DR. EMMA KRYSTYNA LARSON MD
NPI 1477013894
Pediatrics in Portland, OR
About Dr. Emma Krystyna Larson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EMMA KRYSTYNA LARSON MD (NPI 1477013894) is an individual pediatrics provider in Portland, Oregon, licensed in Washington (MD61305688) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Emma Krystyna Larson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97227 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Emma Larson's NPI number?
The NPI number for Emma Larson is 1477013894. It was assigned to this individual provider in the NPPES registry on March 21, 2019.
Where is Emma Larson located?
Emma Larson practices at 3550 N Interstate Ave, Portland, OR 97227. The listed phone number is (503) 813-2000.
What is Emma Larson's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Emma Larson enrolled in Medicare?
Yes. Emma Larson is registered in the Medicare PECOS enrollment system.
What insurance does Emma Larson accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Emma Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Emma Larson was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Emma Krystyna Larson, MD · NPI 1477013894
Pediatrics physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since March 21, 2019.
## Identity
- **NPI:** 1477013894 (Entity type: Individual)
- **Enumerated:** March 21, 2019
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** MD61305688 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 3550 N INTERSTATE AVE, Portland, OR 97227-1196
- **Phone:** (503) 813-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** September 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477013894) · Data from the CMS NPPES public registry.