MIMI OKYERE-TWUM LAC
NPI 1659736981
Counselor - Addiction (Substance Use Disorder) in Denver, CO
About Mimi Okyere-twum Lac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIMI OKYERE-TWUM LAC (NPI 1659736981) is an individual addiction (substance use disorder) provider in Denver, Colorado and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 3
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
Mimi Okyere-twum Lac 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.
Medicare Billing Reassignment
Medicare enrollment records show Mimi Okyere-twum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80220
- Reassigned Medicare billing, Colorado enrollment
- 227 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
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 Mimi Okyere-twum's NPI number?
The NPI number for Mimi Okyere-twum is 1659736981. It was assigned to this individual provider in the NPPES registry on December 31, 2015.
Where is Mimi Okyere-twum located?
Mimi Okyere-twum practices at 4455 E 12th Ave, Denver, CO 80220. The listed phone number is (303) 504-7799.
What is Mimi Okyere-twum's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Mimi Okyere-twum enrolled in Medicare?
Yes. Mimi Okyere-twum 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 Mimi Okyere-twum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mimi Okyere-twum reassigns Medicare benefits to Mental Health Center Of Denver (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 Mimi Okyere-twum'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 Mimi Okyere-twum was last updated on November 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Mimi Okyere-Twum, LAC · NPI 1659736981
Addiction (Substance Use Disorder) provider in Denver, Colorado. Individual provider, active in the CMS NPPES registry since December 31, 2015.
## Identity
- **NPI:** 1659736981 (Entity type: Individual)
- **Enumerated:** December 31, 2015
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4455 E 12TH AVE, Denver, CO 80220-2415
- **Phone:** (303) 504-7799
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mental Health Center Of Denver (NPI 1740002468, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** November 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1659736981) · Data from the CMS NPPES public registry.