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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LILLIANA MARIE SERRANO ARROYO
NPI 1851934129
Internal Medicine - Rheumatology in Ponce, PR

Active since October 19, 2019PECOS Enrolled
909 AVE TITO CASTRO STE 503, PONCE, PR 00716(787) 407-8741 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 29, 2026, Feb 10, 2025, May 30, 2020 and 1 more (4 updates tracked since 2019).

About Lilliana Marie Serrano Arroyo NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LILLIANA MARIE SERRANO ARROYO (NPI 1851934129) is an individual rheumatology provider in Ponce, Puerto Rico, licensed in Puerto Rico (023261) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851934129
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameLILLIANA MARIE SERRANO ARROYO
Location Address909 AVE TITO CASTRO STE 503Ponce, PR 00716-4721
Mailing AddressK3 Calle JeffersonGuaynabo, PR 00969-3815 · (787) 844-2080
Phone(787) 407-8741
Sole ProprietorNo
Enumeration DateOctober 19, 2019
Last NPPES UpdateJuly 29, 20264 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1851934129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in PR · 023261
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lilliana Marie Serrano Arroyo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00716 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RHEUMANOVA LLC
Internal Medicine (Rheumatology)
909 AVE TITO CASTRO STE 503
PONCE, PR 00716
Ponce Municipio (787) 407-8741

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lilliana Serrano Arroyo's NPI number?

The NPI number for Lilliana Serrano Arroyo is 1851934129. It was assigned to this individual provider in the NPPES registry on October 19, 2019.

Where is Lilliana Serrano Arroyo located?

Lilliana Serrano Arroyo practices at 909 Ave Tito Castro Ste 503, Ponce, PR 00716. The listed phone number is (787) 407-8741.

What is Lilliana Serrano Arroyo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Lilliana Serrano Arroyo enrolled in Medicare?

Yes. Lilliana Serrano Arroyo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lilliana Serrano Arroyo was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.