Andrew Massar, PA-C
NPI 1205506748 · Physician Assistant · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Massar, PA-C is a Physician Assistant provider in Grand Rapids, MI (NPI 1205506748).
Provider details
- NPI number
- 1205506748
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 5601010392 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
494 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $72 |
| Urinalysis, Manual Test81002 | 124 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 93 | $102 |
| Manual Urinalysis Test With Examination Using Microscope, Non-Automated81000 | 80 | $4 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 38 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 443 | 137 |
| Finasteride | 131 | 49 |
| Mirabegronbrand: Myrbetriq | 85 | 27 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 85 | 22 |
| Trospium Chloridebrand: Trospium Chloride Er | 81 | 23 |
| Solifenacin Succinate | 70 | 20 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$610 across 24 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-09-16
- Last updated
- 2025-10-27
- Certified
- 2025-10-27
Frequently asked questions
- What is Andrew Massar's NPI number?
- Andrew Massar's National Provider Identifier (NPI) is 1205506748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Massar's specialty?
- Andrew Massar is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrew Massar located?
- Andrew Massar's practice location on file with NPPES is 1900 Wealthy St Se Ste 100, Grand Rapids, MI 49506-2972.
- What is Andrew Massar's phone number?
- The practice phone number listed in the NPPES registry for Andrew Massar is (616) 267-7333.
- Does Andrew Massar accept Medicare?
- Andrew Massar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Massar's NPI active?
- Yes — Andrew Massar's NPI (1205506748) is active in the NPPES registry as of the last update on 2025-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.