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Edit this profileAt a glance
- 550 E Colorado Blvd, Spearfish, SD 57783
About Gregory Larson
Listed in the NPI registry as a physician assistant, Gregory Larson, PA-C practices in Spearfish, SD. Gregory graduated from Yale University School of Medicine in 2011. According to Medicare claims data, Gregory cared for 1,098 Medicare patients across 1,827 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth. NPI 1134577448 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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) 717-8860
- Email not available
Practice Locations
550 E COLORADO BLVD
Spearfish, SD 57783
Procedures Most Often Billed to Medicare
1,827 services · 1,098 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
731 | More often than most peers in Physician Assistant |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
179 | As often as other peers in Physician Assistant |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
122 | As often as other peers in Physician Assistant |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
120 | As often as other peers in Physician Assistant |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
61 | More often than most peers in Physician Assistant |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
36 | As often as other peers in Physician Assistant |
| Destruction of skin growth, 15 or more growths | Procedure | 17111 |
23 | As often as other peers in Physician Assistant |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
18 | As often as other 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 |
342 | 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 |
103 | 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.
Related specialists at this location 1
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.
Other physician assistants in Spearfish 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Yale University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in SD who bill this service to Medicare most often.
Common questions
What kind of doctor is Gregory Larson?
Gregory Larson is a physician assistant in Spearfish, SD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Gregory Larson's address?
Gregory Larson is listed at 550 E Colorado Blvd, Spearfish, SD 57783. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gregory Larson?
The number on file is (605) 717-8860. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory Larson's NPI number?
Gregory Larson's National Provider Identifier is 1134577448. 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 Gregory Larson train?
Gregory Larson attended Yale University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory Larson been practicing?
Gregory Larson has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gregory Larson perform?
According to Medicare billing data, Gregory Larson performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregory Larson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory Larson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.