Chelsea Johnson, PA-C
Physician Assistant · San Francisco, CA
Chelsea Johnson, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1467962795, issued on Sep 29, 2017. Check the license (California PA54870, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chelsea Johnson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA54870 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2131 Irving St, San Francisco, CA 94122
- Phone
- (917) 838-0999
- Enumerated
- Sep 29, 2017
- Record last updated
- Jan 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20171020001069); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2131 Irving St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Celine Rendle, FNP-CNurse Practitioner1770301525
- Jennifer Vu, PA-CPhysician Assistant1235744764
Verify Chelsea Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA54870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average physician assistant in 2024
489 Medicare Part D claims for 194 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 216 claims were for opioids.
Most prescribed
- Oxycodone Hcl133 claims
- Naloxone Hcl63 claims
- Prednisone58 claims
- Famotidine54 claims
- Hydrocodone-Acetaminophen49 claims
- Hydromorphone Hcl19 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.
Bills Medicare through one group practice
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea Johnson among 14,451 physician assistant records in California
Chelsea Johnson, 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 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- David Adler, PA-CSan Francisco, CA 941221346992138
- Rose Marie Grainda, PA-CSan Francisco, CA 941221528253648
- Sabrina Han, PA-CSan Francisco, CA 941221679895015
- Winnie JiangSan Francisco, CA 941221831924810
- Lea Meine, P.A.San Francisco, CA 941221689826687
- Megan MillerSan Francisco, CA 941221861240178
- Jennifer Vu, PA-CSan Francisco, CA 941221235744764
- Christopher AlveySan Francisco, CA 941231851842009
Common questions
What is Chelsea Johnson, PA-C's NPI number?
Chelsea Johnson, PA-C's National Provider Identifier (NPI) is 1467962795, issued on Sep 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Johnson, PA-C located?
The NPPES record lists a practice address at 2131 Irving St, San Francisco, CA, 94122. Phone: (917) 838-0999. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Johnson, PA-C's license?
NPPES lists California license number PA54870, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chelsea Johnson, PA-C prescribe under Medicare Part D?
In 2024, Chelsea Johnson, PA-C had 489 Medicare Part D claims for 194 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.