What is Arnulfo Vielgo's NPI number?

Arnulfo Vielgo's National Provider Identifier (NPI) is 1992717029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Arnulfo Vielgo's specialty?

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

Where is Arnulfo Vielgo located?

Arnulfo Vielgo's practice location on file with NPPES is 9730 S Western Ave, Evergreen Park, IL 60805-2814.

What is Arnulfo Vielgo's phone number?

The practice phone number listed in the NPPES registry for Arnulfo Vielgo is (708) 425-7337.

Does Arnulfo Vielgo accept Medicare?

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

Is Arnulfo Vielgo's NPI active?

Yes — Arnulfo Vielgo's NPI (1992717029) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActiveAccepts Medicare

Arnulfo Vielgo, M.D.

NPI 1992717029 · Internal Medicine Physician · Evergreen Park, IL

Arnulfo Vielgo, M.D. is a Internal Medicine Physician provider in Evergreen Park, IL (NPI 1992717029).

Provider details

NPI number: 1992717029
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No

Practice location

9730 S Western Ave

Suite 500

Evergreen Park, IL 60805-2814

Phone: (708) 425-7337

Street-level locationGet directions

More IL providers

Mailing address

2311 W 22nd St

Oak Brook, IL 60523-1225

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000X
Allopathic & Osteopathic Physicians

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

Profile Score

Detailed profile(84/100 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
83% 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: 2006-08-13
Last updated: 2007-07-08

Frequently asked questions

What is Arnulfo Vielgo's NPI number?: Arnulfo Vielgo's National Provider Identifier (NPI) is 1992717029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Arnulfo Vielgo's specialty?: Arnulfo Vielgo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Arnulfo Vielgo located?: Arnulfo Vielgo's practice location on file with NPPES is 9730 S Western Ave, Evergreen Park, IL 60805-2814.
What is Arnulfo Vielgo's phone number?: The practice phone number listed in the NPPES registry for Arnulfo Vielgo is (708) 425-7337.
Does Arnulfo Vielgo accept Medicare?: Arnulfo Vielgo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Arnulfo Vielgo's NPI active?: Yes — Arnulfo Vielgo's NPI (1992717029) is active in the NPPES registry as of the last update on 2007-07-08.

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