DERENIK ESTEPANIAN (M.D.) – Hospitalist Physician, NPI 1457714982
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DERENIK ESTEPANIAN (M.D.)
8700 Beverly Blvd
West Hollywood, CA 90048
Phone: (310) 786-7204
Type: Location
311 NORTH ROBERTSON BLVD
PMB 150
BEVERLY HILLS, CA 90211
Phone:
Type: Mailing
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Phone: (310) 786-7204
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $288.
Total Amount is formed as General ($288) + Research ($0) + Ownership ($0) = $288.
Last reported payment date: 2024-10-15 • Largest payer in this snapshot: ABBVIE INC. ($162).
Total Amount
$288
General + Research + Ownership
Payments
8
Total payment records
General Amount
$288
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $162 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $127 |
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: 2019-08-15
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 |
|---|---|---|---|---|
| I20190815003611 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,238 | 476 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 432 | 250 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 332 | 327 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 191 | 190 | $0 |
| 99497 | Advance care planning, first 30 minutes | 93 | 92 | $0 |
Insurance plans in this area (ZIP 90048)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Hospitalist | WA | |
| Internal Medicine | CA | |
| Internal Medicine | CA |
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