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ALYSSA DIANNA SIEBER FNP
NPI 1912681370
Nurse Practitioner - Family in Denver, CO

Active since June 14, 2023PECOS EnrolledAccepts Medicare Assignment
680 N CLARKSON ST, DENVER, CO 80218(720) 500-5488 Get Directions Write a Review

NPPES record last updated: December 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 11, 2024, Jun 14, 2023 (2 updates tracked since 2023).

About Alyssa Dianna Sieber Fnp NPPES

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

ALYSSA DIANNA SIEBER FNP (NPI 1912681370) is an individual family provider in Denver, Colorado, licensed in Colorado (APN.0998352-NP) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1912681370
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALYSSA DIANNA SIEBERCredential: FNP
Location Address680 N CLARKSON STDenver, CO 80218-3202
Mailing Address680 N Clarkson StDenver, CO 80218-3202 · (720) 500-5488
Phone(720) 500-5488
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 14, 2023
Last NPPES UpdateDecember 11, 20242 updates tracked since enumeration
NPPES CertifiedDecember 11, 2024
✔ NPI 1912681370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CO · APN.0998352-NP
680 N CLARKSON ST, Denver, CO 80218
Open in Google Maps ↗

Other Names 1

Former Name (1)Alyssa Dianna Johnson

Accepted Insurance

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

Alyssa Dianna Sieber Fnp 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 ID9335503846
PECOS Enrollment IDI20230918001804
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 Alyssa Sieber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Goodness Health, LLC
0.6 mi
Multi-Specialty
925 N LINCOLN ST APT 15A
Denver, CO 80203
  • Reassigned Medicare billing, Colorado enrollment
  • 75 clinicians in this Medicare group
NPI 1609241264 (720) 500-5488

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
240 services37 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
96 services27 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
31 services31 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
17 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80218 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
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 3

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

JERALYN ANN FOKKEN NP
Nurse Practitioner (Adult Health)
680 N CLARKSON ST
DENVER, CO 80218
Denver County (720) 500-1651
EMILY CARMAN FNP-BC
Nurse Practitioner (Family)
680 N CLARKSON ST
DENVER, CO 80218
Denver County (720) 500-5488
TORRIE SCHRAM FNP-C
Nurse Practitioner (Family)
680 N CLARKSON ST
DENVER, CO 80218
Denver County (720) 500-5488

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 Alyssa Sieber's NPI number?

The NPI number for Alyssa Sieber is 1912681370. It was assigned to this individual provider in the NPPES registry on June 14, 2023. The provider is also known as Alyssa Dianna Johnson.

Where is Alyssa Sieber located?

Alyssa Sieber practices at 680 N Clarkson St, Denver, CO 80218. The listed phone number is (720) 500-5488.

What is Alyssa Sieber's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Alyssa Sieber enrolled in Medicare?

Yes. Alyssa Sieber 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 Alyssa Sieber's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Sieber reassigns Medicare benefits to Goodness Health, LLC (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 Alyssa Sieber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alyssa Sieber accept?

Health plans from UnitedHealthcare list Alyssa Sieber 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 Alyssa Sieber was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.