Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Erinn Alexandra Case , ARNP

Nurse Practitioner โ€ข Spokane, WA

Active NPI 1477802833 Individual Practitioner Female Practitioner
Practice location in NPPES

307 W 6th Ave
Spokane, WA 992042539

Call 8334115469 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

307 W 6th Ave

Spokane, WA 992042539

Telephone 8334115469

Medicare-allowed amount

About $5,234 in 2022

The total amount Medicare approved for these services in 2022. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2022.

Paid by Medicare

About $3,123 in 2022

The part of the Medicare-allowed amount that Medicare itself paid in 2022, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2022.

30-day fills

95 standardized 30-day fills in 2023

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$363 in 2023

The total cost of these prescriptions in 2023, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers โ€“ by Provider and Drug, 2023.

Open Payments general payments, program year 2022

All general payments: $220.08 across 11 records.

By nature of payment

  • Food and Beverage: $220.08 across 11 records.

Reporting-company totals (3 largest of 5)

  • ABBVIE INC.: $81.39 across 4 records.
  • Bayer HealthCare Pharmaceuticals Inc.: $44.59 across 2 records.
  • AstraZeneca Pharmaceuticals LP: $44.52 across 3 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2022 (published June 30, 2026).

Guide: How to read an Open Payments record

NPI first issued

2012

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, โ€œDoes your provider accept Medicare as full payment?โ€

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Can order Medicare-covered services

CMS lists Erinn Case as eligible to order or refer durable medical equipment (DME) for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Spokane and Washington

Billing and prescribing volume is not a quality rating.

Medicare Part B

Comparisons use 2024 data. The latest CMS data for Erinn Case are from 2022.

Medicare Part D

Comparisons use 2024 data. The latest CMS data for Erinn Case are from 2023.

188 active clinicians are listed under Nurse Practitioner with a practice address in Spokane, WA (2,310 in Washington).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Spokane

13.8% of these 188 clinicians have the CMS telehealth indicator.

55.9% of these 188 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2022), CMS Medicare Part D Prescribers (2023), CMS Open Payments (2022), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments ยท Program Year 2022
Disclosure Year:

Program year 2022 (payments made January 1 โ€“ December 31, 2022): 11 records totaling $220.08.

Manufacturer Payment Nature Product Type Amount ($)
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $27.56
Bayer HealthCare Pharmaceuticals Inc.
Food and Beverage
In-kind items and services
Kerendia General $23.78
ABBVIE INC.
Food and Beverage
In-kind items and services
QULIPTA General $23.05
ABBVIE INC.
Food and Beverage
In-kind items and services
UBRELVY General $22.93
Organon LLC
Food and Beverage
In-kind items and services
NEXPLANON General $22.02
Bayer HealthCare Pharmaceuticals Inc.
Food and Beverage
In-kind items and services
Kerendia General $20.81
ABBVIE INC.
Food and Beverage
In-kind items and services
UBRELVY General $17.83
ABBVIE INC.
Food and Beverage
In-kind items and services
QULIPTA General $17.58
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
BREZTRI General $17.50
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
FARXIGA General $13.98
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
FARXIGA General $13.04

Source: CMS Open Payments, program year 2022, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2022.

CMS Part B ยท Data Year 2022
Reporting Year:

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016โ€“2021 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ€“ by Provider and Service data, 2017โ€“2022; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
28 19 $325.00 $118.20
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
23 18 $225.00 $83.68

Source: CMS Part B by Provider and Service, 2022; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2023.

CMS Part D ยท Data Year 2023
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Lisinopril Lisinopril 15 990 $208.40 โ€”
Amlodipine Besylate Amlodipine Besylate 11 870 $31.28 โ€”
Atorvastatin Calcium Atorvastatin Calcium 11 990 $123.75 โ€”

Source: CMS Part D by Provider and Drug, 2023; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-07-22
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES WA AP60305664

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

License # reported to NPPES CA 95009488
Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Washington State Department of Health Provider Lookup.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Not Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Not Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

21 listed
NPI 1851392765

Doctor of Medicine (M.D.)

Sarah Bowman

Physician Assistant

NPI 1518408475
Eileen Joy Domingo

Family Medicine

NPI 1962801142
NPI 1417495334

Doctor of Nursing Practice, Advanced Practice Registered Nurse

Portia Kamps , PA-C

Physician Assistant

NPI 1366631731

Physician Assistant (Certified)

Serenity Kelton

Physician Assistant

NPI 1073126603

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

15 Historical Events
๐Ÿ“
Updated Practice Location July 22, 2025

Registered at 307 W 6TH AVE, SPOKANE, WA 992042539 (Tel: 8334115469)

๐Ÿ“
Updated Business Mailing Address July 22, 2025

Registered at 307 W 6TH AVE, SPOKANE, WA 992042539

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 22, 2025

Nurse Practitioner (license number reported to NPPES: CA 95009488)

๐Ÿ“
Updated Practice Location May 21, 2019

Registered at 3737 MORAGA AVE STE B103, SAN DIEGO, CA 921175352 (Tel: 8585541212)

๐Ÿ“
Updated Business Mailing Address May 21, 2019

Registered at 9850 GENESEE AVE STE 320, LA JOLLA, CA 920371208 (Tel: 8585541212)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) May 21, 2019

Nurse Practitioner (license number reported to NPPES: WA AP60305664)

๐Ÿ“
Updated Practice Location September 24, 2018

Registered at 5671 BALBOA AVE, SAN DIEGO, CA 921112705 (Tel: 8588002880)

๐Ÿ“
Updated Business Mailing Address September 24, 2018

Registered at 5671 BALBOA AVE, SAN DIEGO, CA 921112705 (Tel: 8588002880)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) September 24, 2018

Nurse Practitioner (license number reported to NPPES: CA 95009488)

โœ…
NPI Profile Active October 19, 2012

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) October 19, 2012

Registered at 2116 EAST SECTION STREET, MOUNT VERNON, WA 982749124 (Tel: 3604281700)

๐Ÿ“
Business Mailing Address (Initial Record) October 19, 2012

Registered at 2116 EAST SECTION STREET, MOUNT VERNON, WA 982749124 (Tel: 3604281700)

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) October 19, 2012

Recorded as ERINN CASE, ARNP

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) October 19, 2012

Nurse Practitioner (license number reported to NPPES: WA AP60305664)

๐ŸŸข
Initial NPI Registration & Enumeration August 31, 2012

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1477802833
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 31, 2012
Last Update: July 22, 2025
Sole Proprietor: No

Other Nurse Practitioners in Spokane

All Nurse Practitioners in Spokane

Mailing Address

307 W 6th Ave

Spokane, WA 992042539

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.