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DIANA AUNG M.D.
NPI 1497814834
Obstetrics & Gynecology in San Jose, CA

Active since December 08, 2006PECOS EnrolledAccepts Medicare Assignment
2400 SAMARITAN DRIVE, SUITE 105/SUITE 203, SAN JOSE, CA 95124(408) 523-3870 Get Directions Write a Review

NPPES record last updated: March 31, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Diana Aung M.d. NPPES

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

DIANA AUNG M.D. (NPI 1497814834) is an individual obstetrics & gynecology provider in San Jose, California, licensed in California (A78991) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1998).

NPPES Registry Identity

NPI1497814834
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDIANA AUNGCredential: M.D.
Location Address2400 SAMARITAN DRIVE, SUITE 105/SUITE 203San Jose, CA 95124-4109
Mailing Address2350 W. El Camino Real, 2nd FloorMountain View, CA 94040-6203
Phone(408) 523-3870
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1998
Enumeration DateDecember 8, 2006
Last NPPES UpdateMarch 31, 2016
✔ NPI 1497814834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A78991
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
2400 SAMARITAN DRIVE, San Jose, CA 95124
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Other Identifiers 1

Medicare UPINH65383CA

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

Diana Aung M.d. 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 ID8921167602
PECOS Enrollment IDI20081110000754
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 Diana Aung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
0.3 mi
Ambulatory Surgical
2581 SAMARITAN DR, SUITE 308
San Jose, CA 95124
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1013950807 (California)
  • 393 clinicians in this Medicare group
NPI 1043654486 (408) 876-4800

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95124 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
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 2

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

DENISE MASSEY MD
Internal Medicine
2400 SAMARITAN DRIVE, SUITE 203
SAN JOSE, CA 95124
Santa Clara County (408) 879-9941
HEART RHYTHM ASSOCIATES INC
Internal Medicine (Clinical Cardiac Electrophysiology)
2400 SAMARITAN DRIVE, SUITE 100
SAN JOSE, CA 95124
Santa Clara County (408) 879-5900

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 Aung's NPI number?

The NPI number for Diana Aung is 1497814834. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Diana Aung located?

Diana Aung practices at 2400 Samaritan Drive Suite 105/Suite 203, San Jose, CA 95124. The listed phone number is (408) 523-3870.

What is Diana Aung's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Diana Aung enrolled in Medicare?

Yes. Diana Aung 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 Diana Aung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Aung reassigns Medicare benefits to Sutter Bay Medical Foundation (San Jose, CA). 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 Diana Aung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Diana Aung was last updated on March 31, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.