Gerardo Mercado, D.D.S.
Dentist · Downey, CA
Gerardo Mercado, D.D.S. is a dentist with a practice address in Downey, California, and NPI 1366757999, issued on Aug 6, 2010. Check the license (California 59598, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gerardo Mercado
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 59598 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10814 Old River School RD, Downey, CA 90241
- Phone
- (562) 806-5240
- Enumerated
- Aug 6, 2010
- Record last updated
- Aug 6, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Gerardo Mercado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average dentist in 2024
92 Medicare Part D claims for 28 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin31 claims
- Ibuprofen27 claims
- Chlorhexidine Gluconate18 claims
- Clindamycin Hcl12 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.
Industry payments in 2024: $265.86
12 payments; by number, the most common kind was food and beverage; the largest payer was OraPharma, a division of Bausch Health US, LLC. The 31,974 providers of this specialty with any payment received $540.36 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.
Gerardo Mercado among 14,729 dentist records in California
Gerardo Mercado, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 51% of them.
- NPI issued2010 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
71 dentist records list a practice address in Downey
They are 71 of the 3,607 NPPES records with a practice address in Downey, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Downey → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Behzad Abadi, DMDDowney, CA 902411588879100
- Steve Aivazian, DDSDowney, CA 902411902952633
- Samia Ali, DDSDowney, CA 902411508958794
- Neal Brown, DDSDowney, CA 902411619295862
- Jiwon KimDowney, CA 902411952611089
- Flora Lara, DDSDowney, CA 902411700947983
- Scott Mao, DDSDowney, CA 902411417178872
- Victoria Nguyen, DDSDowney, CA 902411972724334
Common questions
What is Gerardo Mercado, D.D.S.'s NPI number?
Gerardo Mercado, D.D.S.'s National Provider Identifier (NPI) is 1366757999, issued on Aug 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gerardo Mercado, D.D.S. located?
The NPPES record lists a practice address at 10814 Old River School RD, Downey, CA, 90241. Phone: (562) 806-5240. Providers update this record themselves, so call before visiting.
How can I verify Gerardo Mercado, D.D.S.'s license?
NPPES lists California license number 59598, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gerardo Mercado, D.D.S. prescribe under Medicare Part D?
In 2024, Gerardo Mercado, D.D.S. had 92 Medicare Part D claims for 28 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
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.