Natalie Siegfried, DO
NPI 1457960247 · Emergency Medicine Physician · Norman, OK
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Siegfried, DO is a Emergency Medicine Physician provider in Norman, OK (NPI 1457960247).
Provider details
- NPI number
- 1457960247
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 7351 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
304 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 Moderate Level of Medical Decision Making99284 | 154 | $113 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 120 | $165 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 30 | $67 |
Typical Medicare-allowed amounts for these services range $67–$165 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 36 | 36 |
| Cephalexin | 30 | 30 |
| Prednisone | 28 | 28 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Ondansetronbrand: Ondansetron Odt | 22 | 22 |
| Methocarbamol | 19 | 19 |
| Ciprofloxacin Hcl | 15 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-07-28
- Last updated
- 2022-05-02
- Certified
- 2022-05-02
Frequently asked questions
- What is Natalie Siegfried's NPI number?
- Natalie Siegfried's National Provider Identifier (NPI) is 1457960247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Siegfried's specialty?
- Natalie Siegfried is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Natalie Siegfried located?
- Natalie Siegfried's practice location on file with NPPES is 901 N Porter Avenue, Norman, OK 73071.
- What is Natalie Siegfried's phone number?
- The practice phone number listed in the NPPES registry for Natalie Siegfried is (405) 307-5340.
- Does Natalie Siegfried accept Medicare?
- Natalie Siegfried is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Siegfried's NPI active?
- Yes — Natalie Siegfried's NPI (1457960247) is active in the NPPES registry as of the last update on 2022-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.