Elizabeth Petrish , RPH
Pharmacist • Oak Harbor, WA
1450 Sw Erie St
Oak Harbor, WA 982773104
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on May 12, 2007; this date does not establish years in practice.
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Published CMS data list 15 Medicare Part D prescriptions, including refills, in 2022.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2022. Published rows only; this is not a quality measure.
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Published Part D records, 2022:
- Shingrix (Varicella-Zoster Ge/As01b/Pf) — 15 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2022. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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Medicare Part D prescriptions went from 38 in 2018 to 15 in 2022.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2018–2022.
Practice Location & Contact Primary Location
1450 Sw Erie St
Oak Harbor, WA 982773104
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Pharmacist: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
15 standardized 30-day fills in 2022
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
$2,953 in 2022
The total cost of these prescriptions in 2022, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
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 – by Provider and Drug, 2022.
NPI first issued
2007
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, “Does your provider accept Medicare as full payment?”
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.
Compared with the same specialty in Oak Harbor and Washington
Billing and prescribing volume is not a quality rating.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Elizabeth Petrish are from 2022.
25 active clinicians are listed under Pharmacist with a practice address in Oak Harbor, WA (7,786 in Washington).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Oak Harbor
0% of these 25 clinicians have the CMS telehealth indicator.
0% of these 25 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 61% from 38 in 2018 to 15 in 2022.
- 2018: 38
- 2019: 176
- 2020: 42
- 2022: 15
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30-day fills
30-day fills decreased 61% from 38 in 2018 to 15 in 2022.
- 2018: 38
- 2019: 176
- 2020: 42
- 2022: 15
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Part D drug cost
Part D drug cost decreased 52% from $6,137 in 2018 to $2,953 in 2022.
- 2018: $6,137
- 2019: $29,098
- 2020: $7,266
- 2022: $2,953
Sources: CMS Medicare Part D Prescribers (2022), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2022.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Shingrix | Varicella-Zoster Ge/As01b/Pf | 15 | 15 | $2,953.12 | 14 |
Source: CMS Part D by Provider and Drug, 2022; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 183500000X
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Pharmacist
Registered Pharmacist
Career & Practice History
NPI enumerated May 12, 2007.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Other Pharmacists in Oak Harbor
- Dondi Byrne
- Hoang Tran, RPH
- Dr. Margeaux Amerine, PharmD
- Dr. William Eskridge, PharmD
- Dr. Matthew Krumpak, PharmD
- Erica Barlow, RPH
Mailing Address
1450 Sw Erie St
Oak Harbor, WA 982773104
Phone: 3602798829