What is Waldemar Rios's NPI number?

Waldemar Rios's National Provider Identifier (NPI) is 1003884065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Waldemar Rios's specialty?

Waldemar Rios is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Waldemar Rios located?

Waldemar Rios's practice location on file with NPPES is 400 Ave Domenech, San Juan, PR 00918-3710.

What is Waldemar Rios's phone number?

The practice phone number listed in the NPPES registry for Waldemar Rios is (787) 250-0084.

Does Waldemar Rios accept Medicare?

Waldemar Rios is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Waldemar Rios's NPI active?

Yes — Waldemar Rios's NPI (1003884065) is active in the NPPES registry as of the last update on 2012-04-02.

IndividualActiveAccepts Medicare

Waldemar Rios, M.D.

NPI 1003884065 · Internal Medicine Physician · San Juan, PR

Waldemar Rios, M.D. is a Internal Medicine Physician provider in San Juan, PR (NPI 1003884065).

Provider details

NPI number: 1003884065
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 14760 (PR)

Practice location

400 Ave Domenech

Suite 607

San Juan, PR 00918-3710

Phone: (787) 250-0084

Fax: (787) 250-2181

More PR providers

Mailing address

400 Ave Domenech

San Juan, PR 00918-3710

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 14760 (PR)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2006-03-08
Last updated: 2012-04-02

Frequently asked questions

What is Waldemar Rios's NPI number?: Waldemar Rios's National Provider Identifier (NPI) is 1003884065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Waldemar Rios's specialty?: Waldemar Rios is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Waldemar Rios located?: Waldemar Rios's practice location on file with NPPES is 400 Ave Domenech, San Juan, PR 00918-3710.
What is Waldemar Rios's phone number?: The practice phone number listed in the NPPES registry for Waldemar Rios is (787) 250-0084.
Does Waldemar Rios accept Medicare?: Waldemar Rios is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Waldemar Rios's NPI active?: Yes — Waldemar Rios's NPI (1003884065) is active in the NPPES registry as of the last update on 2012-04-02.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions