Julianna Louise Massa, PA-C
Physician Assistant · Grand Rapids, MI
Julianna Louise Massa, PA-C is a physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1487463915, issued on Dec 30, 2024. Check the license (Michigan 5601012949, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julianna Louise Massa
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601012949 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4100 Lake Dr SE, Grand Rapids, MI 49546
- Phone
- (616) 267-7414
- Enumerated
- Dec 30, 2024
- Record last updated
- Apr 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20250226001567); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 4100 Lake Dr SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Julianna Louise Massa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601012949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $115.52
1 payment: food and beverage; the largest payer was Silk Road Medical, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Center For Physical Rehabilitation And Therapy LPGrand Rapids, MI
- Center For Physical Rehabilitation IncGrand Rapids, MI
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julianna Louise Massa among 6,989 physician assistant records in Michigan
Julianna Louise Massa, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 86% of them.
- NPI issued2024 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2024 · median 2017 among the 4,739 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
913 physician assistant records list a practice address in Grand Rapids
They are 913 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Grand Rapids → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Randall Brady, PAGrand Rapids, MI 495461396798542
- Robert Burghduf, PA-CGrand Rapids, MI 495461477548832
- Heather Dickinson, PA-CGrand Rapids, MI 495461144269291
- Karen Garbowitz, PA-CGrand Rapids, MI 495461144210139
- Patrick Handlin, PAGrand Rapids, MI 495461366421711
- Kendra Lowing, P.A.Grand Rapids, MI 495461710951488
- Kathryn Pleune, PA-CGrand Rapids, MI 495461467426122
- Karen Ruihley, PA-CGrand Rapids, MI 495461225094295
Common questions
What is Julianna Louise Massa, PA-C's NPI number?
Julianna Louise Massa, PA-C's National Provider Identifier (NPI) is 1487463915, issued on Dec 30, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Julianna Louise Massa, PA-C located?
The NPPES record lists a practice address at 4100 Lake Dr SE, Grand Rapids, MI, 49546. Phone: (616) 267-7414. Providers update this record themselves, so call before visiting.
How can I verify Julianna Louise Massa, PA-C's license?
NPPES lists Michigan license number 5601012949, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.