SHEILA VIZANKO

NPI 1851972764 · Family Medicine · Uhc

Provider Status Assessment

Verified Active

Strong multi-source corroboration of active practice across 10 carrier networks with confirmed Colorado DORA license.

Confidence: High

Evidence: 65 items from 15 sources

Signals: 5 supporting · 0 opposing · 2 missing

Resolution: All evidence sources corroborate active practice. 5 supporting signals with no contradictions across 8 evaluated sources.

Data Source Signals

✓

NPPES

WESTMINSTER, 80023

Freshness: Aging (last updated 2024-12-04)

458 days since update

✓

Network Status

Listed with 10 carriers

uhc — in_network (fhir:uhc)
uhc_colorado_co — in_network (commercial)
uhc_insurance_co — in_network (commercial)
uhc_services_co — in_network (commercial)
uhc_umr_co — in_network (commercial)
uhc_surest_co — in_network (commercial)
uhc_rmhmo_co — in_network (commercial)
cigna_co — in_network (commercial)
kpic_co — in_network (commercial)
kaiser_co — in_network (commercial)

✓

DORA License

Active

—

Medicare

Not enrolled in Medicare (PECOS)

✗

Care Compare

Address mismatch with NPPES

WESTMINSTER, 80023
WESTMINSTER, 80031

—

System Reasoning

Claim Under Evaluation

Provider is actively practicing and appropriately listed in carrier networks

Evidence Evaluated

FHIR Directory: No active FHIR endpoint despite carrier listings

NPPES Registry: Active NPI, registered in WESTMINSTER (record aging)

Colorado DORA License: License status: Active

Federal Exclusion Check: No federal exclusions found (OIG LEIE, SAM.gov)

Carrier Networks: Listed in 10 carrier networks

CMS Care Compare: Found in Care Compare with 2 locations

Medicare Billing: No Medicare billing records available

PECOS Enrollment: PECOS enrollment status unknown

Trust Evaluation

identity:0.75Strong

licensure:0.90Strong

activity:

Dimension Scores

Composite0.86

Identity0.75 — Moderate

Active NPI with specialty classification

Licensure0.90 — Strong

Active Colorado DORA license confirmed

Activity1.00 — Strong

Active Medicare billing confirmed

Reachability0.60 — Moderate

Single address source (NPPES)

Network1.00 — Strong

Listed in multiple carrier networks

Why is this provider classified as “verified active”?

Strong multi-source corroboration of active practice. All dimensions above 0.55 with evidence depth ≥ 5. Active license confirmed.

Carrier Network Listings

10 networks across 4 carriers

Strong network presence across 10 carrier networks with corroborating federal activity signals.

uhc(1 network)

1 Federal TiC

uhcFederal TiC

View carrier →

UnitedHealthcare(6 networks)

2 DOI 6C-34 Federal TiC

UnitedHealthcare of ColoradoDOI 6C-3

View carrier →

UnitedHealthcare InsuranceFederal TiC

View carrier →

UnitedHealthcare ServicesFederal TiC

View carrier →

Related Investigations

All providers in uhc networkView →All Family Medicine providers statewideView →All providers in WESTMINSTER 80023View →All providers classified as Verified ActiveView →

Known Addresses

NPPESWESTMINSTER, 80023

Care CompareWESTMINSTER, 80023

Care CompareWESTMINSTER, 80031

Evidence

65 items across 20 assertions from 15 sources

Connected Records

Colorado License

Expired

DORA

Practice Address

WESTMINSTER, 80023

NPPES, cms_care_compare

Carrier Network Listing

Listed in 10 carrier networks

FHIR: uhc, TiC: UnitedHealthcare Services, TiC: UnitedHealthcare Insurance, TiC: UnitedHealthcare (UMR), TiC: UnitedHealthcare Colorado, TiC: UnitedHealthcare (Surest), TiC: UnitedHealthcare (Rocky Mountain HMO), TiC: Cigna, TiC: Kaiser Permanente Insurance Company, TiC: Kaiser Permanente

FHIR Directory Status

Found in directory

FHIR: uhc

Order/Referring Eligibility

Record found

cms_order_refer

NPI Registration

Status: active

NPPES

entity_type

Record found

NPPES

Federal Exclusion Check

No exclusion found

OIG LEIE + SAM.gov

Evidence Lineage

Colorado License StatusTrust: 0.95

↓DORAweight 0.98 · Mar 13, 2026

Matched via: license_number

Colorado License StatusTrust: 0.95

↓DORA5 records ·weight 0.98 · Latest: Mar 6, 2026

Matched via: license_number

Colorado License StatusTrust: 0.95

↓DORA3 records ·weight 0.60 · Latest: Mar 13, 2026

Matched via: primary

Carrier Network ListingTrust: 0.90

↓FHIR: uhc2 records ·weight 0.90 · Latest: Mar 13, 2026

FHIR Directory StatusTrust: 0.90

↓FHIR: uhc

Timeline

Mar 13, 2026DORA license check: Expired

Mar 13, 2026DORA license check: Active

Mar 13, 2026Carrier listing: uhc

Mar 13, 2026FHIR directory lookup: found

Mar 12, 2026Carrier listing: UnitedHealthcare Services

Mar 12, 2026Carrier listing: UnitedHealthcare Insurance

Mar 12, 2026Carrier listing: UnitedHealthcare (UMR)

Mar 12, 2026Carrier listing: UnitedHealthcare Colorado

Mar 11, 2026Carrier listing: UnitedHealthcare (Surest)

Mar 11, 2026Carrier listing: UnitedHealthcare (Rocky Mountain HMO)

Mar 11, 2026

Evidence

Loading evidence lineage...

Disclaimer: This analysis uses publicly available federal and state data sources. It does not constitute a determination of provider status or network participation. Contact the provider or health plan directly to verify current status.

PECOS Enrollment

No PECOS data

reachability:0.60Moderate

System Determination

Verified Active

Composite score: 0.858

Strong multi-source corroboration of active practice across 10 carrier networks with confirmed Colorado DORA license.

UnitedHealthcare UMRFederal TiC

UnitedHealthcare SurestFederal TiC

View carrier →

UnitedHealthcare Rocky Mountain HMODOI 6C-3

View carrier →

Cigna(1 network)

1 DOI 6C-3

CignaDOI 6C-3

View carrier →

Kaiser Permanente(2 networks)

2 DOI 6C-3

Kaiser Permanente Insurance CoDOI 6C-3

View carrier →

Kaiser PermanenteDOI 6C-3

View carrier →

Evidence

65 items across 20 assertions from 15 sources

Connected Records

Colorado License

Expired

DORA

Practice Address

WESTMINSTER, 80023

NPPES, cms_care_compare

Carrier Network Listing

Listed in 10 carrier networks

FHIR Directory Status

Found in directory

FHIR: uhc

Order/Referring Eligibility

Record found

cms_order_refer

NPI Registration

Status: active

NPPES

entity_type

Record found

NPPES

Federal Exclusion Check

No exclusion found

OIG LEIE + SAM.gov

Evidence Lineage

Colorado License StatusTrust: 0.95

↓DORAweight 0.98 · Mar 13, 2026

Matched via: license_number

Colorado License StatusTrust: 0.95

↓DORA5 records ·weight 0.98 · Latest: Mar 6, 2026

Matched via: license_number

Colorado License StatusTrust: 0.95

↓DORA3 records ·weight 0.60 · Latest: Mar 13, 2026

Matched via: primary

Carrier Network ListingTrust: 0.90

↓FHIR: uhc2 records ·weight 0.90 · Latest: Mar 13, 2026

FHIR Directory StatusTrust: 0.90

↓FHIR: uhc

Timeline

Mar 13, 2026DORA license check: Expired

Mar 13, 2026DORA license check: Active

Mar 13, 2026Carrier listing: uhc

Mar 13, 2026FHIR directory lookup: found

Mar 12, 2026Carrier listing: UnitedHealthcare Services

Mar 12, 2026Carrier listing: UnitedHealthcare Insurance

Mar 12, 2026Carrier listing: UnitedHealthcare (UMR)

Mar 12, 2026Carrier listing: UnitedHealthcare Colorado

Mar 11, 2026Carrier listing: UnitedHealthcare (Surest)

Mar 11, 2026Carrier listing: UnitedHealthcare (Rocky Mountain HMO)

Mar 11, 2026

weight 0.90 · Latest: Mar 13, 2026

Carrier Network ListingTrust: 0.80

↓TiC: UnitedHealthcare Services8 records ·weight 0.80 · Latest: Mar 12, 2026

Carrier Network ListingTrust: 0.80

↓TiC: UnitedHealthcare Insurance4 records ·weight 0.80 · Latest: Mar 12, 2026

Carrier Network ListingTrust: 0.80

↓TiC: UnitedHealthcare (UMR)17 records ·weight 0.80 · Latest: Mar 12, 2026

Carrier Network ListingTrust: 0.80

↓TiC: UnitedHealthcare Colorado2 records ·weight 0.80 · Latest: Mar 12, 2026

Carrier Network ListingTrust: 0.80

↓TiC: UnitedHealthcare (Surest)3 records ·weight 0.80 · Latest: Mar 11, 2026

Carrier Network ListingTrust: 0.80

↓TiC: UnitedHealthcare (Rocky Mountain HMO)3 records ·weight 0.80 · Latest: Mar 11, 2026

Practice LocationTrust: 0.80

↓NPPES2 records ·weight 0.85 · Latest: Mar 11, 2026

↓cms_care_compareweight 0.80 · Mar 6, 2026

Order/Referring EligibilityTrust: 0.95

↓cms_order_referweight 0.95 · Mar 11, 2026

Carrier Network ListingTrust: 0.80

↓TiC: Cigna3 records ·weight 0.80 · Latest: Mar 11, 2026

Carrier Network ListingTrust: 0.80

↓TiC: Kaiser Permanente Insurance Companyweight 0.80 · Mar 11, 2026

NPI Registration StatusTrust: 0.90

↓NPPES2 records ·weight 0.70 · Latest: Mar 7, 2026

Practice LocationTrust: 0.85

↓cms_care_compareweight 0.80 · Mar 6, 2026

↓NPPESweight 0.85 · Mar 5, 2026

Carrier Network ListingTrust: 0.80

↓TiC: Kaiser Permanenteweight 0.80 · Mar 5, 2026

Provider SpecialtyTrust: 0.85

↓NPPESweight 0.85 · Mar 5, 2026

entity_typeTrust: 0.85

↓NPPESweight 0.85 · Mar 5, 2026

Practice address: WESTMINSTER, 80023

Mar 11, 2026Order/Referring Eligibility: record found

Mar 11, 2026Carrier listing: Cigna

Mar 11, 2026Carrier listing: Kaiser Permanente Insurance Company

Mar 7, 2026NPPES record: active

Mar 6, 2026Practice address: WESTMINSTER, 80031

Mar 6, 2026Practice address: WESTMINSTER, 80023

Mar 5, 2026Carrier listing: Kaiser Permanente

Mar 5, 2026Provider Specialty: record found

Mar 5, 2026entity_type: record found

Showing 20 of 21 evidence events.