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ERIN CHORMANSKI CAA
NPI 1225226913
Anesthesiologist Assistant in Portland, OR

Active since October 09, 2007Accepts Medicare Assignment
93.5/100
CMS Quality Rating
707 SW WASHINGTON ST STE 700, PORTLAND, OR 97205(503) 299-9906(503) 225-9002 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 24, 2026, Oct 11, 2022, Apr 3, 2019 (3 updates tracked since 2019).

About Erin Chormanski Caa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERIN CHORMANSKI CAA (NPI 1225226913) is an individual anesthesiologist assistant in Portland, Oregon, licensed in Washington (AA70077692) and active in the NPI registry since October 2007. She is affiliated with Baptist Medical Center, maintains a secondary practice location in San Antonio, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1225226913
Entity TypeIndividualFemale
Primary Taxonomy367H00000X
Provider Legal NameERIN CHORMANSKICredential: CAA
Location Address707 SW WASHINGTON ST STE 700Portland, OR 97205-3523
Mailing AddressPo Box 35147, #1801Seattle, WA 98124-5147
Phone(503) 299-9906
Fax(503) 225-9002
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateOctober 9, 2007
Last NPPES UpdateMarch 24, 20263 updates tracked since enumeration
NPPES CertifiedMarch 24, 2026
✔ NPI 1225226913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
Licenses✔ Licensed in WA · AA70077692✔ Licensed in GA · 005197✔ Licensed in SC · 24✔ Licensed in OH · 67.000269
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
707 SW WASHINGTON ST STE 700, Portland, OR 97205
Open in Google Maps ↗

Secondary Practice Location 1

Location 1San AntonioSan Antonio, TX 78261-2977 · Phone (843) 467-8567

Other Identifiers 1

Medicaid699316937AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Erin Chormanski Caa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42390528
PECOS Enrollment IDI20191205000905, I20260602001791

Medicare Billing Reassignments

3

Medicare enrollment records show Erin Chormanski reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oregon Anesthesiology Group PC
Same address
Anesthesiology
707 SW WASHINGTON ST, SUITE 700
Portland, OR 97205
  • Reassigned Medicare billing, Washington enrollment
  • 180 clinicians in this Medicare group
NPI 1477527786 (503) 299-9906
The San Antonio Orthopaedic Group, LLP
1,716 mi
Orthopaedic Surgery
400 CONCORD PLAZA DR, STE 300
San Antonio, TX 78216
  • Reassigned Medicare billing, Texas enrollment
  • 163 clinicians in this Medicare group
NPI 1720022494 (210) 804-5416
U. S. Anesthesia Partners Of Texas, P.A.,
1,828 mi
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
NPI 1548208564 (877) 361-1809

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450058
Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County
Emergency services Birthing friendly

Legacy Salmon Creek Medical Center

Acute Care Hospitals · Vancouver, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500150
Location2211 NE 139th StreetVancouver, WA 98686 · Clark County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

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.

DR. JUSTIN DAVID RAMOS MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
MICHAEL BERNARD MILLER
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
THOMAS THIEN-AN HOANG MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
WARREN SPITZ MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
ALBARAA HAMID M.D.
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
THOMAS ABBATIELLO
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
DR. JAN-PABLO GEORG LEWIS KOLLMAR MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
SHAUN DISNEY
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906

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 Erin Chormanski's NPI number?

The NPI number for Erin Chormanski is 1225226913. It was assigned to this individual provider in the NPPES registry on October 9, 2007.

Where is Erin Chormanski located?

Erin Chormanski practices at 707 SW Washington St Ste 700, Portland, OR 97205. The listed phone number is (503) 299-9906.

What is Erin Chormanski's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Erin Chormanski enrolled in Medicare?

Yes. Erin Chormanski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Erin Chormanski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Chormanski reassigns Medicare benefits to 3 organizations: Oregon Anesthesiology Group PC (Portland, OR), The San Antonio Orthopaedic Group, LLP (San Antonio, TX) and U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Erin Chormanski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Chormanski accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Erin Chormanski 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.

Is Erin Chormanski affiliated with any hospitals?

According to CMS data, Erin Chormanski is affiliated with Baptist Medical Center and Legacy Salmon Creek Medical Center.

When was this NPI record last updated?

The NPPES record for Erin Chormanski was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.