Arthur Trapp Chalmers, MPH, PA-C
Physician Assistant · Sacramento, CA
Arthur Trapp Chalmers, MPH, PA-C is a physician assistant with a practice address in Sacramento, California, and NPI 1013465715, issued on Sep 12, 2016. Check the license (California PA53717, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Arthur Trapp Chalmers
- Credential
- MPH, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA53717 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10423 Old Placerville RD, Sacramento, CA 95827
- Phone
- (916) 569-8600
- Enumerated
- Sep 12, 2016
- Record last updated
- Jan 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 10423 Old Placerville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian CulleyFamily Nurse Practitioner1962043729
Verify Arthur Trapp Chalmers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA53717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average physician assistant in 2024
264 Medicare Part D claims for 65 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Olanzapine20 claims
- Quetiapine Fumarate16 claims
- Atorvastatin Calcium12 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.
Arthur Trapp Chalmers among 14,451 physician assistant records in California
Arthur Trapp Chalmers, MPH, PA-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 2016, is newer than 44% of them.
- NPI issued2016 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2017 · 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).
387 physician assistant records list a practice address in Sacramento
They are 387 of the 33,083 NPPES records with a practice address in Sacramento, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Sacramento → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Leah Babakhanyan, PASacramento, CA 958271972306835
- Kasmian Campa, PA-CSacramento, CA 958271689184632
- Hilary Espana, PA-CSacramento, CA 958271952835258
- Arshdeep KaurSacramento, CA 958271205441730
- Kelley King, PASacramento, CA 958271760452130
- Marlene MaiSacramento, CA 958271679267439
- Abram Nunn, PA-CSacramento, CA 958271952730020
- Alyssa Spencer, PA-CSacramento, CA 958271285093898
Common questions
What is Arthur Trapp Chalmers, MPH, PA-C's NPI number?
Arthur Trapp Chalmers, MPH, PA-C's National Provider Identifier (NPI) is 1013465715, issued on Sep 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Arthur Trapp Chalmers, MPH, PA-C located?
The NPPES record lists a practice address at 10423 Old Placerville RD, Sacramento, CA, 95827. Phone: (916) 569-8600. Providers update this record themselves, so call before visiting.
How can I verify Arthur Trapp Chalmers, MPH, PA-C's license?
NPPES lists California license number PA53717, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Arthur Trapp Chalmers, MPH, PA-C prescribe under Medicare Part D?
In 2024, Arthur Trapp Chalmers, MPH, PA-C had 264 Medicare Part D claims for 65 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.