DR. DIANA V JAO MD
NPI 1780683789
Internal Medicine - Geriatric Medicine in San Mateo, CA

Q: What is Diana Jao's NPI number?

The NPI number for Diana Jao is 1780683789. It was assigned to this individual provider in the NPPES registry on July 20, 2005.

Q: What is Diana Jao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Q: When was this NPI record last updated?

The NPPES record for Diana Jao was last updated on May 9, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 20, 2005PECOS EnrolledAccepts Medicare Assignment

222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-2426 Get Directions Write a Review

NPPES record last updated: May 9, 2017. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Dr. Diana V Jao Md NPPES

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

DR. DIANA V JAO MD (NPI 1780683789) is an individual geriatric medicine provider in San Mateo, California, licensed in California (G068273) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Hahnemann University College Of Medicine (1988).

NPPES Registry Identity

NPI1780683789

Entity TypeIndividualFemale

Primary Taxonomy207RG0300X

Provider Legal NameDR. DIANA V JAOCredential: MD

Location Address222 W 39TH AVESan Mateo, CA 94403-4364

Mailing Address222 W 39th AveSan Mateo, CA 94403-4364 · (650) 573-2426

Phone(650) 573-2426

Sole ProprietorNo

Medical School CMSHahnemann University College Of MedicineGraduated 1988

Enumeration DateJuly 20, 2005

Last NPPES UpdateMay 9, 2017

✔ NPI 1780683789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

License✔ Licensed in CA · G068273

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

222 W 39TH AVE, San Mateo, CA 94403

Open in Google Maps ↗

Other Identifiers 1

Medicare UPINH19779CA

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 V Jao 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 ID941304687

PECOS Enrollment IDI20070405000168

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 94403 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

$202.35 typical visit price

range $69.00 – $202.35

Typical copayment $50.58 (range $17.25 – $50.58)

Most-billed visit code 99205

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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 6

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

12 suppliers28 claims84 services$3.45 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

9 suppliers25 claims38 services$0.65 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers24 claims24 services$24.80 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers24 claims24 services$69.20 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier12 claims12 services$17.81 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers20 claims20 services$183.07 avg. paid by Medicare

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

Leave this field empty

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.

DR. LORENA MICHEL PSY.D.

Psychologist (Clinical)