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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

OLIMPIA WELSH
NPI 1790618908
Family Medicine in Williamstown, NJ

Active since June 05, 2026PECOS Enrolled
339 MARISSA CT, WILLIAMSTOWN, NJ 08094(609) 805-7557 Get Directions Write a Review

NPPES record added: June 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Olimpia Welsh NPPES

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

OLIMPIA WELSH (NPI 1790618908) is an individual family medicine provider in Williamstown, New Jersey, licensed in New Jersey (26NJ15586700) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1790618908
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameOLIMPIA WELSH
Location Address339 MARISSA CTWilliamstown, NJ 08094-3644
Mailing Address339 Marissa CtWilliamstown, NJ 08094-3644
Phone(609) 805-7557
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJune 5, 2026
NPPES CertifiedJune 5, 2026
✔ NPI 1790618908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in NJ · 26NJ15586700
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
339 MARISSA CT, Williamstown, NJ 08094
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olimpia Welsh is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537623103
PECOS Enrollment IDI20260714004970
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 08094 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
$94.90 typical visit price
range $61.59 – $185.05
Typical copayment $23.72 (range $15.39 – $46.26)
Most-billed visit code 99203
Established Patient
$107.94 typical visit price
range $20.08 – $150.98
Typical copayment $26.98 (range $5.02 – $37.74)
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 Olimpia Welsh's NPI number?

The NPI number for Olimpia Welsh is 1790618908. It was assigned to this individual provider in the NPPES registry on June 5, 2026.

Where is Olimpia Welsh located?

Olimpia Welsh practices at 339 Marissa Ct, Williamstown, NJ 08094. The listed phone number is (609) 805-7557.

What is Olimpia Welsh's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Olimpia Welsh enrolled in Medicare?

Yes. Olimpia Welsh is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Olimpia Welsh was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.