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GILLIAN MCCHESNEY PHYSICAL THERAPIST
NPI 1093857963
Physical Therapist - Orthopedic in Mammoth Lakes, CA

Active since February 13, 2007Accepts Medicare Assignment
85 SIERRA PARK RD, MAMMOTH LAKES, CA 93546(760) 934-7302(760) 934-1779 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gillian Mcchesney Physical Therapist NPPES

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

GILLIAN MCCHESNEY PHYSICAL THERAPIST (NPI 1093857963) is an individual orthopedic provider in Mammoth Lakes, California, licensed in California (PT17248) and active in the NPI registry since February 2007. She is a graduate of Other (1988).

NPPES Registry Identity

NPI1093857963
Entity TypeIndividualFemale
Primary Taxonomy2251X0800X
Provider Legal NameGILLIAN MCCHESNEYCredential: PHYSICAL THERAPIST
Location Address85 SIERRA PARK RDMammoth Lakes, CA 93546-0660
Mailing AddressPo Box 660, 85 Sierra Park RdMammoth Lakes, CA 93546-0660 · (760) 934-7302 · Fax (760) 934-1779
Phone(760) 934-7302
Fax(760) 934-1779
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateFebruary 13, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1093857963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

★ Primary SpecialtyPhysical Therapist · OrthopedicRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code2251X0800X
License✔ Licensed in CA · PT17248
Definition
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Orthopaedic Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science; pathology/pathophysiology, pain science, medical and surgical considerations, orthopaedic physical therapy theory and practice, and critical inquiry for evidence-based practice.
Also ListedPhysical TherapistTaxonomy 225100000X · License PT17468 (CA)
Also ListedPhysical Therapist · CardiopulmonaryTaxonomy 2251C2600X · License PT17468 (CA)
Also ListedPhysical Therapist · ErgonomicsTaxonomy 2251E1200X · License PT17468 (CA)
Also ListedPhysical Therapist · Electrophysiology, ClinicalTaxonomy 2251E1300X · License PT17468 (CA)
Also ListedPhysical Therapist · GeriatricsTaxonomy 2251G0304X · License PT17468 (CA)
Also ListedPhysical Therapist · HandTaxonomy 2251H1200X · License PT17468 (CA)
Also ListedPhysical Therapist · Human FactorsTaxonomy 2251H1300X · License PT17468 (CA)
Also ListedPhysical Therapist · NeurologyTaxonomy 2251N0400X · License PT17248 (CA)
Also ListedPhysical Therapist · PediatricsTaxonomy 2251P0200X · License PT17468 (CA)
Also ListedPhysical Therapist · SportsTaxonomy 2251S0007X · License PT17468 (CA)
85 SIERRA PARK RD, Mammoth Lakes, CA 93546
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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 and accepts Medicare assignment

Gillian Mcchesney Physical Therapist 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 ID8022461870
PECOS Enrollment IDI20240128000128

Medicare Billing Reassignment

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

Southern Mono Health Care District
Same address
Critical Access Hospital
85 SIERRA PARK RD
Mammoth Lakes, CA 93546
  • Reassigned Medicare billing, California enrollment
  • 113 clinicians in this Medicare group
NPI 1962444059 (760) 934-3311

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 4

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 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.
443 services56 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.
202 services46 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.
40 services26 patients
Evaluation for physical therapy, typically 20 minutes 97161
An evaluation for physical therapy is a short, 20-minute assessment where your physical condition, mobility, and pain levels are examined. This helps in designing a personalized therapy plan to enhance your physical function and well-being.
17 services16 patients

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.

PHYLLIS LEE MENESES RN
Registered Nurse (Registered Nurse First Assistant)
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 924-4075
DR. JONATHAN BOURNE M.D.
Anesthesiology
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 924-4078
DR. PAMELA LANDSTEINER MUNDELL M.D.
Dermatology
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 934-3311
ERIKO SUZUKI R.N., M.S., N.P.
Nurse Practitioner (Family)
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 934-2551
JENNIFER WATSON RN
Registered Nurse
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 934-3311
RENEE ELIZABETH HARTSMAN FNP
Registered Nurse
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 934-3311
SOUTHERN MONO HEALTH CARE DISTRICT
General Acute Care Hospital (Rural)
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 934-3311
DR. KIM ESCUDERO M.D.
Pediatrics
85 SIERRA PARK RD
MAMMOTH LAKES, CA 93546
Mono County (760) 924-4000

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 Gillian Mcchesney's NPI number?

The NPI number for Gillian Mcchesney is 1093857963. It was assigned to this individual provider in the NPPES registry on February 13, 2007.

Where is Gillian Mcchesney located?

Gillian Mcchesney practices at 85 Sierra Park Rd, Mammoth Lakes, CA 93546. The listed phone number is (760) 934-7302.

What is Gillian Mcchesney's specialty?

The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.

Is Gillian Mcchesney enrolled in Medicare?

Yes. Gillian Mcchesney 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 Gillian Mcchesney's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Mcchesney reassigns Medicare benefits to Southern Mono Health Care District (Mammoth Lakes, CA). 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 Gillian Mcchesney'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 Gillian Mcchesney was last updated on September 11, 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.