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JULIANNA LOUISE MASSA PA-C
NPI 1487463915
Physician Assistant in Grand Rapids, MI

Active since December 30, 2024PECOS EnrolledAccepts Medicare Assignment
4100 LAKE DR SE, GRAND RAPIDS, MI 49546(616) 267-7414 Get Directions Write a Review

NPPES record last updated: April 14, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Feb 3, 2025, Dec 30, 2024 (2 updates tracked since 2024).

About Julianna Louise Massa Pa-c NPPES

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

JULIANNA LOUISE MASSA PA-C (NPI 1487463915) is an individual physician assistant in Grand Rapids, Michigan, licensed in Michigan (5601012949) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1487463915
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameJULIANNA LOUISE MASSACredential: PA-C
Location Address4100 LAKE DR SEGrand Rapids, MI 49546-8292
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Phone(616) 267-7414
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 30, 2024
Last NPPES UpdateApril 14, 20252 updates tracked since enumeration
NPPES CertifiedApril 14, 2025
✔ NPI 1487463915 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MI · 5601012949
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.
4100 LAKE DR SE, Grand Rapids, MI 49546
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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

Julianna Louise Massa 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 ID6305366980
PECOS Enrollment IDI20250226001567
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49546 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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 20

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

TELLA KATARINA MINKKINEN PT
Physical Therapist
4100 LAKE DR SE, SUITE 305
GRAND RAPIDS, MI 49546
Kent County (616) 285-1377
RANDALL SCOTT MEISNER MD
Internal Medicine (Gastroenterology)
4100 LAKE DR SE, SUITE 205
GRAND RAPIDS, MI 49546
Kent County (616) 267-7414
DR. MARYKAY LEHMAN M.D.
Internal Medicine (Pulmonary Disease)
4100 LAKE DR SE, SUITE 200
GRAND RAPIDS, MI 49546
Kent County (616) 949-8244
GUSTAVO CUMBO-NACHELI
Internal Medicine (Pulmonary Disease)
4100 LAKE DR SE, SUITE 200
GRAND RAPIDS, MI 49546
Kent County (616) 267-8244
JANET DOMINOWSKI RD
Dietitian, Registered
4100 LAKE DR SE, SUITE 200
GRAND RAPIDS, MI 49546
Kent County (616) 267-8950
WALTER M BRAUNOHLER M.D.
Orthopaedic Surgery
4100 LAKE DR SE, SUITE 300
GRAND RAPIDS, MI 49546
Kent County (616) 267-8860
JILL C THORPE PA-C
Physician Assistant
4100 LAKE DR SE, SUITE 205
GRAND RAPIDS, MI 49546
Kent County (616) 774-2414
PATRICIA BEGGS AT, ATC
Specialist/Technologist (Athletic Trainer)
4100 LAKE DR SE, SUITE 300
GRAND RAPIDS, MI 49546
Kent County (616) 267-8565

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 Julianna Massa's NPI number?

The NPI number for Julianna Massa is 1487463915. It was assigned to this individual provider in the NPPES registry on December 30, 2024.

Where is Julianna Massa located?

Julianna Massa practices at 4100 Lake Dr SE, Grand Rapids, MI 49546. The listed phone number is (616) 267-7414.

What is Julianna Massa's specialty?

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

Is Julianna Massa enrolled in Medicare?

Yes. Julianna Massa 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.

What insurance does Julianna Massa accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Julianna Massa as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Julianna Massa affiliated with any hospitals?

According to CMS data, Julianna Massa is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Julianna Massa was last updated on April 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.