W. David Mello, M.D.
Gastroenterology Physician · Glendale, CA
W. David Mello, M.D. is a gastroenterology physician with a practice address in Glendale, California, and NPI 1376549733, issued on Jun 21, 2005. Check the license (California G040719, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- W. David Mello
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G040719 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1818 Verdugo Blvd, Glendale, CA 91208
- Phone
- (818) 790-0122
- Enumerated
- Jun 21, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (818) 790-4623
- Medicaid ID
- 00G407190 CA
- Medicare enrollment
- Enrolled (PECOS I20101123000057); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1818 Verdugo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify W. David Mello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G040719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average gastroenterology physician in 2024
1,532 Medicare Part D claims for 779 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf420 claims
- Pantoprazole Sodium291 claims
- Dicyclomine Hcl111 claims
- Cholestyramine38 claims
- Gavilyte-C38 claims
- Omeprazole38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $24.77
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
W. David Mello among 2,140 gastroenterology physician records in California
W. David Mello, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1978 · median 2002 among the 1,538 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Glendale → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Zaree Babakhanian, M.D.Glendale, CA 912081194055640
- Michael Klein, MDGlendale, CA 912081033205273
- Michael Mello, MDGlendale, CA 912081356571566
- Isaac Bartley, M.D.Glendale, CA 912061710088729
- Frederick Boghossian, M.D.Glendale, CA 912061841303849
- James Tabibian, M.D.Glendale, CA 912061831356732
- Avedis Tavitian, M.D.Glendale, CA 912051730144759
- Ara Tavitian, MDGlendale, CA 912051922063759
Common questions
What is W. David Mello, M.D.'s NPI number?
W. David Mello, M.D.'s National Provider Identifier (NPI) is 1376549733, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is W. David Mello, M.D. located?
The NPPES record lists a practice address at 1818 Verdugo Blvd, Glendale, CA, 91208. Phone: (818) 790-0122. Providers update this record themselves, so call before visiting.
How can I verify W. David Mello, M.D.'s license?
NPPES lists California license number G040719, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does W. David Mello, M.D. prescribe under Medicare Part D?
In 2024, W. David Mello, M.D. had 1,532 Medicare Part D claims for 779 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is W. David Mello, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.