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Dr. Charles L. Menz, MD
NPI1447286141PAC ID6204883200
- Medicare services, 2024
- 2,651
- Medicare patients, 2024
- 823
- Part D claims, 2024
- 577
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 5810 Ralston St, Ventura, CA 93003
- Practice phone
- Call (805) 650-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ventura Endoscopy Center LLC
Ventura, California
Find Dr. Menz's professional email, personal email and mobile number
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Dr. Charles L. Menz is a gastroenterologist in Ventura, California
Dr. Menz practices at Ventura Endoscopy Center LLC in Ventura, California.
Dr. Menz's NPI, 1447286141, was assigned on June 24, 2006. Dr. Menz graduated from Spencer Fox Eccles School of Medicine in 1975. Dr. Menz holds California license G032764.
NPI and contact details
- NPI
- 1447286141NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204883200
- NPI enumeration date
- June 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 650-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles L. Menz practices at Ventura Endoscopy Center LLC in Ventura, California
Dr. Menz's primary practice is Ventura Endoscopy Center LLC, at 5810 Ralston St, Ventura, CA 93003 in Ventura County. The practice phone is (805) 650-5500.
- Ventura Endoscopy Center LLC5810 Ralston St, Ventura, CA 93003 · Ventura CountyPhone(805) 650-5500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charles L. Menz is affiliated with 5 sites of care and 3 medical groups
Dr. Menz's primary practice is Ventura Endoscopy Center LLC in Ventura, California. Dr. Menz is also affiliated with Community Memorial Hospital - Ventura. The medical group on file is Ventura County Medical Center. Dmand AI also links Dr. Menz to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Ventura Endoscopy Center LLCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charles L. Menz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Menz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ventura Endoscopy Center LLC | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Charles L. Menz is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Menz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Menz is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Menz is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroenteritis, gastrointestinal bleeding and hemorrhoids among the conditions Dr. Menz treats.
Gastroenterologists near Dr. Menz
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
1,977gastroenterologists in California
8gastroenterologists in Ventura
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Charles L. Menz billed Medicare for 2,651 services in 2024
CMS data shows 2,651 Medicare services from Dr. Menz across 23 procedure codes in 2024, for 823 Medicare patients. Medicare paid $166,677 for them.
Medicare services, 20242,651
Medicare patients823
Paid by Medicare$166,677
Procedure codes23
Dr. Menz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3172024: 1,426350%
- Other services
- 2023: 4932024: 72948%
- Surgery
- 2023: 4232024: 49617%
Where Dr. Menz's Medicare services took place, 2024
- In an office1,61361%
- In a facility1,03839%
Dr. Menz compared with the California median for gastroenterologists, 2024
- Dr. Menz
- California median
- Medicare services
- 2,651vs 5864.5 times
- Medicare patients
- 823vs 3022.7 times
- Part D claims
- 423vs 38011% above
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Menz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Menz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Menz and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles L. Menz treated 823 Medicare patients in 2024, average age 73
CMS counts 823 Medicare patients who saw Dr. Menz in 2024. The largest group is 65 to 74, with 414 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Menz's median patient age at 64, with 54% women.
Medicare patients, 2024823
Average age73
Average risk score1.24
Also on Medicaid19%
Dr. Menz's Medicare patients by age, 2024
Dr. Menz's Medicare patients by sex, 2024
- Women44454%
- Men37946%
Chronic conditions among Dr. Menz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Mood disorders30%
- Depression27%
- Anxiety26%
- Diabetes26%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Menz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles L. Menz wrote 577 Medicare Part D claims in 2024
In 2024, Dr. Menz wrote 577 Medicare Part D claims for 222 patients. 90% of them were for generic drugs. CMS names the drug for 423 of them, across 10 drugs with 11 or more claims each, at $22,872 in total drug cost. In 2023, CMS named 531 claims across 13 drugs.
Part D claims, 2024577
Drugs named by CMS10
Total drug cost$22,872
Part D patients222
Dr. Menz's Part D claims by kind of drug, 2024
- Generic521 claims90%
- Brand-name56 claims10%
Dr. Menz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Menz's Part D claims, 2024
- Antibiotics3%16 of 577 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5312024: 42320%
Drugs named by CMS: 10 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Charles L. Menz ranks in the 78th percentile for colonoscopy in Medicare
Dr. Menz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 94 procedures of colonoscopy by Dr. Menz, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Menz ranks in Medicare procedure volume
- Colonoscopy
- 78th percentile94 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 66th percentile58 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charles L. Menz has 1 publication on record
Dmand AI links 1 paper to Dr. Menz. Dr. Menz's most frequent co-author is Martin A. Winston, MD.
Papers1
Dr. Menz's most frequent co-authors
Recent publications by Dr. Menz
See who Dr. Menz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Menz works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Charles L. Menz received $2,386 in industry payments from 2016 to 2025
CMS Open Payments shows 137 general payments to Dr. Menz from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $703.
General payments to Dr. Menz by program year, 2016 to 2025
Companies that paid Dr. Menz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles L. Menz has 1 award and honors on record
Dmand AI lists 1 award for Dr. Menz, most recently Top Doctors:LA Area in 2013.
Awards and honors for Dr. Menz
- 2013
- Top Doctors:LA Area
Source: Dmand AI Professional Profile Data
Dr. Charles L. Menz graduated from Spencer Fox Eccles School of Medicine
Dr. Menz graduated from Spencer Fox Eccles School of Medicine in 1975.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Charles L. Menz accepts plans from 14 insurance carriers
Dr. Menz is in network with 14 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Menz accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO5
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Charles L. Menz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charles L. Menz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Charles L. Menz's NPI number?
Dr. Charles L. Menz's NPI number is 1447286141. It was assigned on June 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles L. Menz?
Dr. Charles L. Menz is a gastroenterologist in Ventura, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Charles L. Menz practice?
Dr. Menz practices at 5810 Ralston St, Ventura, CA 93003. Dr. Menz's primary practice is Ventura Endoscopy Center LLC in Ventura, California. Dmand AI also links Dr. Menz to 3 group practices and clinics and 2 medical groups.
What is Dr. Charles L. Menz's office phone number?
The practice phone on file for Dr. Menz is (805) 650-5500.
What is Dr. Charles L. Menz's medical license number?
Dr. Menz holds California license G032764.
Which hospitals is Dr. Charles L. Menz affiliated with?
Dr. Menz is affiliated with Community Memorial Hospital - Ventura.
What medical group is Dr. Charles L. Menz part of?
Dr. Menz is linked to Ventura County Medical Center. Dmand AI links Dr. Menz to 2 more medical groups.
Does Dr. Charles L. Menz accept Medicare?
Yes. CMS data shows Dr. Menz billed Medicare for 2,651 services in 2024, and Dr. Menz accepts Medicare assignment.
How many Medicare patients does Dr. Charles L. Menz see?
CMS counts 823 Medicare patients who saw Dr. Menz in 2024, with an average age of 73.
Is Dr. Charles L. Menz board certified?
Yes. Dr. Menz is board certified in gastroenterology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Charles L. Menz bill to Medicare?
In 2024, Dr. Menz's most billed Medicare services were medicare service (G0500), care management and other visits (99458) and medicare service (G2211).
Where did Dr. Charles L. Menz go to medical school?
Dr. Menz graduated from Spencer Fox Eccles School of Medicine in 1975.
What drugs does Dr. Charles L. Menz prescribe most?
In 2024 Medicare Part D data, Dr. Menz's most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.
Has Dr. Charles L. Menz received payments from drug or device companies?
CMS Open Payments shows $2,386 in general payments to Dr. Menz from 28 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Charles L. Menz been practicing?
Dr. Menz graduated from medical school in 1975, 51 years ago.
Does Dr. Charles L. Menz do research?
Dmand AI links 1 publication to Dr. Menz.
Who does Dr. Charles L. Menz publish with?
Dr. Menz's most frequent co-authors are Martin A. Winston, MD (1 shared paper).
What insurance does Dr. Charles L. Menz accept?
Dr. Menz is in network with 14 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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