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DR. JOHN J HERNANDEZ M.D.
NPI 1043363997
Otolaryngology in Westlake Village, CA

Active since January 22, 2007PECOS EnrolledAccepts Medicare Assignment
0/100
CMS Quality Rating
1250 LA VENTA DRIVE, SUITE 110, WESTLAKE VILLAGE, CA 91361(818) 889-3230(805) 379-4733 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John J Hernandez M.d. NPPES

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

DR. JOHN J HERNANDEZ M.D. (NPI 1043363997) is an individual otolaryngology provider in Westlake Village, California, licensed in California (G26992) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1973).

NPPES Registry Identity

NPI1043363997
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. JOHN J HERNANDEZCredential: M.D.
Location Address1250 LA VENTA DRIVE, SUITE 110Westlake Village, CA 91361
Mailing Address1250 La Venta Drive, Suite 110Westlake Village, CA 91361 · (818) 889-3230 · Fax (805) 379-4733
Phone(818) 889-3230
Fax(805) 379-4733
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1973
Enumeration DateJanuary 22, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1043363997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · G26992
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
1250 LA VENTA DRIVE, SUITE 110, Westlake Village, CA 91361
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Other Identifiers 3

Medicare ID-Type Unspecified626992A
OtherG26992CA · Medical License
Medicare UPINA43172

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John J Hernandez M.d. 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 ID8426118738
PECOS Enrollment IDI20081117000484
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

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.

Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
437 services266 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
416 services228 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
312 services196 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
69 services69 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
26 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91361 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers14 claims14 services$39.45 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers12 claims72 services$1.46 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 John Hernandez's NPI number?

The NPI number for John Hernandez is 1043363997. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is John Hernandez located?

John Hernandez practices at 1250 La Venta Drive, Suite 110, Westlake Village, CA 91361. The listed phone number is (818) 889-3230.

What is John Hernandez's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is John Hernandez enrolled in Medicare?

Yes. John Hernandez 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.

When was this NPI record last updated?

The NPPES record for John Hernandez was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.