KATHERINE CASHMAN PORTER CRNA
NPI 1265799837
Nurse Anesthetist, Certified Registered in Longmont, CO
About Katherine Cashman Porter Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE CASHMAN PORTER CRNA (NPI 1265799837) is an individual nurse anesthetist, certified registered in Longmont, Colorado, licensed in Colorado (0992773) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Katherine Cashman Porter Crna 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 Reassignments
7Medicare enrollment records show Katherine Porter reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Longmont, CO 80501
- Reassigned Medicare billing, Colorado enrollment
- 57 clinicians in this Medicare group
Longmont, CO 80501
- Reassigned Medicare billing, Colorado enrollment
- 1,193 clinicians in this Medicare group
Boulder, CO 80301
- Reassigned Medicare billing, Colorado enrollment
- 30 clinicians in this Medicare group
Greenwood Village, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 971 clinicians in this Medicare group
Sedalia, CO 80135
- Reassigned Medicare billing, Colorado enrollment
- 79 clinicians in this Medicare group
Richardson, TX 75082
- Reassigned Medicare billing, Arizona enrollment
- 390 clinicians in this Medicare group
Brighton, MI 48114
- Reassigned Medicare billing, Arizona enrollment
- 370 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONGMONT, CO 80501
LONGMONT, CO 80501
LONGMONT, CO 80501
LONGMONT, CO 80501
LONGMONT, CO 80501
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 Katherine Porter's NPI number?
The NPI number for Katherine Porter is 1265799837. It was assigned to this individual provider in the NPPES registry on April 19, 2012.
Where is Katherine Porter located?
Katherine Porter practices at 1551 Professional Ln Unit 290, Longmont, CO 80501. The listed phone number is (303) 604-5000.
What is Katherine Porter's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Katherine Porter enrolled in Medicare?
Yes. Katherine Porter 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 organizations bill Medicare for Katherine Porter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Porter reassigns Medicare benefits to 7 organizations: Boulder Valley Gastroenterology Inc. (Longmont, CO), Catholic Health Initiatives Colorado (Longmont, CO), North Denver Anesthesia Associates, LLC (Boulder, CO), Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO), Diehl Anesthesia Inc (Sedalia, CO) and 2 more organizations, listed in the Medicare section above. Each 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 Katherine Porter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Porter accept?
Health plans from Oscar Health Plan, Inc. and Oscar Insurance Company list Katherine Porter 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 Katherine Porter was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Katherine Cashman Porter, CRNA · NPI 1265799837
Nurse Anesthetist, Certified Registered physician in Longmont, Colorado. Individual provider, active in the CMS NPPES registry since April 19, 2012.
## Identity
- **NPI:** 1265799837 (Entity type: Individual)
- **Enumerated:** April 19, 2012
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 0992773 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1551 PROFESSIONAL LN UNIT 290, Longmont, CO 80501-6970
- **Phone:** (303) 604-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Boulder Valley Gastroenterology Inc. (NPI 1184210312, Longmont, CO); Catholic Health Initiatives Colorado (NPI 1780047902, Longmont, CO); North Denver Anesthesia Associates, LLC (NPI 1902624422, Boulder, CO); Us Anesthesia Partners Of Colorado Inc. (NPI 1922365782, Greenwood Village, CO); Diehl Anesthesia Inc (NPI 1467833897, Sedalia, CO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** February 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1265799837) · Data from the CMS NPPES public registry.