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DR. DIANA YING WU MD
NPI 1548437395
Internal Medicine - Gastroenterology in Providence, RI

Active since May 12, 2008PECOS EnrolledAccepts Medicare Assignment
100 DUDLEY ST, PROVIDENCE, RI 02905(617) 756-5711 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Diana Ying Wu Md NPPES

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

DR. DIANA YING WU MD (NPI 1548437395) is an individual gastroenterology provider in Providence, Rhode Island, licensed in Rhode Island (MD14555) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2007).

NPPES Registry Identity

NPI1548437395
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. DIANA YING WUCredential: MD
Location Address100 DUDLEY STProvidence, RI 02905-3233
Mailing Address100 Dudley StProvidence, RI 02905-3233 · (401) 453-7953
Phone(617) 756-5711
Sole ProprietorYes
Medical School CMSHarvard Medical SchoolGraduated 2007
Enumeration DateMay 12, 2008
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1548437395 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in RI · MD14555
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.
100 DUDLEY ST, Providence, RI 02905
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Other Names 1

Other Name (5)Dr. Ying Diana Wu Md

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

Dr. Diana Ying Wu 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 ID6103014097
PECOS Enrollment IDI20101220000218
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 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 7

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

MS. CHELSEA COTUGNO MS RDN
Dietitian, Registered
100 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 453-7950
SAMIRA OUKLILANE NP
Nurse Practitioner (Gerontology)
100 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 453-7950
ELISA KATHLEEN MCEACHERN MD
Internal Medicine
100 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 453-7950
MS. JUSTYNE COLETTE ROY RD
Dietitian, Registered
100 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 459-0230
DR. DARYL SELEN M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
100 DUDLEY ST, FLOOR 2 STE 2100
PROVIDENCE, RI 02905
Providence County (401) 430-7347
MS. KATRINA K HORNER MSN, FNP-BC
Nurse Practitioner (Family)
100 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 453-7950
DEBORAH J CANNING RN,CDOE
Registered Nurse (Diabetes Educator)
100 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 453-7950

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 Wu's NPI number?

The NPI number for Diana Wu is 1548437395. It was assigned to this individual provider in the NPPES registry on May 12, 2008. The provider is also known as Dr. Ying Diana Wu MD.

Where is Diana Wu located?

Diana Wu practices at 100 Dudley St, Providence, RI 02905. The listed phone number is (617) 756-5711.

What is Diana Wu's specialty?

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

Is Diana Wu enrolled in Medicare?

Yes. Diana Wu 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.

When was this NPI record last updated?

The NPPES record for Diana Wu was last updated on February 11, 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.