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MARY KATE SLAVEN OT
NPI 1548022825
Occupational Therapist - Hand in Boulder, CO

Active since January 23, 2024Accepts Medicare Assignment
4740 PEARL PKWY, BOULDER, CO 80301(303) 442-2666 Get Directions Write a Review

NPPES record last updated: January 23, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mary Kate Slaven Ot NPPES

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

MARY KATE SLAVEN OT (NPI 1548022825) is an individual hand provider in Boulder, Colorado, licensed in Colorado (0008211) and active in the NPI registry since January 2024. She is a graduate of Other (2023).

NPPES Registry Identity

NPI1548022825
Entity TypeIndividualFemale
Primary Taxonomy225XH1200X
Provider Legal NameMARY KATE SLAVENCredential: OT
Location Address4740 PEARL PKWYBoulder, CO 80301-3078
Mailing Address4335 Clay Commons CtBoulder, CO 80303-2672
Phone(303) 442-2666
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJanuary 23, 2024
NPPES CertifiedJanuary 23, 2024
✔ NPI 1548022825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational Therapist · HandRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225XH1200X
License✔ Licensed in CO · 0008211
4740 PEARL PKWY, Boulder, CO 80301
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Accepted Insurance

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

Mary Kate Slaven Ot 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 ID6901249424
PECOS Enrollment IDI20240212001618

Medicare Billing Reassignment

Medicare enrollment records show Mary Slaven reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bouldercentre For Orthopedics PC
Same address
Orthopaedic Surgery
4740 PEARL PKWY, SUITE 200
Boulder, CO 80301
  • Reassigned Medicare billing, Colorado enrollment
  • 44 clinicians in this Medicare group
NPI 1336197631 (303) 449-2730

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 8

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.

Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 97112
This therapy helps retrain your brain, nerves, and muscles to work together. Through targeted exercises, your body learns to regain lost functions or improve current abilities. Each session lasts 15 minutes.
284 services38 patients
Therapy procedure using functional activities 97530
A therapy procedure using functional activities encourages you to use your own body movements in day-to-day tasks to aid recovery. It aims to improve your mobility, strength, and overall health by incorporating therapeutic exercises into your routine.
283 services51 patients
Application of hot wax bath 97018
A hot wax bath, also known as paraffin wax treatment, is a therapy often used for pain relief in your hands, feet, or other areas. The warm wax helps increase blood flow, relax muscles, and reduce stiffness in joints. It's completely safe and can be especially beneficial for those with arthritis or other similar conditions.
182 services35 patients
Therapy procedure using manual technique, each 15 minutes 97140
This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.
132 services29 patients
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
86 services27 patients
Training for self-care or home management, each 15 minutes 97535
This service involves training sessions, each lasting 15 minutes, focused on teaching you essential self-care or home management skills. You'll learn techniques to manage your health condition at home, promoting independence and enhancing your quality of life.
34 services28 patients

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.

COURTNEY WHALEN OTR/L
Occupational Therapist
4740 PEARL PKWY
BOULDER, CO 80301
Boulder County (303) 449-2730
CHELSEA ALEXANDER DPT
Physical Therapist
4740 PEARL PKWY, 200A
BOULDER, CO 80301
Boulder County (303) 449-2830
BOULDERCENTRE FOR ORTHOPEDICS PC
Orthopaedic Surgery
4740 PEARL PKWY, SUITE 200
BOULDER, CO 80301
Boulder County (303) 449-2730
ADAM HOLZMEISTER MD
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
4740 PEARL PKWY
BOULDER, CO 80301
Boulder County (303) 449-2730
CHERYL ALLYSON BLACKWOOD PA-C
Physician Assistant
4740 PEARL PKWY, SUITE 200
BOULDER, CO 80301
Boulder County (303) 449-2730
MS. JAMIE L STEENPORT SURGICAL ASSISTANT
Specialist/Technologist, Other (Surgical Assistant)
4740 PEARL PKWY
BOULDER, CO 80301
Boulder County (303) 938-5475

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 Mary Slaven's NPI number?

The NPI number for Mary Slaven is 1548022825. It was assigned to this individual provider in the NPPES registry on January 23, 2024.

Where is Mary Slaven located?

Mary Slaven practices at 4740 Pearl Pkwy, Boulder, CO 80301. The listed phone number is (303) 442-2666.

What is Mary Slaven's specialty?

The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.

Is Mary Slaven enrolled in Medicare?

Yes. Mary Slaven 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 Mary Slaven's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Slaven reassigns Medicare benefits to Bouldercentre For Orthopedics PC (Boulder, 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 Mary Slaven's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Slaven accept?

Health plans from Select Health list Mary Slaven 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 Mary Slaven was last updated on January 23, 2024. 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.