DR. TIMOTHY R SIEGEL (M.D.) – Surgery Physician, NPI 1619931870
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
935 GENERAL SURGERY in VA
Provider Addresses for DR. TIMOTHY R SIEGEL (M.D.)
1635 N George Mason Dr
Suite 115
Arlington, VA 222053601
Phone: (703) 558-8501
Fax: (703) 558-8517
Type: Location
3181 SW Sam Jackson Park Rd
Portland, OR 97239
Phone: (503) 494-6068
Fax: (503) 494-3495
Type: Location
1 MEDICAL CENTER DR
LEBANON, NH 037561000
Phone: (603) 650-5000
Type: Location
Richard T. Jones Hall, 3181, Southwest Sam Jackson Park Road, Marquam Hill, Homestead, Portland, Metro, Multnomah County, Oregon, 97239, United States
PORTLAND, OR 972393011
Phone: (503) 494-6068
Fax: (503) 494-3495
Type: Mailing
PO BOX 810
HANOVER, NH 037550810
Phone: (603) 308-1472
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2017-08-10
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 |
|---|---|---|---|---|
| I20110914000219 | I | General Surgery | NH | TBD |
| I20170810001029 | I | Hematology/Oncology | OR | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 203 | 44 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 67 | 22 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 43 | 18 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 30 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 15 | 11 | $0 |
Insurance plans in this area (ZIP 22205)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H O S P I T A L I S T | NH | |
| Certified Registered Nurse Anesthetist (Crna) | NH | |
| Internal Medicine | NH | |
| Orthopedic Surgery | NH | |
| Nurse Practitioner | VT | |
| Physician Assistant | NH | |
| - | NH | |
| Emergency Medicine | NH | |
| Geriatric Medicine, Internal Medicine | NH | |
| Physician Assistant | CT |
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