DR. MARGARET PERUSSE OBERMAN (M.D.) – Internal Medicine Physician, NPI 1972583581
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,930 INTERNAL MEDICINE in VA
Provider Addresses for DR. MARGARET PERUSSE OBERMAN (M.D.)
620 John Paul Jones Cir
Portsmouth, VA 23708
Phone: (757) 483-9792
Fax: (757) 953-0848
Type: Location
PO BOX 37086
BALTIMORE, MD 212973086
Phone: (240) 439-8913
Fax: (240) 439-8910
Type: Mailing
FMH Rose Hill, 1562, Opossumtown Pike, Spring Valley, Frederick, Frederick County, Maryland, 21702-3077, United States
FREDERICK, MD 21702
Phone: (301) 662-8119
Fax: (240) 439-8910
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $173.
Total Amount is formed as General ($173) + Research ($0) + Ownership ($0) = $173.
Last reported payment date: 2023-12-15 • Largest payer in this snapshot: Stryker Corporation ($173).
Total Amount
$173
General + Research + Ownership
Payments
1
Total payment records
General Amount
$173
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $173 |
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: 2018-08-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20110429000270 | I | Internal Medicine | FL | TBD |
| I20180829003410 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 478 | 276 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 78 | 78 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 53 | 53 | $0 |
| G0008 | Administration of influenza virus vaccine | 49 | 49 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 46 | 43 | $0 |
Insurance plans in this area (ZIP 23708)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | MN | |
| Physical Therapist In Private Practice | MD | |
| General Surgery, General Surgery, Vascular Surgery | MD | |
| Physical Therapist In Private Practice | IN | |
| Physical Therapist In Private Practice | MD | |
| Cardiovascular Disease (Cardiology) | MD | |
| Orthopedic Surgery | MD | |
| Nurse Practitioner | MD | |
| Occupational Therapist In Private Practice | MD | |
| - | MD |
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