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ALLISON BRISTOL MCNULLA CSWC
NPI 1902506256
Social Worker - Clinical in Denver, CO

Active since March 06, 2023PECOS Enrolled
4242 DELAWARE ST, DENVER, CO 80216(303) 825-8113 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2025, Mar 6, 2023 (2 updates tracked since 2023).

About Allison Bristol Mcnulla Cswc NPPES

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

ALLISON BRISTOL MCNULLA CSWC (NPI 1902506256) is an individual clinical provider in Denver, Colorado, licensed in Colorado (CSW.09932034) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1902506256
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameALLISON BRISTOL MCNULLACredential: CSWC
Location Address4242 DELAWARE STDenver, CO 80216-2618
Mailing Address4242 Delaware StDenver, CO 80216-2618
Phone(303) 825-8113
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 6, 2023
Last NPPES UpdateSeptember 17, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2025
✔ NPI 1902506256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CO · CSW.09932034
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4242 DELAWARE ST, Denver, CO 80216
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Bristol Mcnulla Cswc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8729573324
PECOS Enrollment IDI20251222000172
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 Allison Mcnulla reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mile High Council On Alcoholism And Drug Abuse
Same address
Family Medicine
4242 DELAWARE ST
Denver, CO 80216
  • Reassigned Medicare billing, Colorado enrollment
  • 21 clinicians in this Medicare group
NPI 1013639723 (303) 825-8113

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 80216 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
$0.00 typical visit price
range $58.06 – $174.82
Typical copayment $0.00 (range $14.51 – $43.70)
Most-billed visit code NA
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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.

MILE HIGH COUNCIL ON ALCOHOLISM AND DRUG ABUSE
Family Medicine
4242 DELAWARE ST
DENVER, CO 80216
Denver County (303) 825-8113
JENNIFER LYNN BRAMSTEDT LCSW
Social Worker (Clinical)
4242 DELAWARE ST
DENVER, CO 80216
Denver County (303) 825-8113
STEPHANIE ROSE BRUTON
Social Worker
4242 DELAWARE ST
DENVER, CO 80216
Denver County (720) 975-0155
MIKAELA DALTON
Social Worker (Clinical)
4242 DELAWARE ST
DENVER, CO 80216
Denver County (617) 257-7721
JENSEN R LOPEZ LPCC
Counselor
4242 DELAWARE ST
DENVER, CO 80216
Denver County (303) 825-8113
JEREMY PEARSON LAC
Counselor (Addiction (Substance Use Disorder))
4242 DELAWARE ST
DENVER, CO 80216
Denver County (303) 825-8113
ANDREW LEE LOVELADY LPCC
Counselor (Mental Health)
4242 DELAWARE ST
DENVER, CO 80216
Denver County (303) 825-8113
MORGAN GRACE FENN JAMISON
Counselor (Addiction (Substance Use Disorder))
4242 DELAWARE ST
DENVER, CO 80216
Denver County (303) 825-8113

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 Allison Mcnulla's NPI number?

The NPI number for Allison Mcnulla is 1902506256. It was assigned to this individual provider in the NPPES registry on March 6, 2023.

Where is Allison Mcnulla located?

Allison Mcnulla practices at 4242 Delaware St, Denver, CO 80216. The listed phone number is (303) 825-8113.

What is Allison Mcnulla's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Allison Mcnulla enrolled in Medicare?

Yes. Allison Mcnulla is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Allison Mcnulla's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Mcnulla reassigns Medicare benefits to Mile High Council On Alcoholism And Drug Abuse (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 Allison Mcnulla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Allison Mcnulla was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.