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DIANNE FERNANDEZ
NPI 1639636426
Nurse Practitioner - Gerontology in Duarte, CA

Active since February 27, 2019PECOS EnrolledAccepts Medicare Assignment
99.12/100
CMS Quality Rating
1500 DUARTE RD, DUARTE, CA 91010(626) 256-4673 Get Directions Write a Review

NPPES record last updated: December 11, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 11, 2020, May 15, 2020, Feb 27, 2019 (3 updates tracked since 2019).

About Dianne Fernandez NPPES

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

DIANNE FERNANDEZ (NPI 1639636426) is an individual gerontology provider in Duarte, California, licensed in California (NP95012196) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1639636426
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameDIANNE FERNANDEZ
Location Address1500 DUARTE RDDuarte, CA 91010-3012
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Phone(626) 256-4673
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 27, 2019
Last NPPES UpdateDecember 11, 20203 updates tracked since enumeration
NPPES CertifiedDecember 11, 2020
✔ NPI 1639636426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in CA · NP95012196
1500 DUARTE RD, Duarte, CA 91010
Open in Google Maps ↗

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

Dianne Fernandez 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 ID6305267691
PECOS Enrollment IDI20200521001703
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 91010 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.23
Promoting Interoperability100
Improvement Activities40

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.

SASAN FAZELI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
SKAI MINDY FU PHARMD
Pharmacist
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 500-5461
JIMMIE WONG MD
Radiology (Diagnostic Radiology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
TERENCE WILLIAMS M.D.
Radiology (Radiation Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. MUSTAFA RAOOF M.D.
Surgery (Surgical Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. EDNA CLOGG SHENVI M.D.
Surgery
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
ALAN CHEN TANG M.D.
Anesthesiology
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
WINSTON YUHSIEN LEE MD, PHD
Pathology (Hematology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673

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 Dianne Fernandez's NPI number?

The NPI number for Dianne Fernandez is 1639636426. It was assigned to this individual provider in the NPPES registry on February 27, 2019.

Where is Dianne Fernandez located?

Dianne Fernandez practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 256-4673.

What is Dianne Fernandez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Dianne Fernandez enrolled in Medicare?

Yes. Dianne Fernandez 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 Dianne Fernandez was last updated on December 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.