Chelsea Chambers, P.A.-C
Physician Assistant · Happy Camp, CA
Chelsea Chambers, P.A.-C is a physician assistant with a practice address in Happy Camp, California, and NPI 1174769632, issued on Jan 5, 2009. Check the license (California PA21783, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chelsea Chambers
- Credential
- P.A.-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21783 CA
Self-reported in NPPES; status is on the state search - Practice location
- 64236 Second Avenue, Happy Camp, CA 96039
- Phone
- (530) 493-5257
- Enumerated
- Jan 5, 2009
- Record last updated
- Nov 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (530) 493-5270
- Medicare enrollment
- Enrolled (PECOS I20111108000676); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 64236 Second Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alixandra Alfke, RN BSNRegistered Nurse1053034033
- Vickie Walden, RDADental Assistant1619033602
- Deborah Whitman, RDADental Assistant1841356631
Verify Chelsea Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average physician assistant in 2024
225 Medicare Part D claims for 119 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Myrbetriq60 claims
- Estradiol57 claims
- Gemtesa47 claims
- Cephalexin23 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 MIPS final score for 2023 (Medicare payment program): 84.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $148.37
3 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, 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
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea Chambers among 14,451 physician assistant records in California
Chelsea Chambers, P.A.-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 25% of them.
- NPI issued2009 · 25% of these records are older, 73% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2008 · median 2018 among the 7,214 with a school on file
- Record last updated2011 · 40% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 physician assistant record lists a practice address in Happy Camp
They are 1 of the 16 NPPES records with a practice address in Happy Camp, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Happy Camp → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Melanie Wang, PAFall River Mills, CA 960281982539094
- Jordan Moser, PA-CLos Molinos, CA 960551437990595
- Darlene Androus Junk, PA/CCorning, CA 960211144272766
- Dorothy Bratton, PA-CCorning, CA 960211881873206
- Antone Briseno, PAMcCloud, CA 960571083800742
- Tobin Duisenberg, PA-CCorning, CA 960211417298225
- Daniel McClough, P.ACorning, CA 960211023220167
- David Medina, P.A.-C.Corning, CA 960211245342732
Common questions
What is Chelsea Chambers, P.A.-C's NPI number?
Chelsea Chambers, P.A.-C's National Provider Identifier (NPI) is 1174769632, issued on Jan 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Chambers, P.A.-C located?
The NPPES record lists a practice address at 64236 Second Avenue, Happy Camp, CA, 96039. Phone: (530) 493-5257. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Chambers, P.A.-C's license?
NPPES lists California license number PA21783, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chelsea Chambers, P.A.-C prescribe under Medicare Part D?
In 2024, Chelsea Chambers, P.A.-C had 225 Medicare Part D claims for 119 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Chelsea Chambers, P.A.-C's MIPS final score?
The 2023 MIPS final score is 84.9 of 100. 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.