Dr. W. David Mello, MD
- Medicare services, 2024
- 2,182
- Medicare patients, 2024
- 988
- Part D claims, 2024
- 1,532
- MIPS score, 2024
- 75
- Hospital affiliations
- 2
- Practice address
- 1818 Verdugo Blvd Ste B1, Glendale, CA 91208
- Practice phone
- Call (213) 740-7922
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
USC Verdugo Hills Ambulatory Surgery Center
Surgery Center - Not Medicare-Certified · Glendale, California
Find Dr. Mello's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. W. David Mello is a gastroenterologist in Glendale, California
Dr. Mello practices at USC Verdugo Hills Ambulatory Surgery Center in Glendale, California.
Dr. Mello's NPI, 1376549733, was assigned on June 21, 2005. Dr. Mello graduated from University of Illinois College of Medicine - Chicago in 1978. Dr. Mello holds California license G040719.
- NPI
- 1376549733NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274620299
- NPI enumeration date
- June 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 740-7922
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. W. David Mello practices at USC Verdugo Hills Ambulatory Surgery Center in Glendale, California
Dr. Mello's primary practice is USC Verdugo Hills Ambulatory Surgery Center, at 1818 Verdugo Blvd Ste B1, Glendale, CA 91208. The practice phone is (213) 740-7922.
- USC Verdugo Hills Ambulatory Surgery Center1818 Verdugo Blvd Ste B1, Glendale, CA 91208Phone(213) 740-7922
Source: Dmand AI Affiliation Data
Dr. W. David Mello is affiliated with 4 sites of care
Dr. Mello's primary practice is USC Verdugo Hills Ambulatory Surgery Center in Glendale, California. Dr. Mello is also affiliated with USC Verdugo Hills Hospital. Dmand AI also links Dr. Mello to 1 more hospital and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. W. David Mello's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mello practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| USC Verdugo Hills Ambulatory Surgery Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. W. David Mello is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Mello's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mello is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Mello is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver and gastroenteritis among the conditions Dr. Mello treats.
Gastroenterologists near Dr. Mello
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. W. David Mello billed Medicare for 2,182 services in 2024
CMS data shows 2,182 Medicare services from Dr. Mello across 17 procedure codes in 2024, for 988 Medicare patients. Medicare paid $220,825 for them.
Dr. Mello's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,7162024: 1,5957%
- Surgery
- 2023: 5582024: 49611%
- Other services
- 2023: 1342024: 9132%
Where Dr. Mello's Medicare services took place, 2024
- In an office92342%
- In a facility1,25958%
Dr. Mello compared with the California median for gastroenterologists, 2024
- Dr. Mello
- California median
- Medicare services
- 2,182vs 5863.7 times
- Medicare patients
- 988vs 3023.3 times
- Part D claims
- 1,264vs 3803.3 times
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Mello'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mello and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. W. David Mello treated 988 Medicare patients in 2024, average age 75
CMS counts 988 Medicare patients who saw Dr. Mello in 2024. The largest group is 65 to 74, with 437 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mello's median patient age at 62, with 53% women.
Dr. Mello's Medicare patients by age, 2024
Dr. Mello's Medicare patients by sex, 2024
- Women50651%
- Men48249%
Chronic conditions among Dr. Mello's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Diabetes47%
- Ischemic heart disease47%
- Mood disorders41%
- Depression38%
- Anxiety34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mello's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. W. David Mello wrote 1,532 Medicare Part D claims in 2024
In 2024, Dr. Mello wrote 1,532 Medicare Part D claims for 779 patients. 90% of them were for generic drugs. CMS names the drug for 1,264 of them, across 23 drugs with 11 or more claims each, at $78,642 in total drug cost. In 2023, CMS named 1,076 claims across 23 drugs.
Dr. Mello's Part D claims by kind of drug, 2024
- Generic1,374 claims90%
- Brand-name158 claims10%
Dr. Mello'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. Mello's Part D claims, 2024
- Antibiotics5%84 of 1,532 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: 1,0762024: 1,26417%
Drugs named by CMS: 23 in 2024, 23 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. W. David Mello scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Mello for performance year 2024, reported individually. Dr. Mello accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mello as offering telehealth. CMS counts 518 procedures of colonoscopy by Dr. Mello, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Mello ranks in Medicare procedure volume
- Colonoscopy
- 99th percentile518 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 98th percentile411 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. W. David Mello received $1,172 in industry payments from 2016 to 2025
CMS Open Payments shows 34 general payments to Dr. Mello from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 65% of the total. Sebela Pharmaceuticals Inc. paid the most, $355.
General payments to Dr. Mello by program year, 2016 to 2025
General payments to Dr. Mello by kind, 2016 to 2025
- Food and beverage$76265%
- Gifts$33328%
- Education$766%
Companies that paid Dr. Mello 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. W. David Mello graduated from University of Illinois College of Medicine - Chicago
Dr. Mello graduated from University of Illinois College of Medicine - Chicago in 1978.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. W. David Mello accepts plans from 17 insurance carriers
Dr. Mello is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- LA Care
- Blue Cross Blue Shield of Massachusetts
- Molina
- +9 more carriersWith a free account
Plan types Dr. Mello accepts, by number of carriers
- HMO9
- Medicare9
- PPO9
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. W. David Mello'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. W. David Mello
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. W. David Mello's NPI number?
Dr. W. David Mello's NPI number is 1376549733. It was assigned on June 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. W. David Mello?
Dr. W. David Mello is a gastroenterologist in Glendale, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. W. David Mello practice?
Dr. Mello practices at 1818 Verdugo Blvd Ste B1, Glendale, CA 91208. Dr. Mello's primary practice is USC Verdugo Hills Ambulatory Surgery Center in Glendale, California. Dmand AI also links Dr. Mello to 1 hospital and 1 physician office.
What is Dr. W. David Mello's office phone number?
The practice phone on file for Dr. Mello is (213) 740-7922.
What is Dr. W. David Mello's medical license number?
Dr. Mello holds California license G040719.
Which hospitals is Dr. W. David Mello affiliated with?
Dr. Mello is affiliated with USC Verdugo Hills Hospital. Dmand AI links Dr. Mello to 1 more hospital.
Does Dr. W. David Mello accept Medicare?
Yes. CMS data shows Dr. Mello billed Medicare for 2,182 services in 2024, and Dr. Mello accepts Medicare assignment.
Does Dr. W. David Mello offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mello as offering telehealth services.
What is Dr. W. David Mello's MIPS score?
Dr. Mello's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. W. David Mello see?
CMS counts 988 Medicare patients who saw Dr. Mello in 2024, with an average age of 75.
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Is Dr. W. David Mello board certified?
Yes. Dr. Mello is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. W. David Mello bill to Medicare?
In 2024, Dr. Mello's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and office visit, new patient (99204).
Where did Dr. W. David Mello go to medical school?
Dr. Mello graduated from University of Illinois College of Medicine - Chicago in 1978.
What drugs does Dr. W. David Mello prescribe most?
In 2024 Medicare Part D data, Dr. Mello's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Dicyclomine HCl.
Has Dr. W. David Mello received payments from drug or device companies?
CMS Open Payments shows $1,172 in general payments to Dr. Mello from 8 companies from 2016 to 2025. The largest total came from Sebela Pharmaceuticals Inc.
How long has Dr. W. David Mello been practicing?
Dr. Mello graduated from medical school in 1978, 48 years ago.
What insurance does Dr. W. David Mello accept?
Dr. Mello is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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