IndividualActive
Tammie Krein, RN
NPI 1144776311 · Registered Nurse · Berwyn, IL
Tammie Krein, RN is a Registered Nurse provider in Berwyn, IL (NPI 1144776311).
Provider details
- NPI number
- 1144776311
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 041.332191 (IL)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
3249 Oak Park Ave
Berwyn, IL 60402-3429
Phone: (708) 783-6000
Street-level locationGet directions
Mailing address
2205 Stonehaven Dr
Plainfield, IL 60586-8116
Registry dates
- Enumerated
- 2016-08-28
- Last updated
- 2016-08-28
Frequently asked questions
- What is Tammie Krein's NPI number?
- Tammie Krein's National Provider Identifier (NPI) is 1144776311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammie Krein's specialty?
- Tammie Krein is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Tammie Krein located?
- Tammie Krein's practice location on file with NPPES is 3249 Oak Park Ave, Berwyn, IL 60402-3429.
- What is Tammie Krein's phone number?
- The practice phone number listed in the NPPES registry for Tammie Krein is (708) 783-6000.
- Is Tammie Krein's NPI active?
- Yes — Tammie Krein's NPI (1144776311) is active in the NPPES registry as of the last update on 2016-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.