Melissa Juncker, PA
Physician Assistant · San Francisco, CA
Melissa Juncker, PA is a physician assistant with a practice address in San Francisco, California, and NPI 1275534562, issued on Aug 9, 2005. Check the license (California PA18024, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Juncker
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA18024 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Market St, San Francisco, CA 94102
- Phone
- (415) 746-1812
- Enumerated
- Aug 9, 2005
- Record last updated
- Aug 23, 2023
- Fax
- (415) 829-2326
- Medicare enrollment
- Enrolled (PECOS I20061212000392); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1600 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melissa Juncker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18024Check 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 188 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Paxlovid37 claims
- Nitrofurantoin Mono-Macro23 claims
- Cephalexin21 claims
- Amoxicillin-Clavulanate Potass17 claims
- Prednisone14 claims
- Albuterol Sulfate Hfa12 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): 96.5 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).
Bills Medicare through one group practice
- Ucsf Health Medical FoundationSan Bruno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Juncker among 14,451 physician assistant records in California
Melissa Juncker, PA 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2002 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 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
- Kelly Arditi, PA-CSan Francisco, CA 941021508041583
- Morgan CavanaughSan Francisco, CA 941021932960986
- Kathy ChenSan Francisco, CA 941021871255927
- Kacie Cooke, PASan Francisco, CA 941021487949707
- Michele Etzbach, PA-CSan Francisco, CA 941021588471460
- Charis Fasoldt, PASan Francisco, CA 941021447943667
- James Franicevich, NPSan Francisco, CA 941021205953676
- Melissa Heyer, PA-CSan Francisco, CA 941021043555170
Common questions
What is Melissa Juncker, PA's NPI number?
Melissa Juncker, PA's National Provider Identifier (NPI) is 1275534562, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Juncker, PA located?
The NPPES record lists a practice address at 1600 Market St, San Francisco, CA, 94102. Phone: (415) 746-1812. Providers update this record themselves, so call before visiting.
How can I verify Melissa Juncker, PA's license?
NPPES lists California license number PA18024, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Juncker, PA prescribe under Medicare Part D?
In 2024, Melissa Juncker, PA had 225 Medicare Part D claims for 188 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Melissa Juncker, PA's MIPS final score?
The 2023 MIPS final score is 96.5 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.