Lilliam I. Monllor, M.D.
General Practice Physician · Bayamon, PR
Lilliam I. Monllor, M.D. is a general practice physician with a practice address in Bayamon, Puerto Rico, and NPI 1962446187, issued on Jun 16, 2006. Check the license (Puerto Rico 15024, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lilliam I. Monllor
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 15024 PR
Self-reported in NPPES; status is on the state search - Practice location
- Ext. Villa Rica J8 Calle 9, Bayamon, PR 00959
- Phone
- (787) 605-5255
- Enumerated
- Jun 16, 2006
- Record last updated
- Aug 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041008000815); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Lilliam I. Monllor 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 15024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average general practice physician in 2024
723 Medicare Part D claims for 244 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Levofloxacin47 claims
- Pantoprazole Sodium32 claims
- Diclofenac Potassium29 claims
- Tamsulosin Hcl25 claims
- Lorazepam21 claims
- Azithromycin20 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.
Bills Medicare through 2 group practices
- Physician Services Group LLC PS GroupBayamon, PR
- Pro Health Clinical Services LLCBayamon, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lilliam I. Monllor among 4,170 general practice physician records in Puerto Rico
Lilliam I. Monllor, M.D. is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 65% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated1990 · median 2004 among the 1,228 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
273 general practice physician records list a practice address in Bayamon
They are 273 of the 2,958 NPPES records with a practice address in Bayamon, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Bayamon → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Wanda Ayala, M.D.Bayamon, PR 009591710937651
- Juan Ferran, M.D.Bayamon, PR 009591891793485
- Jose Fossas Blanco, MDBayamon, PR 009591144209859
- Antonio Maisonet-Rodriguez, MDBayamon, PR 009591124019666
- Ismael Mercado, MDBayamon, PR 009591376521997
- Waleska Nunez, MDBayamon, PR 009591396715322
- Anthony Rivera Linares, M.D.Bayamon, PR 009591306840160
- Maria Robles Barreto, MDBayamon, PR 009591831185016
Common questions
What is Lilliam I. Monllor, M.D.'s NPI number?
Lilliam I. Monllor, M.D.'s National Provider Identifier (NPI) is 1962446187, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lilliam I. Monllor, M.D. located?
The NPPES record lists a practice address at Ext. Villa Rica J8 Calle 9, Bayamon, PR, 00959. Phone: (787) 605-5255. Providers update this record themselves, so call before visiting.
How can I verify Lilliam I. Monllor, M.D.'s license?
NPPES lists Puerto Rico license number 15024, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Lilliam I. Monllor, M.D. prescribe under Medicare Part D?
In 2024, Lilliam I. Monllor, M.D. had 723 Medicare Part D claims for 244 beneficiaries; the average among general practice physician prescribers was 3,030. 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.