Mary E. Fiol Lay, DMD
General Practice Dentistry · Bayamon, PR
Mary E. Fiol Lay, DMD is a general practice dentistry with a practice address in Bayamon, Puerto Rico, and NPI 1275675381, issued on Feb 13, 2007. Check the license (Puerto Rico 1054, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary E. Fiol Lay
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 1054 PR
Self-reported in NPPES; status is on the state search - Practice location
- Calle J Esq. Calle B Edificio Medico Hnas. Davila, Bayamon, PR 00959
- Phone
- (787) 740-1665
- Enumerated
- Feb 13, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (787) 269-4045
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 881 in Puerto Rico → Look up another NPI →
Verify Mary E. Fiol Lay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 1054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average general practice dentistry in 2024
45 Medicare Part D claims for 42 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Clindamycin Hcl39 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.
Mary E. Fiol Lay among 881 general practice dentistry records in Puerto Rico
Mary E. Fiol Lay, DMD is one of 881 general practice dentistry records with a practice address in Puerto Rico. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 57% of them.
- NPI issued2007 · 57% of these records are older, 19% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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 1223G0001X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 general practice dentistry records list a practice address in Bayamon
They are 80 of the 2,958 NPPES records with a practice address in Bayamon, and 881 general practice dentistry records in Puerto Rico.
All 881 in Puerto Rico → Every provider in Bayamon → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Ricardo AbellaBayamon, PR 009591407867013
- Irma Alvarez, DMDBayamin, PR 009591851483424
- Fernando Cabrera, D.M.DBayamon, PR 009591033115191
- Brunilda DiazBayamon, PR 009591912918525
- Alberto Diaz-Sanchez, DMD,MS,MPHBayamon, PR 009591063497485
- Linda Duran Gutierrez, MDBayamon, PR 009591245332576
- Pedro Fuentes LopezBayamon, PR 009591255433587
- Mayra Legrand Flores, D.M.D.Bayamon, PR 009591699747345
Common questions
What is Mary E. Fiol Lay, DMD's NPI number?
Mary E. Fiol Lay, DMD's National Provider Identifier (NPI) is 1275675381, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary E. Fiol Lay, DMD located?
The NPPES record lists a practice address at Calle J Esq. Calle B Edificio Medico Hnas. Davila, Bayamon, PR, 00959. Phone: (787) 740-1665. Providers update this record themselves, so call before visiting.
How can I verify Mary E. Fiol Lay, DMD's license?
NPPES lists Puerto Rico license number 1054, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Mary E. Fiol Lay, DMD prescribe under Medicare Part D?
In 2024, Mary E. Fiol Lay, DMD had 45 Medicare Part D claims for 42 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.