last update on 2007-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.