Natalia Guzman-Seda, MD
NPI 1023546520 · Anesthesiology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalia Guzman-Seda, MD is a Anesthesiology Physician provider in Portland, OR (NPI 1023546520).
Provider details
- NPI number
- 1023546520
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD212890 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
46 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 20 | $43 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 14 | $91 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 12 | $467 |
Typical Medicare-allowed amounts for these services range $43–$467 (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)
- 1275 York AveNew York, NY 10065-6007Phone: (212) 639-2000
Registry dates
- Enumerated
- 2017-05-26
- Last updated
- 2025-09-24
- Certified
- 2025-09-24
Frequently asked questions
- What is Natalia Guzman-Seda's NPI number?
- Natalia Guzman-Seda's National Provider Identifier (NPI) is 1023546520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalia Guzman-Seda's specialty?
- Natalia Guzman-Seda is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Natalia Guzman-Seda located?
- Natalia Guzman-Seda's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is Natalia Guzman-Seda's phone number?
- The practice phone number listed in the NPPES registry for Natalia Guzman-Seda is (503) 494-7641.
- Does Natalia Guzman-Seda accept Medicare?
- Natalia Guzman-Seda is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalia Guzman-Seda's NPI active?
- Yes — Natalia Guzman-Seda's NPI (1023546520) is active in the NPPES registry as of the last update on 2025-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.