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DR. DIANA SAYADYAN M.D.
NPI 1598720377
Family Medicine in La Canada, CA

Active since April 17, 2006PECOS EnrolledAccepts Medicare Assignment
2200 FOOTHILL BLVD, LA CANADA, CA 91011(818) 790-1103 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 9, 2026, Nov 1, 2018 (2 updates tracked since 2018).

About Dr. Diana Sayadyan M.d. NPPES

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

DR. DIANA SAYADYAN M.D. (NPI 1598720377) is an individual family medicine provider in La Canada, California, licensed in California (A88224) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Glendale, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1598720377
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DIANA SAYADYANCredential: M.D.
Location Address2200 FOOTHILL BLVDLa Canada, CA 91011-1413
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Phone(818) 790-1103
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateApril 17, 2006
Last NPPES UpdateJanuary 9, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2026
✔ NPI 1598720377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A88224
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2200 FOOTHILL BLVD, La Canada, CA 91011
Open in Google Maps ↗

Secondary Practice Location 1

Location 1710 S Central Ave Ste 350Glendale, CA 91204-4647 · Phone (818) 616-7557 · Fax (818) 646-8457

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 Sayadyan 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 ID4688670235
PECOS Enrollment IDI20061004000678
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasound of heart 93307
An ultrasound of the heart, also known as an echocardiogram, is a non-invasive procedure that uses sound waves to create images of your heart. This test allows your doctor to monitor how your heart and its valves are functioning. It's a safe, painless process that can help diagnose heart conditions.
69 services65 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91011 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.

Referred Medical Equipment & Supplies CMS DME claims 5

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
36 suppliers335 claims600 services$6.01 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
33 suppliers267 claims269 services$1.03 avg. paid by Medicare
For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500
DME-Orthotic Devices · category DF000N
8 suppliers47 claims94 services$60.31 avg. paid by Medicare
For diabetics only, multiple density insert, direct formed, molded to foot after external heat source of 230 degrees fahrenheit or higher, total contact with patient's foot, including arch, base layer minimum of 1/4 inch material of shore a 35 durometer or 3/16 inch material of shore a 40 durometer (or higher), prefabricated, each A5512
DME-Orthotic Devices · category DF000N
5 suppliers41 claims246 services$24.63 avg. paid by Medicare
Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038
DME-Other DME · category DE000N
1 supplier11 claims11 services$8.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

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

CHRISTINE HANNA M.D.
Internal Medicine
2200 FOOTHILL BLVD
LA CANADA, CA 91011
Los Angeles County (818) 790-1103
NASREEN SABIR MD
Internal Medicine
2200 FOOTHILL BLVD
FLINTRIDGE, CA 91011
Los Angeles County (702) 579-3203
PHILIP PYTAK PA-C
Physician Assistant
2200 FOOTHILL BLVD
FLINTRIDGE, CA 91011
Los Angeles County (818) 790-1103
DR. KARL A PETERSON M.D.
Family Medicine
2200 FOOTHILL BLVD
LA CANADA, CA 91011
Los Angeles County (818) 790-1103
RADHA VIPUL SHAH MD
Family Medicine
2200 FOOTHILL BLVD
LA CANADA, CA 91011
Los Angeles County (818) 790-1103
DR. CELEDONIA X YUE M.D.
Family Medicine
2200 FOOTHILL BLVD
LA CANADA, CA 91011
Los Angeles County (818) 790-1103

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 Sayadyan's NPI number?

The NPI number for Diana Sayadyan is 1598720377. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Diana Sayadyan located?

Diana Sayadyan practices at 2200 Foothill Blvd, La Canada, CA 91011. The listed phone number is (818) 790-1103.

What is Diana Sayadyan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Diana Sayadyan enrolled in Medicare?

Yes. Diana Sayadyan 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 Sayadyan was last updated on January 9, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.