Aaron Trygstad, M.D.
NPI 1598745994 · Family Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Trygstad, M.D. is a Family Medicine Physician provider in Sioux Falls, SD (NPI 1598745994).
Provider details
- NPI number
- 1598745994
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 47809 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
353 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 225 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $62 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $125 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 11 | $159 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 11 | $125 |
Typical Medicare-allowed amounts for these services range $62–$159 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 206 | 66 |
| Levothyroxine Sodium | 177 | 48 |
| Omeprazole | 176 | 55 |
| Lisinopril | 160 | 54 |
| Amlodipine Besylate | 143 | 45 |
| Rosuvastatin Calcium | 119 | 38 |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (1)
- 14655 Galaxie AveApple Valley, MN 55124-8575Phone: (952) 432-6161Fax: (952) 432-7019
Registry dates
- Enumerated
- 2006-01-20
- Last updated
- 2022-11-08
- Certified
- 2022-11-08
Frequently asked questions
- What is Aaron Trygstad's NPI number?
- Aaron Trygstad's National Provider Identifier (NPI) is 1598745994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Trygstad's specialty?
- Aaron Trygstad is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Trygstad located?
- Aaron Trygstad's practice location on file with NPPES is 2601 S Ellis Rd, Sioux Falls, SD 57106-7067.
- What is Aaron Trygstad's phone number?
- The practice phone number listed in the NPPES registry for Aaron Trygstad is (605) 312-7000.
- Does Aaron Trygstad accept Medicare?
- Aaron Trygstad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Trygstad's NPI active?
- Yes — Aaron Trygstad's NPI (1598745994) is active in the NPPES registry as of the last update on 2022-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.