DANNEL DIAZ RUIZ MD
NPI 1679066435
Internal Medicine - Endocrinology, Diabetes & Metabolism in Mayaguez,, PR

Q: What is Dannel Diaz Ruiz's NPI number?

The NPI number for Dannel Diaz Ruiz is 1679066435. It was assigned to this individual provider in the NPPES registry on June 7, 2018.

Q: What is Dannel Diaz Ruiz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Dannel Diaz Ruiz was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.

Active since June 07, 2018PECOS Enrolled

313 CALLE PIRINEO, MIRADERO HILLS, MAYAGUEZ,, PR 00680(787) 477-8410 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 25, 2025, Apr 29, 2022 (2 updates tracked since 2022).

On this page

About Dannel Diaz Ruiz Md NPPES

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

DANNEL DIAZ RUIZ MD (NPI 1679066435) is an individual endocrinology, diabetes & metabolism provider in Mayaguez,, Puerto Rico, licensed in Puerto Rico (23235) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1679066435

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameDANNEL DIAZ RUIZCredential: MD

Location Address313 CALLE PIRINEO, MIRADERO HILLSMayaguez,, PR 00680

Mailing AddressPo Box 425Utuado, PR 00641-0425 · (787) 477-8410

Phone(787) 477-8410

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateJune 7, 2018

Last NPPES UpdateFebruary 25, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 25, 2025

✔ NPI 1679066435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in PR · 23235

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 35253-R (PR)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 14699-I (PR)

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dannel Diaz Ruiz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3971985672

PECOS Enrollment IDI20250630004232

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 00680 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.

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 Dannel Diaz Ruiz's NPI number?

The NPI number for Dannel Diaz Ruiz is 1679066435. It was assigned to this individual provider in the NPPES registry on June 7, 2018.

Where is Dannel Diaz Ruiz located?

Dannel Diaz Ruiz practices at 313 Calle Pirineo Miradero Hills, Mayaguez,, PR 00680. The listed phone number is (787) 477-8410.

What is Dannel Diaz Ruiz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Dannel Diaz Ruiz enrolled in Medicare?

Yes. Dannel Diaz Ruiz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Dannel Diaz Ruiz was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.