Lillian Marie Montalvo, M.D.
Specialist · San Juan, PR
Lillian Marie Montalvo, M.D. is a specialist with a practice address in San Juan, Puerto Rico, and NPI 1205872967, issued on Jun 21, 2006. Check the license (Puerto Rico 13366, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lillian Marie Montalvo
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 13366 PR
Self-reported in NPPES; status is on the state search - Practice location
- Del Parque St. #142, San Juan, PR 00911
- Phone
- (787) 725-1100
- Enumerated
- Jun 21, 2006
- Record last updated
- Sep 4, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (787) 725-1200
- Entity
- Type 1 · individual
8 nearest specialist records → All 574 in Puerto Rico → Look up another NPI →
Verify Lillian Marie Montalvo 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 13366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average specialist in 2024
61 Medicare Part D claims for 32 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Betamethasone Dipropionate11 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: $955.39
26 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Lillian Marie Montalvo among 574 specialist records in Puerto Rico
Lillian Marie Montalvo, M.D. is one of 574 specialist records with a practice address in Puerto Rico. 54% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 37% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileNo · 26% of these records are
- Record last updated2009 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
162 specialist records list a practice address in San Juan
They are 162 of the 8,960 NPPES records with a practice address in San Juan, and 574 specialist records in Puerto Rico.
All 574 in Puerto Rico → Every provider in San Juan → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Flavia Bayron, PTSan Juan, PR 009111437409935
- Victor Vargas, LPTSan Juan, PR 009111497758700
- Gloria Colon, M.D.Santurce, PR 009121134104557
- Maribel Garcia, M.D.Santurce, PR 009121578548996
- Alcira Morales-Martinez, M.D.San Juan, PR 009121134195456
- Wilfredo Ramos, MDSan Juan, PR 009121992918247
- Angela Suarez-Ruiz, M.D.San Juan, PR 009121639147457
- Luz Torres, MDSan Juan, PR 009101467462697
Common questions
What is Lillian Marie Montalvo, M.D.'s NPI number?
Lillian Marie Montalvo, M.D.'s National Provider Identifier (NPI) is 1205872967, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lillian Marie Montalvo, M.D. located?
The NPPES record lists a practice address at Del Parque St. #142, San Juan, PR, 00911. Phone: (787) 725-1100. Providers update this record themselves, so call before visiting.
How can I verify Lillian Marie Montalvo, M.D.'s license?
NPPES lists Puerto Rico license number 13366, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Lillian Marie Montalvo, M.D. prescribe under Medicare Part D?
In 2024, Lillian Marie Montalvo, M.D. had 61 Medicare Part D claims for 32 beneficiaries; the average among specialist prescribers was 1,380. 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.