Austin James Chamberlain, PA-C
Physician Assistant · Centralia, WA
Austin James Chamberlain, PA-C is a physician assistant with a practice address in Centralia, Washington, and NPI 1821661091, issued on Jul 23, 2021. Check the license (Washington PA61206641, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Austin James Chamberlain
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA61206641 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Cooks Hill RD Ste G, Centralia, WA 98531
- Phone
- (360) 736-3042
- Enumerated
- Jul 23, 2021
- Record last updated
- Aug 15, 2025
- Fax
- (607) 362-9673
- Medicaid ID
- 2193450 WA
- Medicare enrollment
- Enrolled (PECOS I20211025002758); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 1800 Cooks Hill RD Ste G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Allen, ARNPFamily Nurse Practitioner1972387090
- Heather Day, APNPFamily Nurse Practitioner1265767487
- Amy Mills, RNRegistered Nurse1487416244
- Glenn Sons, PA-CPhysician Assistant1912439431
- Michelle Stover, ARNPFamily Nurse Practitioner1447884374
Verify Austin James Chamberlain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA61206641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average physician assistant in 2024
1,757 Medicare Part D claims for 525 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium107 claims
- Omeprazole66 claims
- Losartan Potassium53 claims
- Levothyroxine Sodium51 claims
- Albuterol Sulfate Hfa40 claims
- Gabapentin40 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $69.25
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Lewis County Community Health ServicesToledo, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Austin James Chamberlain among 3,718 physician assistant records in Washington
Austin James Chamberlain, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2017 among the 2,460 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 physician assistant records list a practice address in Centralia
They are 24 of the 1,049 NPPES records with a practice address in Centralia, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Centralia → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christine Caple, PA-CCentralia, WA 985311336424092
- Mercedes Converse, PA-CCentralia, WA 985311780102970
- Justin Cooper, PA-CCentralia, WA 985311316339385
- Brian Covington, PACentralia, WA 985311326219536
- Joel Deming, PA-CCentralia, WA 985311285814129
- Susan Ghysels, PA-CCentralia, WA 985311548410616
- Mary Goldmann, PA-CCentralia, WA 985311891984613
- Jennifer Green, PACentralia, WA 985311982269395
Common questions
What is Austin James Chamberlain, PA-C's NPI number?
Austin James Chamberlain, PA-C's National Provider Identifier (NPI) is 1821661091, issued on Jul 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Austin James Chamberlain, PA-C located?
The NPPES record lists a practice address at 1800 Cooks Hill RD Ste G, Centralia, WA, 98531. Phone: (360) 736-3042. Providers update this record themselves, so call before visiting.
How can I verify Austin James Chamberlain, PA-C's license?
NPPES lists Washington license number PA61206641, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Austin James Chamberlain, PA-C prescribe under Medicare Part D?
In 2024, Austin James Chamberlain, PA-C had 1,757 Medicare Part D claims for 525 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Austin James Chamberlain, PA-C's MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.