DIANA YOOJUNG WEE MD
NPI 1134624935
Internal Medicine - Gastroenterology in New Hyde Park, NY

Q: What is Diana Wee's NPI number?

The NPI number for Diana Wee is 1134624935. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Q: What is Diana Wee's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Diana Wee was last updated on July 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since March 26, 2018PECOS EnrolledAccepts Medicare Assignment

2001 MARCUS AVE STE N18, NEW HYDE PARK, NY 11042(516) 776-7770 Get Directions Write a Review

NPPES record last updated: July 26, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 29, 2022, Mar 26, 2018 (2 updates tracked since 2018).

On this page

About Diana Yoojung Wee Md NPPES

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

DIANA YOOJUNG WEE MD (NPI 1134624935) is an individual gastroenterology provider in New Hyde Park, New York, licensed in New York (309853) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1134624935

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDIANA YOOJUNG WEECredential: MD

Location Address2001 MARCUS AVE STE N18New Hyde Park, NY 11042-2049

Mailing Address2001 Marcus Ave Ste N18New Hyde Park, NY 11042-2049 · (516) 775-7770

Phone(516) 776-7770

Sole ProprietorNo

Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2018

Enumeration DateMarch 26, 2018

Last NPPES UpdateJuly 26, 20252 updates tracked since enumeration

NPPES CertifiedJuly 26, 2025

✔ NPI 1134624935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 309853

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2001 MARCUS AVE STE N18, New Hyde Park, NY 11042

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1300 Community DrManhasset, NY 11030-3816 · Phone (516) 562-0100

Location 2111 E 210th StBronx, NY 10467-2401 · Phone (718) 430-3289

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana Yoojung Wee 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 ID5496090821

PECOS Enrollment IDI20210827000679

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.

Hospital Affiliations CMS Care Compare 2

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330195

Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11042 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier12 claims12 services$907.03 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Diana Wee's NPI number?

The NPI number for Diana Wee is 1134624935. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Where is Diana Wee located?

Diana Wee practices at 2001 Marcus Ave Ste N18, New Hyde Park, NY 11042. The listed phone number is (516) 776-7770.

What is Diana Wee's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Diana Wee enrolled in Medicare?

Yes. Diana Wee 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.

Is Diana Wee affiliated with any hospitals?

According to CMS data, Diana Wee is affiliated with North Shore University Hospital and Long Island Jewish Medical Center.

When was this NPI record last updated?

The NPPES record for Diana Wee was last updated on July 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.