DR. DONG JOO SEO MD
NPI 1750877221
Internal Medicine in Weymouth, MA

Q: What is Dong Joo Seo's NPI number?

The NPI number for Dong Joo Seo is 1750877221. It was assigned to this individual provider in the NPPES registry on July 7, 2018.

Q: What is Dong Joo Seo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dong Joo Seo was last updated on November 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since July 07, 2018PECOS EnrolledAccepts Medicare Assignment

82.78/100

CMS Quality Rating

55 FOGG RD, WEYMOUTH, MA 02190(781) 624-8000 Get Directions Write a Review

NPPES record last updated: November 17, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 17, 2021, Jul 7, 2018 (2 updates tracked since 2018).

On this page

About Dr. Dong Joo Seo Md NPPES

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

DR. DONG JOO SEO MD (NPI 1750877221) is an individual internal medicine provider in Weymouth, Massachusetts, licensed in Massachusetts (289378) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1750877221

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. DONG JOO SEOCredential: MD

Location Address55 FOGG RDWeymouth, MA 02190-2432

Mailing Address141 Longwater DrNorwell, MA 02061-1632 · (781) 792-4136

Phone(781) 624-8000

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateJuly 7, 2018

Last NPPES UpdateNovember 17, 20212 updates tracked since enumeration

NPPES CertifiedNovember 17, 2021

✔ NPI 1750877221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MA · 289378✔ Licensed in RI · LP04432

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.

55 FOGG RD, Weymouth, MA 02190

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Dong Joo Seo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113259805

PECOS Enrollment IDI20211202000778

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 Reassignments

Medicare enrollment records show Dong Joo Seo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Coastal Medical Associates

Same address

Anesthesiology

55 FOGG RD
Weymouth, MA 02190

Reassigned Medicare billing, Massachusetts enrollment
671 clinicians in this Medicare group

NPI 1932175684 (781) 340-4293

Pembroke Medical Associates Inc

8.6 mi

Internal Medicine

15 OLD WEST ELM ST
Pembroke, MA 02359

Reassigned Medicare billing, Massachusetts enrollment
28 clinicians in this Medicare group

NPI 1194332759 (781) 718-7435

Circle Medical Team LLC

14 mi

Internal Medicine

160 MAIN ST
Walpole, MA 02081

Reassigned Medicare billing, Massachusetts enrollment
19 clinicians in this Medicare group

NPI 1942832027 (267) 247-6735

Prime Healthcare Services Landmark LLC

30 mi

Orthopaedic Surgery

219 CASS AVE
Woonsocket, RI 02895

Reassigned Medicare billing, Rhode Island enrollment
Also billed through NPI 1518388651 (Rhode Island)
65 clinicians in this Medicare group

NPI 1457772543 (401) 769-4100

Freeland Primary Care PLLC

2,507 mi

Internal Medicine

5577 VANBARR PL
Freeland, WA 98249

Reassigned Medicare billing, Washington enrollment
12 clinicians in this Medicare group

NPI 1043557333 (360) 331-3343

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

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

576 services191 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

569 services162 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

225 services223 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

115 services89 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

81 services60 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

74 services74 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

South Shore Hospital

Acute Care Hospitals · South Weymouth, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220100

Location55 Fogg RoadSouth Weymouth, MA 02190 · Norfolk County

Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220110

Location75 Francis StreetBoston, MA 02115 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02190 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.78/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

88.33

Promoting Interoperability

Improvement Activities

Cost

69.53

Other Providers at the Same Location NPPES 20

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

LINDA CASHMAN-BELTON R.D.

Dietitian, Registered

55 FOGG RD
WEYMOUTH, MA 02190

Norfolk County (781) 340-4293

DR. ARI CHARLES SACKS M.D.

Radiology (Diagnostic Radiology)

55 FOGG RD
WEYMOUTH, MA 02190

Norfolk County (781) 624-8000

OLIVIA SERPA

Dietitian, Registered

55 FOGG RD
WEYMOUTH, MA 02190

Norfolk County (781) 624-8935

MRS. PAULA L KENNEDY RDN

Dietitian, Registered

55 FOGG RD
SOUTH WEYMOUTH, MA 02190

Norfolk County (781) 624-7267

DONNA J HUDSON-BRYANT FNP-BC, PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

55 FOGG RD
WEYMOUTH, MA 02190

Norfolk County (781) 624-8000

DR. GABRIEL PARIS DO

Pediatrics

55 FOGG RD
S WEYMOUTH, MA 02190

Norfolk County (781) 624-8000

MELISSA MCPHERSON

Social Worker (Clinical)

55 FOGG RD
WEYMOUTH, MA 02190

Norfolk County (781) 624-3021

NKIRU SOFIA OGBUEFI

Student in an Organized Health Care Education/Training Program

55 FOGG RD
SOUTH WEYMOUTH, MA 02190

Norfolk County (781) 624-8000

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 Dong Joo Seo's NPI number?

The NPI number for Dong Joo Seo is 1750877221. It was assigned to this individual provider in the NPPES registry on July 7, 2018.

Where is Dong Joo Seo located?

Dong Joo Seo practices at 55 Fogg Rd, Weymouth, MA 02190. The listed phone number is (781) 624-8000.

What is Dong Joo Seo's specialty?

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

Is Dong Joo Seo enrolled in Medicare?

Yes. Dong Joo Seo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Dong Joo Seo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dong Joo Seo reassigns Medicare benefits to 5 organizations: Coastal Medical Associates (Weymouth, MA), Pembroke Medical Associates Inc (Pembroke, MA), Circle Medical Team LLC (Walpole, MA), Prime Healthcare Services Landmark LLC (Woonsocket, RI) and Freeland Primary Care PLLC (Freeland, WA). Each 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 Dong Joo Seo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dong Joo Seo accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and Taro Health list Dong Joo Seo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Dong Joo Seo affiliated with any hospitals?

According to CMS data, Dong Joo Seo is affiliated with South Shore Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Dong Joo Seo was last updated on November 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.