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MARGARET AWA TEMBU
NPI 1821739590
Nurse Practitioner - Psychiatric/Mental Health in Oswego, IL

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment
2281 ORCHARD RD, OSWEGO, IL 60543(630) 636-7043(630) 381-7998 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 19, 2026, Nov 17, 2025, Apr 5, 2022 (3 updates tracked since 2022).

About Margaret Awa Tembu NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET AWA TEMBU (NPI 1821739590) is an individual psychiatric/mental health provider in Oswego, Illinois, licensed in Illinois (2024095498) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1821739590
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARGARET AWA TEMBU
Location Address2281 ORCHARD RDOswego, IL 60543-5105
Mailing Address2777 Cranston CirYorkville, IL 60560-4603 · (630) 491-6048 · Fax (630) 381-7998
Phone(630) 636-7043
Fax(630) 381-7998
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateApril 5, 2022
Last NPPES UpdateMay 19, 20263 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
✔ NPI 1821739590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in IL · 2024095498
2281 ORCHARD RD, Oswego, IL 60543
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Awa Tembu is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204337785
PECOS Enrollment IDI20250827002682
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Margaret Awa Tembu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mat Telehealth LLC
Same address
Psychiatric/Mental Health
2281 ORCHARD RD
Oswego, IL 60543
  • Reassigned Medicare billing, Illinois enrollment
NPI 1912854522 (630) 636-7043
Altea Medical Illinois PLLC
39 mi
Geriatric Medicine
490 W 16TH PL
Chicago Heights, IL 60411
  • Reassigned Medicare billing, Illinois enrollment
  • 173 clinicians in this Medicare group
NPI 1447039227 (888) 408-7008
Parkway Medical Care Il PLLC
41 mi
Multi-Specialty
3700 OAKTON ST
Skokie, IL 60076
  • Reassigned Medicare billing, Illinois enrollment
  • 10 clinicians in this Medicare group
NPI 1639968712 (212) 734-6621
Post Acute Medical PLLC
636 mi
Geriatric Medicine
6710 MALLERY DR
Lanham, MD 20706
  • Reassigned Medicare billing, Illinois enrollment
  • 176 clinicians in this Medicare group
NPI 1730713025 (888) 408-7008

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60543 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AWA MEDICAL STAFFING LLC
Nursing Care
2281 ORCHARD RD
OSWEGO, IL 60543
Kendall County (630) 636-7043
AWA NON EMERGENCY MEDICAL TRANSPORTATION LLC
Non-emergency Medical Transport (VAN)
2281 ORCHARD RD
OSWEGO, IL 60543
Kendall County (630) 636-7043
MAT TELEHEALTH LLC
Nurse Practitioner (Psychiatric/Mental Health)
2281 ORCHARD RD
OSWEGO, IL 60543
Kendall County (630) 636-7043

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Awa Tembu's NPI number?

The NPI number for Margaret Awa Tembu is 1821739590. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Margaret Awa Tembu located?

Margaret Awa Tembu practices at 2281 Orchard Rd, Oswego, IL 60543. The listed phone number is (630) 636-7043.

What is Margaret Awa Tembu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Margaret Awa Tembu enrolled in Medicare?

Yes. Margaret Awa Tembu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Margaret Awa Tembu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Awa Tembu reassigns Medicare benefits to 4 organizations: Mat Telehealth LLC (Oswego, IL), Altea Medical Illinois PLLC (Chicago Heights, IL), Parkway Medical Care Il PLLC (Skokie, IL) and Post Acute Medical PLLC (Lanham, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Awa Tembu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Awa Tembu accept?

Health plans from Oscar Health and UnitedHealthcare list Margaret Awa Tembu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Awa Tembu was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.