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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.

MFM INTERNAL MEDICINE LLC
NPI 1831993286
Internal Medicine in Anasco, PR

Active since April 03, 2025
93 CALLE 65 INFANTERIA STE 3, ANASCO, PR 00610(787) 826-3540 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 22, 2026, Apr 3, 2025 (2 updates tracked since 2025).

About Mfm Internal Medicine Llc NPPES

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

MFM INTERNAL MEDICINE LLC (NPI 1831993286) is a healthcare organization registered as an internal medicine in Anasco, Puerto Rico and active in the NPI registry since April 2025. The organization maintains a secondary practice location in Mayaguez and lists Miguel F Maymon Lugo, President, as its authorized official.

NPPES Registry Identity

NPI1831993286
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMFM INTERNAL MEDICINE LLC
Location Address93 CALLE 65 INFANTERIA STE 3Anasco, PR 00610-2947
Mailing AddressPo Box 1478Mayaguez, PR 00681-1478
Phone(787) 826-3540
Organization SubpartNo
Authorized OfficialMiguel F Maymon LugoPresident · (787) 834-6825
Enumeration DateApril 3, 2025
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1831993286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X
Also ListedChiropractorTaxonomy 111N00000X
Also ListedNutritionistTaxonomy 133N00000X
Also ListedMassage TherapistTaxonomy 225700000X
Also ListedClinic/CenterTaxonomy 261Q00000X
Also ListedPhysician AssistantTaxonomy 363A00000X

Secondary Practice Location 1

Location 11-A Edificio Torre Peral 16, Calle Peral NMayaguez, PR 00680 · Phone (787) 951-3690

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mfm Internal Medicine Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mfm Internal Medicine LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Miguel Maymon Lugo, MD
Internal Medicine
NPI 1295732766
16 CALLE PERAL N 1-A EDIFICIO TORRE PERAL
Mayaguez, PR 00680
(787) 834-6825
✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Mfm Internal Medicine LLC's NPI number?

The NPI number for Mfm Internal Medicine LLC is 1831993286. It was assigned to this organization in the NPPES registry on April 3, 2025.

Where is Mfm Internal Medicine LLC located?

Mfm Internal Medicine LLC is located at 93 Calle 65 Infanteria Ste 3, Anasco, PR 00610. The listed phone number is (787) 826-3540.

What is Mfm Internal Medicine LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mfm Internal Medicine LLC enrolled in Medicare?

Yes. Mfm Internal Medicine LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mfm Internal Medicine LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Mfm Internal Medicine LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mfm Internal Medicine LLC was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.