Provider Profile
Andrew Massar, PA-C
Unclaimed ProfileAbout Andrew Massar
Andrew Massar, PA-C is a physician assistant based in Grand Rapids, MI. According to Medicare claims data, Andrew cared for 411 Medicare patients across 494 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, urinalysis, manual test, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (616) 267-7333
- Email not available
Practice Locations
1900 WEALTHY ST SE STE 100
Grand Rapids, MI 49506
Procedures Most Often Billed to Medicare
494 services · 411 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
38 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
126 | More often than most peers in Physician Assistant |
| Urinalysis, manual test | Lab test | 81002 |
124 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
93 | As often as other peers in Physician Assistant |
| Manual urinalysis test with examination using microscope, non-automated | Lab test | 81000 |
80 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
33 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Grand Rapids 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in MI who bill this service to Medicare most often.
Common questions
What kind of doctor is Andrew Massar?
Andrew Massar is a physician assistant in Grand Rapids, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Andrew Massar's address?
Andrew Massar is listed at 1900 Wealthy St Se Ste 100, Grand Rapids, MI 49506. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Andrew Massar?
The number on file is (616) 267-7333. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Andrew Massar's NPI number?
Andrew Massar's National Provider Identifier is 1205506748. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Andrew Massar train?
Andrew Massar attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Andrew Massar been practicing?
Andrew Massar has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What procedures does Andrew Massar perform?
According to Medicare billing data, Andrew Massar performs procedures including ultrasound measurement of bladder capacity after voiding, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Andrew Massar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Andrew Massar. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.