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DR. STEVEN HYUNJOON YOO D.O.
NPI 1669736872
Internal Medicine in Westborough, MA

Active since July 02, 2012PECOS Enrolled
1400 COMPUTER DR STE 301, WESTBOROUGH, MA 01581(617) 420-5316 Get Directions Write a Review

NPPES record last updated: January 3, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 3, 2020, Nov 26, 2019, Jul 9, 2018 and 2 more (5 updates tracked since 2017).

About Dr. Steven Hyunjoon Yoo D.o. NPPES

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

DR. STEVEN HYUNJOON YOO D.O. (NPI 1669736872) is an individual internal medicine provider in Westborough, Massachusetts, licensed in Massachusetts (269662) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1669736872
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. STEVEN HYUNJOON YOOCredential: D.O.
Location Address1400 COMPUTER DR STE 301Westborough, MA 01581
Mailing Address1400 Computer Dr Ste 301Westborough, MA 01581-1790 · (670) 421-5316 · Fax (844) 803-8107
Phone(617) 420-5316
Sole ProprietorNo
Enumeration DateJuly 2, 2012
Last NPPES UpdateJanuary 3, 20205 updates tracked since enumeration
✔ NPI 1669736872 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 MA · 269662
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1400 COMPUTER DR STE 301, Westborough, MA 01581
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Secondary Practice Locations 3

Location 11 Jarrett White Rd, Tripler Army Medical CenterTripler Army Medical Center, HI 96859-5001 · Phone (808) 433-6661
Location 290 Vandenberg Dr Bldg 1900Hanscom AFB, MA 01731-2104 · Phone (781) 225-6789
Location 310 Dorrance St Ste 700Providence, RI 02903-2014 · Phone (833) 229-0957

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Steven Hyunjoon Yoo D.o. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01581 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 20

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

LANDMARK MEDICAL OF MASSACHUSETTS PLLC
General Practice
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
JULIA A LOMBARDI NP
Nurse Practitioner
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MS. JAMIE LEE MCCARTHY APRN
Nurse Practitioner (Adult Health)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MRS. KATHLEEN MURPHY NP
Nurse Practitioner
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MRS. JENNIFER HALTERMAN HILGENBERG PA-C
Physician Assistant
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
DR. ANTHONY MARTIN ZIZZA III M.D.
Internal Medicine (Geriatric Medicine)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MRS. MINH HUONG MARY FAY FNP
Nurse Practitioner (Family)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
LANDMARK MEDICAL OF CONNECTICUT PC
General Practice
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (657) 400-5180

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 Steven Yoo's NPI number?

The NPI number for Steven Yoo is 1669736872. It was assigned to this individual provider in the NPPES registry on July 2, 2012.

Where is Steven Yoo located?

Steven Yoo practices at 1400 Computer Dr Ste 301, Westborough, MA 01581. The listed phone number is (617) 420-5316.

What is Steven Yoo's specialty?

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

Is Steven Yoo enrolled in Medicare?

Yes. Steven Yoo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Steven Yoo was last updated on January 3, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.