MARGARET ELLEN KELLER MA, LPC, LAC
NPI 1437566320
Counselor - Professional in Longmont, CO
About Margaret Ellen Keller Ma, Lpc, Lac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET ELLEN KELLER MA, LPC, LAC (NPI 1437566320) is an individual professional provider in Longmont, Colorado, licensed in Colorado (LPC.0012448) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boulder, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Accepted 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
Margaret Ellen Keller Ma, Lpc, 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 Margaret Keller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Longmont, CO 80501
- Reassigned Medicare billing, Colorado enrollment
- 183 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.
Areas of Expertise CMS Part B claims
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.
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 Margaret Keller's NPI number?
The NPI number for Margaret Keller is 1437566320. It was assigned to this individual provider in the NPPES registry on July 13, 2014. The provider is also known as Maggie Harrison.
Where is Margaret Keller located?
Margaret Keller practices at 515 Coffman St Fl 23, Longmont, CO 80501. The listed phone number is (303) 443-8500.
What is Margaret Keller's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Margaret Keller enrolled in Medicare?
Yes. Margaret Keller 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 Margaret Keller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Keller reassigns Medicare benefits to Clinica Campesina Family Health Services (Longmont, 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 Margaret Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Keller accept?
Health plans from Select Health list Margaret Keller 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 Margaret Keller was last updated on February 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Margaret Ellen Keller, MA, LPC, LAC · NPI 1437566320
Professional provider in Longmont, Colorado. Individual provider, active in the CMS NPPES registry since July 13, 2014.
## Identity
- **NPI:** 1437566320 (Entity type: Individual)
- **Enumerated:** July 13, 2014
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** LPC.0012448 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 515 COFFMAN ST FL 23, Longmont, CO 80501-5455
- **Phone:** (303) 443-8500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Clinica Campesina Family Health Services (NPI 1558108498, Longmont, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** February 15, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1437566320) · Data from the CMS NPPES public registry.