Jenna Gassman, DO
NPI 1124636543 · Internal Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jenna Gassman, DO is a Internal Medicine Physician provider in Sioux Falls, SD (NPI 1124636543).
Provider details
- NPI number
- 1124636543
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 14671 (ND)
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
5 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
442 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 | 217 | $92 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 132 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 67 | $62 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 26 | $125 |
Typical Medicare-allowed amounts for these services range $16–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 90 | 44 |
| Amlodipine Besylate | 90 | 31 |
| Atorvastatin Calcium | 83 | 29 |
| Omeprazole | 78 | 34 |
| Lisinopril | 70 | 27 |
| Gabapentin | 68 | 19 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 5225 23rd Ave SFargo, ND 58104-7927Phone: (701) 234-5933
Registry dates
- Enumerated
- 2020-07-22
- Last updated
- 2023-11-03
- Certified
- 2023-11-03
Frequently asked questions
- What is Jenna Gassman's NPI number?
- Jenna Gassman's National Provider Identifier (NPI) is 1124636543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jenna Gassman's specialty?
- Jenna Gassman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jenna Gassman located?
- Jenna Gassman's practice location on file with NPPES is 1321 W 22nd St, Sioux Falls, SD 57105-1502.
- What is Jenna Gassman's phone number?
- The practice phone number listed in the NPPES registry for Jenna Gassman is (605) 404-4000.
- Does Jenna Gassman accept Medicare?
- Jenna Gassman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jenna Gassman's NPI active?
- Yes — Jenna Gassman's NPI (1124636543) is active in the NPPES registry as of the last update on 2023-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.