Provider Profile
Spencer Mason
Unclaimed ProfileAbout Spencer Mason
Listed in the NPI registry as a physician assistant, Spencer Mason practices in Mission, SD. According to Medicare claims data, Spencer cared for 99 Medicare patients across 137 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 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 — free, and no identity document with a practice or institutional email.
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
- (605) 856-2295
- Email not available
Practice Locations
161 S MAIN
Mission, SD 57555
Procedures Most Often Billed to Medicare
137 services · 99 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
75 | As often as other 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 |
62 | As often as other 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 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Spencer Mason specialize in?
Spencer Mason is a physician assistant in Mission, SD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Spencer Mason located?
Spencer Mason is listed at 161 S Main, Mission, SD 57555. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Spencer Mason's phone number?
The number on file is (605) 856-2295. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Spencer Mason's NPI number?
Spencer Mason's National Provider Identifier is 1982064184. 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 Spencer Mason train?
Spencer Mason attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Spencer Mason been practicing?
Spencer Mason has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Spencer Mason do most often?
According to Medicare billing data, Spencer Mason the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Spencer Mason confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Spencer Mason. 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.