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VIVIANNE L. ALLSOP MD
NPI 1215499603
Internal Medicine - Rheumatology in Denver, CO

Active since April 03, 2019PECOS EnrolledAccepts Medicare Assignment
1400 JACKSON ST, DENVER, CO 80206(303) 398-1355 Get Directions Write a Review

NPPES record last updated: July 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 1, 2025, Mar 4, 2023, Jun 1, 2021 and 1 more (4 updates tracked since 2019).

About Vivianne L. Allsop Md NPPES

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

VIVIANNE L. ALLSOP MD (NPI 1215499603) is an individual rheumatology provider in Denver, Colorado, licensed in Utah (13284700-1205) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Aurora (2019).

NPPES Registry Identity

NPI1215499603
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameVIVIANNE L. ALLSOPCredential: MD
Location Address1400 JACKSON STDenver, CO 80206-2762
Mailing Address1400 Jackson StDenver, CO 80206-2762 · (303) 398-1355
Phone(303) 398-1355
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, AuroraGraduated 2019
Enumeration DateApril 3, 2019
Last NPPES UpdateJuly 1, 20254 updates tracked since enumeration
NPPES CertifiedJuly 1, 2025
✔ NPI 1215499603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in UT · 13284700-1205
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
1400 JACKSON ST, Denver, CO 80206
Open in Google Maps ↗

Other Names 1

Former Name (1)Vivianne Andersen

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.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

Vivianne L. Allsop Md 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 ID5991039083
PECOS Enrollment IDI20250925003664
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 Reassignment

Medicare enrollment records show Vivianne Allsop reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

National Jewish Health
0.1 mi
General Acute Care Hospital
1400 JACKSON ST
Denver, CO 80206
  • Reassigned Medicare billing, Colorado enrollment
  • 281 clinicians in this Medicare group
NPI 1326015777 (303) 388-4461

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 80206 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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 20

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

JESSICA GALANT-SWAFFORD
Allergy & Immunology
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 388-4461
GLENN A HIRSCH M.D.
Internal Medicine (Cardiovascular Disease)
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 388-4461
EMILY A MCCLOUD RD
Dietitian, Registered
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 388-4461
WALTER A DOWNING CT
Pharmacy Technician
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 398-8446
NATHAN RABINOVITCH MD
Allergy & Immunology
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 388-4461
MARY BRONWYN LONG CNS, ACHPN
Clinical Nurse Specialist
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 388-4461
DR. RONALD C BALKISSOON MD
Internal Medicine (Pulmonary Disease)
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 388-4461
LEE S NEWMAN MD
Internal Medicine (Pulmonary Disease)
1400 JACKSON ST
DENVER, CO 80206
Denver County (303) 388-4461

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 Vivianne Allsop's NPI number?

The NPI number for Vivianne Allsop is 1215499603. It was assigned to this individual provider in the NPPES registry on April 3, 2019. The provider is also known as Vivianne Andersen.

Where is Vivianne Allsop located?

Vivianne Allsop practices at 1400 Jackson St, Denver, CO 80206. The listed phone number is (303) 398-1355.

What is Vivianne Allsop's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Vivianne Allsop enrolled in Medicare?

Yes. Vivianne Allsop 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 organization bills Medicare for Vivianne Allsop's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vivianne Allsop reassigns Medicare benefits to National Jewish Health (Denver, CO). The 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 Vivianne Allsop's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vivianne Allsop accept?

Health plans from Select Health list Vivianne Allsop 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 Vivianne Allsop was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.