IndividualActive
Penelope Armstrong
NPI 1538936950 · Social Worker · Oswego, IL
Penelope Armstrong is a Social Worker provider in Oswego, IL (NPI 1538936950).
Provider details
- NPI number
- 1538936950
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
2677 US Highway 34 Ste C
Oswego, IL 60543-8660
Phone: (630) 527-8877
Fax: (630) 527-8877
Street-level locationGet directions
Mailing address
24047 W Lockport St Ste 201f
Plainfield, IL 60544-1680
Additional practice locations (1)
- 24047 W Lockport St Ste 201fPlainfield, IL 60544-1680Phone: (630) 527-8877Fax: (630) 527-8877
Registry dates
- Enumerated
- 2023-12-06
- Last updated
- 2023-12-06
- Certified
- 2023-12-06
Frequently asked questions
- What is Penelope Armstrong's NPI number?
- Penelope Armstrong's National Provider Identifier (NPI) is 1538936950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Penelope Armstrong's specialty?
- Penelope Armstrong is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Penelope Armstrong located?
- Penelope Armstrong's practice location on file with NPPES is 2677 US Highway 34 Ste C, Oswego, IL 60543-8660.
- What is Penelope Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Penelope Armstrong is (630) 527-8877.
- Is Penelope Armstrong's NPI active?
- Yes — Penelope Armstrong's NPI (1538936950) is active in the NPPES registry as of the last update on 2023-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.