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HELEN OH
NPI 1952833535
Pediatrics in Pasadena, CA

Active since April 01, 2017PECOS Enrolled
3849 E FOOTHILL BLVD, PASADENA, CA 91107(626) 469-5437 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 27, 2025, Aug 27, 2023, May 16, 2022 and 1 more (4 updates tracked since 2017).

About Helen Oh NPPES

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

HELEN OH (NPI 1952833535) is an individual pediatrics provider in Pasadena, California, licensed in New York (304283) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952833535
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameHELEN OH
Location Address3849 E FOOTHILL BLVDPasadena, CA 91107-2204
Mailing Address1 Hollow Ln Ste 301New Hyde Park, NY 11042-1215
Phone(626) 469-5437
Sole ProprietorNo
Enumeration DateApril 1, 2017
Last NPPES UpdateJune 27, 20254 updates tracked since enumeration
NPPES CertifiedAugust 27, 2023
✔ NPI 1952833535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 304283
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
3849 E FOOTHILL BLVD, Pasadena, CA 91107
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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.

Medicare Billing Reassignment

Medicare enrollment records show Helen Oh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
5.3 mi
Health Maintenance Organization
3600 ROSEMEAD BLVD
Rosemead, CA 91770
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1942787114 (877) 608-0044

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91107 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADAM ZISMAN
Pediatrics
3849 E FOOTHILL BLVD
PASADENA, CA 91107
Los Angeles County (626) 469-5437
BENJERMIN FAN
Nurse Practitioner
3849 E FOOTHILL BLVD
PASADENA, CA 91107
Los Angeles County (626) 469-5433
MARIA VICTORIA PENA NP
Nurse Practitioner (Pediatrics)
3849 E FOOTHILL BLVD
PASADENA, CA 91107
Los Angeles County (626) 469-5437

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 Helen Oh's NPI number?

The NPI number for Helen Oh is 1952833535. It was assigned to this individual provider in the NPPES registry on April 1, 2017.

Where is Helen Oh located?

Helen Oh practices at 3849 E Foothill Blvd, Pasadena, CA 91107. The listed phone number is (626) 469-5437.

What is Helen Oh's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Helen Oh enrolled in Medicare?

Yes. Helen Oh is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Helen Oh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Oh reassigns Medicare benefits to Southern California Permanente Medical Group (Rosemead, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Helen Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Helen Oh was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.