DR. MICHAEL M KOSHAK (MD) – Family Medicine Physician, NPI 1689680696
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,034 GENERAL PRACTICE in CA
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Provider Addresses for DR. MICHAEL M KOSHAK (MD)
Victory Boulevard, North Hollywood, Los Angeles, Los Angeles County, California, 91601, United States
#101
NORTH HOLLYWOOD, CA 916063572
Phone: (818) 764-8838
Fax: (818) 432-2238
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $115.
Total Amount is formed as General ($115) + Research ($0) + Ownership ($0) = $115.
Last reported payment date: 2024-04-23 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($37).
Total Amount
$115
General + Research + Ownership
Payments
6
Total payment records
General Amount
$115
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $37 |
| Hologic Sales and Service, LLC | $24 |
| IDORSIA PHARMACEUTICALS US INC | $21 |
| Amgen Inc. | $19 |
| PFIZER INC. | $14 |
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: 2005-11-10
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20051110000883 | I | General 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 95 | 52 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 20 | 15 | $0 |
| 36410 | Insertion of needle into vein (3 years or older) | 12 | 12 | $0 |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 12 | 11 | $0 |
Insurance plans in this area (ZIP 91606)
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