DR. MARGARET MICHELE WILLIAMS (DNP(C) CRNP, OCN) – Nurse Practitioner, NPI 1831553585
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,815 NURSE PRACTITIONER in MD
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Provider Addresses for DR. MARGARET MICHELE WILLIAMS (DNP(C) CRNP, OCN)
509, Idlewild Avenue, Idlewild, Easton, Talbot County, Maryland, 21601, United States
EASTON, MD 216013889
Phone: (410) 822-1000
Fax: (410) 763-8279
Type: Location
PO BOX 749495
ATLANTA, GA 303749495
Phone: (855) 963-2100
Fax: (813) 321-1296
Type: Mailing
8221 TEAL DR STE 302
EASTON, MD 216017215
Phone: (410) 820-5945
Fax: (410) 820-9642
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 124 Open Payments records for all available years, with a total value of $5,333.
Total Amount is formed as General ($5,333) + Research ($0) + Ownership ($0) = $5,333.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($1,136).
Total Amount
$5,333
General + Research + Ownership
Payments
124
Total payment records
General Amount
$5,333
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $1,136 |
| AstraZeneca Pharmaceuticals LP | $468 |
| Gilead Sciences, Inc. | $403 |
| Astellas Pharma US Inc | $274 |
| Seagen Inc. | $236 |
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: 2017-03-02
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 |
|---|---|---|---|---|
| I20170302000271 | I | Nurse Practitioner | MD | 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 |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 54,000 | 57 | $0 |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 29,665 | 71 | $0 |
| J0897 | Injection, denosumab, 1 mg | 2,640 | 40 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 274 | 116 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 222 | 180 | $0 |
Insurance plans in this area (ZIP 21601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | FL | |
| P A T H O L O G Y | FL | |
| Hematology/Oncology, Internal Medicine | TX | |
| - | MO | |
| Nurse Practitioner | MD | |
| - | GA | |
| - | FL | |
| Physician Assistant | FL |
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