Anthony Pfeiffer, M.D.
NPI 1104189497 · Emergency Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Pfeiffer, M.D. is a Emergency Medicine Physician provider in Sioux Falls, SD (NPI 1104189497).
Provider details
- NPI number
- 1104189497
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MT201273 (PA)
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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
256 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 130 | $163 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 67 | $110 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 59 | $8 |
Typical Medicare-allowed amounts for these services range $8–$163 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 52 | 51 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 28 | 28 |
| Prednisone | 27 | 26 |
| Cefdinir | 24 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 20 |
| Azithromycin | 19 | 18 |
| Oxycodone Hcl/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-21
- Last updated
- 2017-06-27
Frequently asked questions
- What is Anthony Pfeiffer's NPI number?
- Anthony Pfeiffer's National Provider Identifier (NPI) is 1104189497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Pfeiffer's specialty?
- Anthony Pfeiffer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Pfeiffer located?
- Anthony Pfeiffer's practice location on file with NPPES is 1305 W 18th St, Sioux Falls, SD 57105-0401.
- What is Anthony Pfeiffer's phone number?
- The practice phone number listed in the NPPES registry for Anthony Pfeiffer is (605) 333-1000.
- Does Anthony Pfeiffer accept Medicare?
- Anthony Pfeiffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Pfeiffer's NPI active?
- Yes — Anthony Pfeiffer's NPI (1104189497) is active in the NPPES registry as of the last update on 2017-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.