Timothy Fernstrom, D.O.
NPI 1457552168 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Fernstrom, D.O. is a Internal Medicine Physician provider in Portland, OR (NPI 1457552168).
Provider details
- NPI number
- 1457552168
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 81905 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
238 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 221 | $204 |
| Telehealth Consultation, Critical Care, Subsequent, Physicians Typically Spend 50 Minutes Communicating With the Patient and Providers Via TelehealthG0509 | 17 | $188 |
Typical Medicare-allowed amounts for these services range $188–$204 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1768 Business Center Dr Ste 100Reston, VA 20190-5359Phone: (800) 762-9244Fax: (786) 672-6006
Registry dates
- Enumerated
- 2007-05-30
- Last updated
- 2025-06-18
- Certified
- 2025-06-18
Frequently asked questions
- What is Timothy Fernstrom's NPI number?
- Timothy Fernstrom's National Provider Identifier (NPI) is 1457552168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Fernstrom's specialty?
- Timothy Fernstrom is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Fernstrom located?
- Timothy Fernstrom's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is Timothy Fernstrom's phone number?
- The practice phone number listed in the NPPES registry for Timothy Fernstrom is (503) 494-9000.
- Does Timothy Fernstrom accept Medicare?
- Timothy Fernstrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Fernstrom's NPI active?
- Yes — Timothy Fernstrom's NPI (1457552168) is active in the NPPES registry as of the last update on 2025-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.