Dolly Estabillo Mercado, DDS
General Practice Dentistry · Hayward, CA
Dolly Estabillo Mercado, DDS is a general practice dentistry with a practice address in Hayward, California, and NPI 1639295793, issued on Mar 21, 2007. Check the license (California 48334, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dolly Estabillo Mercado
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 48334 CA
Self-reported in NPPES; status is on the state search - Practice location
- 677B W Tennyson RD, Hayward, CA 94544
- Phone
- (510) 887-8888
- Enumerated
- Mar 21, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 887-1888
- Entity
- Type 1 · individual
Also registered at 677B W Tennyson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Galvez, DDSDentist1033598917
Verify Dolly Estabillo 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 48334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average general practice dentistry in 2024
36 Medicare Part D claims for 19 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen11 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.
66 general practice dentistry records list a practice address in Hayward
They are 66 of the 3,993 NPPES records with a practice address in Hayward, and 17,852 general practice dentistry records in California.
All 66 in Hayward → All 17,852 in California → Every provider in Hayward →
Other general practice dentistry records in California
- Ronald Aanerud, DDSSan Diego, CA1871752931
- Steven Aaronson, D.D.S.Santa Monica, CA1265455851
- Shahrzad Aarup, DDSPomona, CA1265784367
- Al Abad, DDSSan Jose, CA1104992148
- Erwin Abad, D.D.S.Canoga Park, CA1861590093
- Francine Abad, DDSSan Francisco, CA1942700810
- Maria Abad, D.D.S.Norwalk, CA1215006754
- Mark Ryan Abad, DDSDaly City, CA1770357394
- Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
- Ernesto Abadilla, DDSPalm Desert, CA1508063801
Common questions
What is Dolly Estabillo Mercado, DDS's NPI number?
Dolly Estabillo Mercado, DDS's National Provider Identifier (NPI) is 1639295793, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dolly Estabillo Mercado, DDS located?
The NPPES record lists a practice address at 677B W Tennyson RD, Hayward, CA, 94544. Phone: (510) 887-8888. Providers update this record themselves, so call before visiting.
How can I verify Dolly Estabillo Mercado, DDS's license?
NPPES lists California license number 48334, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dolly Estabillo Mercado, DDS prescribe under Medicare Part D?
In 2024, Dolly Estabillo Mercado, DDS had 36 Medicare Part D claims for 19 beneficiaries; the average among general practice dentistry prescribers was 83. 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.