MS. AGNES L SO MD
NPI 1649207515
Pediatrics in Brooklyn, NY

Active since June 27, 2006PECOS Enrolled
833 58TH STREET, FL 1, BROOKLYN, NY 11220(718) 686-8888(718) 290-2913 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 1, 2026, Jan 7, 2021 (2 updates tracked since 2021).

About Ms. Agnes L So Md NPPES

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

MS. AGNES L SO MD (NPI 1649207515) is an individual pediatrics provider in Brooklyn, New York, licensed in New York (213474-1) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1649207515
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMS. AGNES L SOCredential: MD
Location Address833 58TH STREET, FL 1Brooklyn, NY 11220-3609
Mailing Address366 5th Ave, Fl 4New York, NY 10001-2241
Fax(718) 290-2913
Sole ProprietorNo
Enumeration DateJune 27, 2006
Last NPPES UpdateSeptember 1, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1649207515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 213474-1
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.
833 58TH STREET, Brooklyn, NY 11220

Secondary Practice Location 1

Location 1863 50TH STREET, FL 2 SUITE M5BROOKLYN, NY 11220-6877 · Phone (718) 686-8880

Other Identifiers 1

Medicaid01988903NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Agnes L So Md 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 Agnes So reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
139 CENTRE ST STE 711
New York, NY 10013
  • Reassigned Medicare billing, New York enrollment
  • 284 clinicians in this Medicare group

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 11220 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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

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

Family Medicine
833 58TH STREET, FL 1
BROOKLYN, NY 11220

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 Agnes So's NPI number?

The NPI number for Agnes So is 1649207515. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Where is Agnes So located?

Agnes So practices at 833 58th Street Fl 1, Brooklyn, NY 11220. The listed phone number is (718) 686-8888.

What is Agnes So's specialty?

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

Is Agnes So enrolled in Medicare?

Yes. Agnes So is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Agnes So's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Agnes So reassigns Medicare benefits to Chinatown True Care Medical PLLC (New York, NY). 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 Agnes So'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 Agnes So was last updated on September 1, 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.