DR. WILLIAM M II CHASANOV (D.O.) – Internal Medicine Physician, NPI 1104028919
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
44 INFECTIOUS DISEASE in DE
Provider Addresses for DR. WILLIAM M II CHASANOV (D.O.)
1515 SAVANNAH RD
LEWES, DE 199581675
Phone: (302) 645-3499
Fax: (302) 644-4830
Type: Mailing
1 FEDERAL ST STE SW200
CAMDEN, NJ 081031155
Phone: (856) 356-4924
Type: Mailing
424 Savannah Rd
Lewes, DE 199581462
Phone: (302) 645-3232
Fax: (888) 987-4578
Type: Location
3 Cooper Plz Rm 513
Camden, NJ 081031499
Phone: (856) 963-3715
Type: Location
1 Cooper Plz
Camden, NJ 08103
Phone: (856) 963-3518
Type: Location
1 Cooper Plaza, Haddon Avenue, Lanning Square, Camden, Camden County, New Jersey, 08103, United States
CAMDEN, NJ 08103
Phone: (856) 963-3518
Type: Location
1535 SAVANNAH RD
LEWES, DE 199581611
Phone: (302) 645-3232
Fax: (302) 645-3198
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $240.
Total Amount is formed as General ($240) + Research ($0) + Ownership ($0) = $240.
Last reported payment date: 2024-10-11 • Largest payer in this snapshot: ABBVIE INC. ($220).
Total Amount
$240
General + Research + Ownership
Payments
12
Total payment records
General Amount
$240
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $220 |
| Novo Nordisk Inc | $19 |
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: 2011-03-23
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 |
|---|---|---|---|---|
| I20110323000408 | I | Infectious Disease | DE | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 19958)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | NY | |
| - | PA | |
| Internal Medicine | DE | |
| - | DE | |
| - | DE | |
| Internal Medicine | DE | |
| Internal Medicine | DE | |
| Family Practice | NY | |
| Nurse Practitioner | VA | |
| Physician Assistant | MD |
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