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LILLIAN SEO MD
NPI 1326614132
Internal Medicine in Providence, RI

Active since June 02, 2021PECOS Enrolled
245 CHAPMAN ST STE 100, PROVIDENCE, RI 02905(401) 444-6118(401) 444-8804 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 27, 2026, Feb 17, 2025, Jun 2, 2021 (3 updates tracked since 2021).

About Lillian Seo Md NPPES

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

LILLIAN SEO MD (NPI 1326614132) is an individual internal medicine provider in Providence, Rhode Island, licensed in Rhode Island (MD20731) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326614132
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLILLIAN SEOCredential: MD
Location Address245 CHAPMAN ST STE 100Providence, RI 02905-4539
Mailing Address180 Corliss St Ste E1Providence, RI 02904-2602 · (401) 793-2928
Phone(401) 444-6118
Fax(401) 444-8804
Sole ProprietorNo
Enumeration DateJune 2, 2021
Last NPPES UpdateJuly 27, 20263 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1326614132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · MD20731
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License MD20731 (RI)
245 CHAPMAN ST STE 100, Providence, RI 02905
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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)

Lillian Seo 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 Lillian Seo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rhode Island Hospital
1.4 mi
Pediatrics
593 EDDY ST
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 265 clinicians in this Medicare group
NPI 1861420333 (401) 444-6195

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 02905 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
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
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 8

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

DR. VINCENT ANTHONY DIMAGGIO M.D.
Pediatrics
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118
EKATERINA SKARITANOV MD
Student in an Organized Health Care Education/Training Program
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118
JUSTIN LEE BERK M.D.
Internal Medicine
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118
DR. TALIA CLAIRE CAMPBELL MD
Student in an Organized Health Care Education/Training Program
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118
CHINEME ONWUBUEKE
Student in an Organized Health Care Education/Training Program
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118
GABRIELLE MONTALBANO MD
Internal Medicine
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118
MRS. BRIANA L WINSTEAD LICSW
Social Worker (Clinical)
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118
DR. KATHERINE ELIZABETH DUPREY PHARMD
Pharmacist (Ambulatory Care)
245 CHAPMAN ST STE 100
PROVIDENCE, RI 02905
Providence County (401) 444-6118

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 Lillian Seo's NPI number?

The NPI number for Lillian Seo is 1326614132. It was assigned to this individual provider in the NPPES registry on June 2, 2021.

Where is Lillian Seo located?

Lillian Seo practices at 245 Chapman St Ste 100, Providence, RI 02905. The listed phone number is (401) 444-6118.

What is Lillian Seo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lillian Seo enrolled in Medicare?

Yes. Lillian Seo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lillian Seo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Seo reassigns Medicare benefits to Rhode Island Hospital (Providence, RI). 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 Lillian Seo'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 Lillian Seo was last updated on July 27, 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.