CHARLES L. MENZ MD – NPI #1447286141
Internal Medicine

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Health Care Provider Taxonomy Code for Internal Medicine

CHARLES MENZ is a physician located in VENTURA, CA. NPPES has assigned the NPI number 1447286141 to CHARLES MENZ on June 24, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology

The NPI profile was last updated on Nov 17, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for CHARLES MENZ below.

NPI Profile for
CHARLES L. MENZ

NPI Number
1447286141
Enumeration Date

(about 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
CHARLES L. MENZ
Credentials
MD
Primary location
168 N BRENT ST
STE 404
VENTURA, CA 93003
Phone: (805) 641-6525 Fax: (805) 641-6530
1 Other location(s):
300 Hillmont Ave
Ventura, CA 93003-1651
Phone: (805) 652-6000
Mailing address
168 N BRENT ST STE 404
VENTURA, CA 93003-2824
Phone: (805) 641-6525 Fax: (805) 641-6530
Sole Proprietor
No
Updated
Certification Date
Nov 17, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for CHARLES MENZ

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherRR MEDICARECP1005
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RG0100X
- Internal Medicine / Gastroenterology (Primary)		 CA G032764

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
CERNER DIRECT SECURE EMAIL
Content Type
OTHER
Affiliation
N
Endpoint Location
300 HILLMONT AVE,
VENTURA, CA 77025-1669

Additional Information

Education
UNIVERSITY OF UTAH SCHOOL OF MEDICINE - Graduated 1975
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
CHARLES MENZ is affiliated with the following medical group(s):
  • HOSPITAL
    • COMMUNITY MEMORIAL HOSPITAL SAN BUENAVENTURA
      147 N BRENT ST
      VENTURA, CA 93003
    • OJAI VALLEY COMMUNITY HOSPITAL
      1306 MARICOPA HWY
      OJAI, CA 93023
    • ST JOHNS REGIONAL MEDICAL CENTER
      1600 N ROSE AVE
      OXNARD, CA 93030
    • VENTURA COUNTY MEDICAL CENTER
      300 HILLMONT AVENUE
      VENTURA, CA 93003

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.