Justine Nicole Macasadia, PA-C
Physician Assistant · San Francisco, CA
Justine Nicole Macasadia, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1770157844, issued on May 13, 2021. Check the license (California PA62339, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justine Nicole Macasadia
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA62339 CA
Self-reported in NPPES; status is on the state search - Practice location
- 240 King St Ste G2, San Francisco, CA 94107
- Phone
- (415) 600-2420
- Enumerated
- May 13, 2021
- Record last updated
- Jul 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250729004532); 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 240 King St Ste G2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria-Kristina Manigbas, PA-CPhysician Assistant1871627877
- Sanam Mobin, NPFamily Nurse Practitioner1952822439
Verify Justine Nicole Macasadia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA62339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average physician assistant in 2024
143 Medicare Part D claims for 118 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin12 claims
- Nitrofurantoin Mono-Macro12 claims
- Cephalexin11 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
- Sutter Bay Medical FoundationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justine Nicole Macasadia among 14,451 physician assistant records in California
Justine Nicole Macasadia, 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 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2022 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 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
- Emily BarrickSan Francisco, CA 941071023481975
- Maria-Kristina Manigbas, PA-CSan Francisco, CA 941071871627877
- Audrey Ogg, PA-CSan Francisco, CA 941071245757194
- Joseph Chiera, P.A.San Francisco, CA 941081992172571
- Austin Davis-Hunter, PASan Francisco, CA 941081275255994
- Kimberly Derkach, PA-CSan Francisco, CA 941081588113518
- Natalie EngSan Francisco, CA 941081073164166
- Amy Kim, PA-CSan Francisco, CA 941081942846050
Common questions
What is Justine Nicole Macasadia, PA-C's NPI number?
Justine Nicole Macasadia, PA-C's National Provider Identifier (NPI) is 1770157844, issued on May 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Justine Nicole Macasadia, PA-C located?
The NPPES record lists a practice address at 240 King St Ste G2, San Francisco, CA, 94107. Phone: (415) 600-2420. Providers update this record themselves, so call before visiting.
How can I verify Justine Nicole Macasadia, PA-C's license?
NPPES lists California license number PA62339, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Justine Nicole Macasadia, PA-C prescribe under Medicare Part D?
In 2024, Justine Nicole Macasadia, PA-C had 143 Medicare Part D claims for 118 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.