What is Kathryn Doubleday's specialty?

Kathryn Doubleday (NPI 1457440323) is a Medicare-billing provider whose primary specialty is Physical Therapist in Private Practice in Ojai, CA.

Where does Kathryn Doubleday practice?

Kathryn Doubleday practices in Ojai, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1457440323.

How much does Medicare pay Kathryn Doubleday?

Kathryn Doubleday (NPI 1457440323) received approximately $161K in total Medicare Part B payments, serving 244 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1457440323

Kathryn DoubledayDPT

Physical Therapist in Private PracticeOjai, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

927

Unique beneficiaries

—

Total services

6,490

Distinct HCPCS

Medicare payment

$160K

Peer benchmark

Total Medicare services vs. 6,864 Physical Therapist in Private Practice providers in CA — top quintile (cohort median 1,876).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

27.4

Quality

0.0

Cost

91.3

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-5.71%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Kathryn Doubleday's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 3 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	40	239
COMMUNITY MEMORIAL HEALTH SYSTEM	20	124
MENNINGER, FREDRICK	12	86

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
COMMUNITY MEMORIAL HEALTH SYSTEM	45	323
Unilab Corporation Clinical Laboratory · West Hills, CA	32	177
James Halverson Family Practice · Ojai, CA	17	173
COMMUNITY MEMORIAL HEALTH SYSTEM	16	73
Mary Dial Family Practice · Ojai, CA	12	99
Bruce Brockman Optometry · Ojai, CA	11	37

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events