DR. DIANA SAYADYAN (M.D.) – Family Medicine Physician, NPI 1598720377
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,194 FAMILY PRACTICE in CA
Provider Addresses for DR. DIANA SAYADYAN (M.D.)
PO BOX 35380
LAS VEGAS, NV 891335380
Phone: (702) 579-3203
Type: Mailing
710 S Central Ave Ste 350
Glendale, CA 912044647
Phone: (818) 616-7557
Fax: (818) 646-8457
Type: Location
2200 FOOTHILL BLVD
LA CANADA, CA 910111413
Phone: (818) 790-1103
Type: Location
519, East Broadway, Glendale, Los Angeles County, California, 91205, United States
GLENDALE, CA 912051110
Phone: (818) 409-3020
Type: Mailing
350, South Central Avenue, Glendale, Los Angeles County, California, 91204, United States
GLENDALE, CA 912044647
Phone: (818) 616-7557
Fax: (818) 646-8457
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $454.
Total Amount is formed as General ($454) + Research ($0) + Ownership ($0) = $454.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Amgen Inc. ($139).
Total Amount
$454
General + Research + Ownership
Payments
15
Total payment records
General Amount
$454
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $139 |
| GlaxoSmithKline, LLC. | $112 |
| ABBVIE INC. | $110 |
| Lilly USA, LLC | $28 |
| Novo Nordisk Inc | $26 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-10-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20061004000678 | I | Family Practice | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 78 | 73 | $0 |
Insurance plans in this area (ZIP 89133)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Physical Therapist In Private Practice | NV | |
| Internal Medicine | CA | |
| - | CA | |
| Internal Medicine, Geriatric Medicine | CA |
Reviews
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