Catherine A. Hartjoy, PAC
Physician Assistant · Tacoma, WA
Catherine A. Hartjoy, PAC is a physician assistant with a practice address in Tacoma, Washington, and NPI 1275520066, issued on Oct 5, 2005. Check the license (Washington OA10000230, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine A. Hartjoy
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- OA10000230 WA
PA60895931 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1802 S Union Ave, Tacoma, WA 98405
- Phone
- (253) 752-6965
- Enumerated
- Oct 5, 2005
- Record last updated
- Oct 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (253) 759-6056
- Medicare enrollment
- Enrolled (PECOS I20050907000683); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1802 S Union Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Brown, P.T.Physical Therapist1679749329
- Monica Dimick, PA-CPhysician Assistant1992196554
- Melissa Gamble, PACPhysician Assistant1588675250
- Sarah Ray, PTPhysical Therapist1063499960
- Kenneth Scherbarth, DOFamily Medicine Physician1942297353
- James Shuffield, DOFamily Medicine Physician1659368066
Verify Catherine A. Hartjoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OA10000230Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average physician assistant in 2024
3,533 Medicare Part D claims for 235 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 142 claims were for opioids.
Most prescribed
- Amlodipine Besylate150 claims
- Losartan Potassium146 claims
- Atorvastatin Calcium134 claims
- Levothyroxine Sodium124 claims
- Lisinopril124 claims
- Hydrochlorothiazide99 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $986.48
46 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- White River Family Care LLCBuckley, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
324 physician assistant records list a practice address in Tacoma
They are 324 of the 13,715 NPPES records with a practice address in Tacoma, and 3,718 physician assistant records in Washington.
All 324 in Tacoma → All 3,718 in Washington → Every provider in Tacoma →
Other physician assistant records in Washington
- Eric Abarr, PA-CMarysville, WA1598655292
- Ahmed Abdelshafy, PA-CCheney, WA1457029795
- Sihaam AbdiShoreline, WA1801758289
- Nicole Abdullah, PAWenatchee, WA1285032268
- Kimberly Abella-Cree, PA-CYakima, WA1548514292
- Buddhika AbeyratneOak Harbor, WA1104369560
- Danielle Abrass, PA-CSeattle, WA1184140717
- Abraham Abu, PA-CSeattle, WA1710036587
- Alvin AbuegEverett, WA1396132015
- Aaron Adam, PA-CVancouver, WA1447543459
Common questions
What is Catherine A. Hartjoy, PAC's NPI number?
Catherine A. Hartjoy, PAC's National Provider Identifier (NPI) is 1275520066, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Catherine A. Hartjoy, PAC located?
The NPPES record lists a practice address at 1802 S Union Ave, Tacoma, WA, 98405. Phone: (253) 752-6965. Providers update this record themselves, so call before visiting.
How can I verify Catherine A. Hartjoy, PAC's license?
NPPES lists Washington license number OA10000230, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine A. Hartjoy, PAC prescribe under Medicare Part D?
In 2024, Catherine A. Hartjoy, PAC had 3,533 Medicare Part D claims for 235 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.