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JUSTINE NICOLE MACASADIA PA-C
NPI 1770157844
Physician Assistant in San Francisco, CA

Active since May 13, 2021PECOS EnrolledAccepts Medicare Assignment
240 KING ST STE G2, SAN FRANCISCO, CA 94107(415) 600-2420 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 8, 2025, Jul 1, 2025, Jun 6, 2023 and 1 more (4 updates tracked since 2021).

About Justine Nicole Macasadia Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JUSTINE NICOLE MACASADIA PA-C (NPI 1770157844) is an individual physician assistant in San Francisco, California, licensed in California (PA62339) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1770157844
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameJUSTINE NICOLE MACASADIACredential: PA-C
Location Address240 KING ST STE G2San Francisco, CA 94107-1702
Mailing Address240 King St Ste G2San Francisco, CA 94107-1702
Phone(415) 600-2420
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 13, 2021
Last NPPES UpdateJuly 8, 20254 updates tracked since enumeration
NPPES CertifiedJuly 8, 2025
✔ NPI 1770157844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA62339
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X
240 KING ST STE G2, San Francisco, CA 94107
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Justine Nicole Macasadia Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355858879
PECOS Enrollment IDI20250729004532
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. MIREEN QUIZON DELOS SANTOS N.P.
Nurse Practitioner (Family)
240 KING ST STE G2
SAN FRANCISCO, CA 94107
San Francisco County (800) 972-5547
TAMANNA DESAI FNP-C
Nurse Practitioner (Family)
240 KING ST STE G2
SAN FRANCISCO, CA 94107
San Francisco County (800) 972-5547
MS. MARIA-KRISTINA SALAZAR MANIGBAS PA-C
Physician Assistant
240 KING ST STE G2
SAN FRANCISCO, CA 94107
San Francisco County (800) 972-5547
SANAM MOBIN NP
Nurse Practitioner (Family)
240 KING ST STE G2
SAN FRANCISCO, CA 94107
San Francisco County (800) 972-5547

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justine Macasadia's NPI number?

The NPI number for Justine Macasadia is 1770157844. It was assigned to this individual provider in the NPPES registry on May 13, 2021.

Where is Justine Macasadia located?

Justine Macasadia practices at 240 King St Ste G2, San Francisco, CA 94107. The listed phone number is (415) 600-2420.

What is Justine Macasadia's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Justine Macasadia enrolled in Medicare?

Yes. Justine Macasadia is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Justine Macasadia was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.