HOLLY HOLLEMBEAK

NPI 1063071496 · Nurse Practitioner · Anthem

Provider Status Assessment

Verified Active

Strong multi-source corroboration of active practice across 6 carrier networks with confirmed Colorado DORA license.

Confidence: High

Evidence: 5535 items from 12 sources

Signals: 6 supporting · 0 opposing · 1 missing

Resolution: All evidence sources corroborate active practice. 6 supporting signals with no contradictions across 8 evaluated sources.

Data Source Signals

✓

NPPES

BYERS, 80103

Freshness: Unknown

✓

Network Status

Listed with 6 carriers

anthem_co — in_network (commercial)
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)

✓

DORA License

Active

—

Medicare

Not enrolled in Medicare (PECOS)

86 beneficiaries

$14,069.97 total payment

Specialty: Nurse Practitioner

✗

Care Compare

Address mismatch with NPPES

BYERS, 80103
HUGO, 80821

—

PECOS Enrollment

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 BYERS

Colorado DORA License: License status: Active

Medicare Billing: 264 services, 86 beneficiaries

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

Carrier Networks: Listed in 6 carrier networks

CMS Care Compare: Found in Care Compare with 2 locations

PECOS Enrollment: PECOS enrollment status unknown

Trust Evaluation

identity:0.75Strong

licensure:0.90Strong

activity:1.00

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

6 networks across 2 carriers

Strong network presence across 6 carrier networks with corroborating federal activity signals.

Anthem(1 network)

1 DOI 6C-3

Anthem Blue Cross Blue ShieldDOI 6C-3

View carrier →

UnitedHealthcare(5 networks)

1 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 Anthem Blue Cross Blue Shield networkView →All Nurse Practitioner providers statewideView →All providers in BYERS 80103View →All providers classified as Verified ActiveView →

Known Addresses

NPPESBYERS, 80103

Care CompareBYERS, 80103

Care CompareHUGO, 80821

Evidence

5535 items across 19 assertions from 12 sources

Connected Records

Practice Address

BYERS, 80103

cms_care_compare, NPPES

Carrier Network Listing

Listed in 6 carrier networks

TiC: Anthem Blue Cross Blue Shield, TiC: UnitedHealthcare Services, TiC: UnitedHealthcare Insurance, TiC: UnitedHealthcare (UMR), TiC: UnitedHealthcare Colorado, TiC: UnitedHealthcare (Surest)

Colorado License

Active

DORA

NPI Registration

Status: active

NPPES Deactivation

Order/Referring Eligibility

Record found

cms_order_refer

Medicare Billing

264 services

cms_medicare

entity_type

Record found

NPPES

Federal Exclusion Check

No exclusion found

OIG LEIE + SAM.gov

Evidence Lineage

Carrier Network ListingTrust: 0.80

↓TiC: Anthem Blue Cross Blue Shield5470 records ·weight 0.80 · Latest: Mar 14, 2026

Colorado License StatusTrust: 0.95

↓DORA4 records ·weight 0.95 · Latest: Mar 6, 2026

Matched via: primary

Colorado License StatusTrust: 0.95

↓DORA4 records ·weight 0.95 · Latest: Mar 6, 2026

Matched via: primary

Colorado License StatusTrust: 0.95

↓DORA3 records ·weight 0.95 · Latest: Mar 13, 2026

Matched via: primary

Colorado License StatusTrust: 0.95

Timeline

Mar 14, 2026Carrier listing: Anthem Blue Cross Blue Shield

Mar 13, 2026DORA license check: Active

Mar 13, 2026DORA license check: Expired

Mar 12, 2026Carrier listing: UnitedHealthcare Services

Mar 12, 2026Carrier listing: UnitedHealthcare Insurance

Mar 12, 2026NPPES record: active

Mar 12, 2026Carrier listing: UnitedHealthcare (UMR)

Mar 12, 2026Carrier listing: UnitedHealthcare Colorado

Mar 11, 2026Carrier listing: UnitedHealthcare (Surest)

Mar 11, 2026Order/Referring Eligibility: record found

Mar 6, 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.

Evidence

5535 items across 19 assertions from 12 sources

Connected Records

Practice Address

BYERS, 80103

cms_care_compare, NPPES

Carrier Network Listing

Listed in 6 carrier networks

TiC: Anthem Blue Cross Blue Shield, TiC: UnitedHealthcare Services, TiC: UnitedHealthcare Insurance, TiC: UnitedHealthcare (UMR), TiC: UnitedHealthcare Colorado, TiC: UnitedHealthcare (Surest)

Colorado License

Active

DORA

NPI Registration

Status: active

NPPES Deactivation

Order/Referring Eligibility

Record found

cms_order_refer

Medicare Billing

264 services

cms_medicare

entity_type

Record found

NPPES

Federal Exclusion Check

No exclusion found

OIG LEIE + SAM.gov

Evidence Lineage

Carrier Network ListingTrust: 0.80

↓TiC: Anthem Blue Cross Blue Shield5470 records ·weight 0.80 · Latest: Mar 14, 2026

Colorado License StatusTrust: 0.95

↓DORA4 records ·weight 0.95 · Latest: Mar 6, 2026

Matched via: primary

Colorado License StatusTrust: 0.95

↓DORA4 records ·weight 0.95 · Latest: Mar 6, 2026

Matched via: primary

Colorado License StatusTrust: 0.95

↓DORA3 records ·weight 0.95 · Latest: Mar 13, 2026

Matched via: primary

Colorado License StatusTrust: 0.95

Timeline

Mar 14, 2026Carrier listing: Anthem Blue Cross Blue Shield

Mar 13, 2026DORA license check: Active

Mar 13, 2026DORA license check: Expired

Mar 12, 2026Carrier listing: UnitedHealthcare Services

Mar 12, 2026Carrier listing: UnitedHealthcare Insurance

Mar 12, 2026NPPES record: active

Mar 12, 2026Carrier listing: UnitedHealthcare (UMR)

Mar 12, 2026Carrier listing: UnitedHealthcare Colorado

Mar 11, 2026Carrier listing: UnitedHealthcare (Surest)

Mar 11, 2026Order/Referring Eligibility: record found

Mar 6, 2026