DR. THOMAS JOHN HORN (M.D.) – Adult Reconstructive Orthopaedic Surgery Physician, NPI 1194781005

Adult Reconstructive Orthopaedic Surgery Physician

DR. THOMAS JOHN HORN (M.D.) is a healthcare provider. based in Ventura, California. specializing in Adult Reconstructive Orthopaedic Surgery Physician. They hold the professional credentials M.D.. They hold a License No. G68161 (CA). The NPI Number for DR. THOMAS JOHN HORN (M.D.) is 1194781005

Main info

Male

42 Years Of Experience

Accepts Medicare Assignment

Name

DR. THOMAS JOHN HORN (M.D.)

NPI

1194781005

Phone

(805) 804-4168

Address

5720 RALSTON ST STE 200

Enumeration Date

21 April 2006

Last Update Date

7 March 2023

Doctor Profile

Medical School Name

UNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY

Secondary Phone

8056416415

Graduation Year

1984 (42 years ago)

PAC ID

5395709349

Group Practice PAC ID

2062312911

Professional Enrollment ID

I20100715000410

Contacts

Main Contact

https://venturaortho.com/

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness85

Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for DR. THOMAS JOHN HORN (M.D.)

Ralston Street, Winchester Homes, Ventura, Ventura County, California, 93009, United States
VENTURA, CA 930037844
Phone: (805) 804-4168
Fax: (805) 830-1177
Type: Mailing
Loma Vista Road, Ventura, Ventura County, California, 93001, United States
VENTURA, CA 930033165
Phone: (805) 641-6415
Fax: (805) 641-6424
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 93003)

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Provider's Procedures

DR. THOMAS JOHN HORN (M.D.) performs procedures in Adult Reconstructive Orthopaedic Surgery Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
ORTHOPEDIC SURGERY	CA	27447	Repair of knee joint	13	13
ORTHOPEDIC SURGERY	CA	73562	X-ray of knee, 3 views	46	32

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 2062312911View full group profile

Name	Specialty	State
BERNADETTE HERNANDEZ (PT)	-	CA
BREANNA LANGEL (DPT)	Physical Therapist In Private Practice	CA
MRS. PAIGE OLIVIA HANDY (OTS)	Occupational Therapist In Private Practice	CA
SHELBY ROSE DOUD (DPT)	-	CA
SEYED EHSAN HAERI	Physical Therapist In Private Practice	CA
REBECCA HAAS (PT, DPT)	Physical Therapist In Private Practice	CA
DR. KENTARO PRESSLY SUZUKI (M.D.)	Sports Medicine, Orthopedic Surgery	CA
ESMERALDA HUAMBACHANO RODRIGUEZ	Physical Therapist In Private Practice	CA
PARKER RAYMOND VINCENT	Physical Therapist In Private Practice	CA
DR. JOANNE HELEN WANG (MD)	Hand Surgery, Orthopedic Surgery	CA

Reviews

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Frequently asked questions

How do payers reference DR. THOMAS JOHN HORN (M.D.)?

For DR. THOMAS JOHN HORN (M.D.), use NPI 1194781005 as the unique 10-digit identifier.

Is DR. THOMAS JOHN HORN (M.D.) still an active registrant?

DR. THOMAS JOHN HORN (M.D.) carries an active NPI according to the public dataset.

What expertise is attributed to DR. THOMAS JOHN HORN (M.D.)?

DR. THOMAS JOHN HORN (M.D.)'s specialty line reads Adult Reconstructive Orthopaedic Surgery Physician. Clinical services aligned with this taxonomy classification.

Where in California is DR. THOMAS JOHN HORN (M.D.) registered?

Use Ventura, California as the headline location for DR. THOMAS JOHN HORN (M.D.) here.

Does DR. THOMAS JOHN HORN (M.D.) accept insurance?

Insurance participation is not part of the core NPI extract — call the plan or office to confirm.