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SEONG YOON KIM MD
NPI 1558920652
Internal Medicine in Worcester, MA

Active since June 12, 2019PECOS EnrolledAccepts Medicare Assignment
1 W BOYLSTON ST, WORCESTER, MA 01605(508) 854-2636(508) 854-1667 Get Directions Write a Review

NPPES record last updated: August 30, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 30, 2022, Jun 12, 2019 (2 updates tracked since 2019).

About Seong Yoon Kim Md NPPES

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

SEONG YOON KIM MD (NPI 1558920652) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (292895) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1558920652
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSEONG YOON KIMCredential: MD
Location Address1 W BOYLSTON STWorcester, MA 01605-1265
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 854-2636
Fax(508) 854-1667
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJune 12, 2019
Last NPPES UpdateAugust 30, 20222 updates tracked since enumeration
NPPES CertifiedAugust 30, 2022
✔ NPI 1558920652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 292895
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.
1 W BOYLSTON ST, Worcester, MA 01605
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.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

Seong Yoon Kim 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 ID5496130965
PECOS Enrollment IDI20220920000898
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 Seong Yoon Kim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Umass Memorial Medical Group Inc
2.0 mi
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000

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 11

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
177 services127 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
143 services143 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
96 services77 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
52 services51 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.
30 services29 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
24 services19 patients

Hospital Affiliations CMS Care Compare 4

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220019
Location100 South StreetSouthbridge, MA 01550 · Worcester County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

St Vincent Hospital

Acute Care Hospitals · Worcester, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220176
Location123 Summer StreetWorcester, MA 01608 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01605 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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 19

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

LUNA HIDAYA M.D.
Internal Medicine
1 W BOYLSTON ST
WORCESTER, MA 01605
Worcester County (508) 334-8802
ANTONIOS MOUZAKIS MD
Internal Medicine
1 W BOYLSTON ST
WORCESTER, MA 01605
Worcester County (508) 854-2636
DR. NANCY G SAID M.D.
Internal Medicine
1 W BOYLSTON ST
WORCESTER, MA 01605
Worcester County (508) 854-2636
DR. RITA J SEMAAN
Internal Medicine
1 W BOYLSTON ST, SUITE 206
WORCESTER, MA 01605
Worcester County (508) 854-2636
GROVE STREET CHIROPRACTIC, INC.
Chiropractor
1 W BOYLSTON ST, LL03
WORCESTER, MA 01605
Worcester County (508) 797-3200
DR. DANIEL R MASSARELLI M.D.
Internal Medicine
1 W BOYLSTON ST
WORCESTER, MA 01605
Worcester County (508) 334-8802
RUTH NINOSKA LAINEZ URRUTIA MD
Internal Medicine
1 W BOYLSTON ST
WORCESTER, MA 01605
Worcester County (508) 854-2636
MS. MACKENZIE ANNE ROGERS DAWSON NP
Nurse Practitioner
1 W BOYLSTON ST
WORCESTER, MA 01605
Worcester County (508) 334-8802

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 Seong Yoon Kim's NPI number?

The NPI number for Seong Yoon Kim is 1558920652. It was assigned to this individual provider in the NPPES registry on June 12, 2019.

Where is Seong Yoon Kim located?

Seong Yoon Kim practices at 1 W Boylston St, Worcester, MA 01605. The listed phone number is (508) 854-2636.

What is Seong Yoon Kim's specialty?

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

Is Seong Yoon Kim enrolled in Medicare?

Yes. Seong Yoon Kim 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 organization bills Medicare for Seong Yoon Kim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Seong Yoon Kim reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). 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 Seong Yoon Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Seong Yoon Kim accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Seong Yoon Kim 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 Seong Yoon Kim affiliated with any hospitals?

According to CMS data, Seong Yoon Kim is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital, Umass Memorial Medical Center/University Campus and St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Seong Yoon Kim was last updated on August 30, 2022. 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.