DR. TIMOTHY JOHN FERNSTROM (D.O.) – Internal Medicine Physician, NPI 1457552168
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,474 INTERNAL MEDICINE in OR
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Provider Addresses for DR. TIMOTHY JOHN FERNSTROM (D.O.)
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) 494-9000
Type: Location
1768 Business Center Dr Ste 100
Reston, VA 201905359
Phone: (800) 762-9244
Fax: (786) 672-6006
Type: Location
3321, Northeast 13th Avenue, Irvington, Portland, Metro, Multnomah County, Oregon, 97212, United States
PORTLAND, OR 972122206
Phone: (971) 998-3687
Type: Mailing
1768 BUSINESS CENTER DR STE 100
RESTON, VA 201905359
Phone: (800) 762-9244
Fax: (786) 672-6006
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: 2025-11-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 27 Medicare enrollment records; no due dates published yet.
Enrollment records
27
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 |
|---|---|---|---|---|
| I20070823000232 | I | Critical Care (Intensivists) | OR | TBD |
| I20200807000631 | I | Internal Medicine | PA | TBD |
| I20200807000830 | I | Internal Medicine | NY | TBD |
| I20210201001401 | I | Critical Care (Intensivists) | GA | TBD |
| I20210329002097 | I | Critical Care (Intensivists) | CA | TBD |
| I20210405001874 | I | Critical Care (Intensivists) | IL | TBD |
| I20210526000890 | I | Internal Medicine | VA | TBD |
| I20210609001193 | I | Internal Medicine | AZ | TBD |
| I20220919000438 | I | Critical Care (Intensivists) | DE | TBD |
| I20221018003594 | I | Internal Medicine | WV | TBD |
| I20230128000418 | I | Critical Care (Intensivists) | IN | TBD |
| I20230313002652 | I | Critical Care (Intensivists) | OK | TBD |
| I20230503002219 | I | Critical Care (Intensivists) | MT | TBD |
| I20231011001228 | I | Critical Care (Intensivists) | OH | TBD |
| I20241216003986 | I | Internal Medicine | TX | TBD |
| I20250115002326 | I | Internal Medicine | ME | TBD |
| I20250115002801 | I | Internal Medicine | AR | TBD |
| I20250118000099 | I | Internal Medicine | IN | TBD |
| I20250122000127 | I | Internal Medicine | MO | TBD |
| I20250205001696 | I | Internal Medicine | AL | TBD |
| I20250227002034 | I | Internal Medicine | SC | TBD |
| I20250310000418 | I | Internal Medicine | KY | TBD |
| I20250403002258 | I | Internal Medicine | ID | TBD |
| I20250403002398 | I | Internal Medicine | KS | TBD |
| I20250407003288 | I | Internal Medicine | NC | TBD |
| I20250414002217 | I | Internal Medicine | NM | TBD |
| I20251121002709 | I | Internal Medicine | FL | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 266 | 206 | $0 |
| 99292 | Critical care, each additional 30 minutes | 20 | 19 | $0 |
Insurance plans in this area (ZIP 97239)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TN | |
| Infectious Disease, Internal Medicine | PA | |
| P S Y C H I A T R Y | CA | |
| N E U R O L O G Y | TX | |
| Internal Medicine, Nephrology | WI | |
| Internal Medicine | TX | |
| - | NY | |
| - | SC | |
| Hospitalist, Internal Medicine, Pulmonary Disease | SC | |
| Internal Medicine, Hospitalist | NE |
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