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Ophthalmology

Anastasia L. Porter, MD

Sees patients in Seattle, WA · Federal Way, WA · Washington

Summary

Dr. Anastasia L. Porter, MD is an ophthalmologist at 1101 Madison St, Suite 600, Seattle, WA 98104. Phone: (206) 215-2020. Accepts Medicare assignment. In 2024, Anastasia L. Porter had 359 Original Medicare patients and 883 services. NPI 1922164607. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1101 Madison St, Suite 600, Seattle, WA 98104 · Directions (3 more locations)
  • Phone: (206) 215‑2020
  • Medicare: Accepts Medicare assignment
  • Group practice: Evergreen Eye Center PLLC (+1 more)
  • Medical school: University Of Iowa, Rj & L Carver College Of Medicine · graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Anastasia L. Porter, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Anastasia L. Porter accept Medicare assignment?
Yes. Medicare's clinician data says Anastasia L. Porter accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Anastasia L. Porter see?
In 2024, CMS data shows 359 Original Medicare patients and 883 services for Anastasia L. Porter. This counts Original Medicare only and measures volume, not quality.
What is Anastasia L. Porter's NPI number?
1922164607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Anastasia L. Porter, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients359
Services billed to Medicare883
Different services or procedures28
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)217 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)110 services
  3. Photography of the retina (92250)99 services
  4. Established patient complete exam of visual system (92014)90 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)64 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol62%
  • High blood pressure56%
  • Arthritis42%
  • Depression25%
  • Osteoporosis21%
  • Anxiety18%

Practice locations

Addresses where Anastasia L. Porter is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anastasia L. Porter as a member of these groups (CMS data updated October 2, 2026).

  • Evergreen Eye Center PLLC33 clinicians in the group
  • Eye Associates Northwest PLLC9 clinicians in the group

Specialties

Find other Ophthalmology doctors in Washington →

Other ophthalmologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All ophthalmologists in Seattle →

Other clinicians in Evergreen Eye Center PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922164607
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians