What is Walstir Fonseca's NPI number?

Walstir Fonseca's National Provider Identifier (NPI) is 1013933506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Walstir Fonseca's specialty?

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

Where is Walstir Fonseca located?

Walstir Fonseca's practice location on file with NPPES is 76 S Kings Peak Dr, Lindon, UT 84042-2223.

What is Walstir Fonseca's phone number?

The practice phone number listed in the NPPES registry for Walstir Fonseca is (801) 370-5193.

Is Walstir Fonseca's NPI active?

Yes — Walstir Fonseca's NPI (1013933506) is active in the NPPES registry as of the last update on 2026-06-07.

IndividualActive

Walstir Fonseca, MD

NPI 1013933506 · Internal Medicine Physician · Lindon, UT

Walstir Fonseca, MD is a Internal Medicine Physician provider in Lindon, UT (NPI 1013933506).

Provider details

NPI number: 1013933506
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: 329175-1205 (UT)

Practice location

76 S Kings Peak Dr

Lindon, UT 84042-2223

Phone: (801) 370-5193

Street-level locationGet directions

More UT providers

Mailing address

76 S Kings Peak Dr

Lindon, UT 84042-2223

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 329175-1205 (UT)
Allopathic & Osteopathic Physicians

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: 2006-07-15
Last updated: 2026-06-07
Certified: 2021-11-23

Frequently asked questions

What is Walstir Fonseca's NPI number?: Walstir Fonseca's National Provider Identifier (NPI) is 1013933506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Walstir Fonseca's specialty?: Walstir Fonseca is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Walstir Fonseca located?: Walstir Fonseca's practice location on file with NPPES is 76 S Kings Peak Dr, Lindon, UT 84042-2223.
What is Walstir Fonseca's phone number?: The practice phone number listed in the NPPES registry for Walstir Fonseca is (801) 370-5193.
Is Walstir Fonseca's NPI active?: Yes — Walstir Fonseca's NPI (1013933506) is active in the NPPES registry as of the last update on 2026-06-07.

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