Natalie N. Siegfried, DO
Emergency Medicine Physician · Norman, OK
Natalie N. Siegfried, DO is an emergency medicine physician with a practice address in Norman, Oklahoma, and NPI 1457960247, issued on Jul 28, 2020. Check the license (Oklahoma 7351, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Natalie N. Siegfried
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 7351 OK
0382R OK
Self-reported in NPPES; status is on the state search - Practice location
- 901 N Porter Avenue, Norman, OK 73071
- Phone
- (405) 307-5340
- Enumerated
- Jul 28, 2020
- Record last updated
- May 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20251007002798); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 901 N Porter Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Derek Hill, DOEmergency Medicine Physician1093323891
Verify Natalie N. Siegfried in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 7351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average emergency medicine physician in 2024
321 Medicare Part D claims for 207 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 27 claims were for opioids.
Most prescribed
- Doxycycline Hyclate36 claims
- Cephalexin30 claims
- Prednisone28 claims
- Amoxicillin-Clavulanate Potass22 claims
- Ondansetron Odt22 claims
- Methocarbamol19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Chickasaw Nation Division OF HealthAda, OK
- Norman Regional Hospital AuthorityNorman, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalie N. Siegfried among 748 emergency medicine physician records in Oklahoma
Natalie N. Siegfried, DO is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 78% of them.
- NPI issued2020 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2020 · median 2016 among the 438 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 emergency medicine physician records list a practice address in Norman
They are 63 of the 4,245 NPPES records with a practice address in Norman, and 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Norman → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Allen Baughman, D.O.Norman, OK 730711962875922
- Jason Benn, D.O.Norman, OK 730711427046671
- Matthew Bonner, M.D.Norman, OK 730711780679837
- Chad BorinNorman, OK 730711770578825
- Angela Carrick, D.O.Norman, OK 730711508939729
- Aaron Fry, D.O.Norman, OK 730711225401292
- Vincent Gonzalez, M.D.Norman, OK 730711952397481
- Kevin Hoos, D.O.Norman, OK 730711376539841
Common questions
What is Natalie N. Siegfried, DO's NPI number?
Natalie N. Siegfried, DO's National Provider Identifier (NPI) is 1457960247, issued on Jul 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Natalie N. Siegfried, DO located?
The NPPES record lists a practice address at 901 N Porter Avenue, Norman, OK, 73071. Phone: (405) 307-5340. Providers update this record themselves, so call before visiting.
How can I verify Natalie N. Siegfried, DO's license?
NPPES lists Oklahoma license number 7351, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Natalie N. Siegfried, DO prescribe under Medicare Part D?
In 2024, Natalie N. Siegfried, DO had 321 Medicare Part D claims for 207 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.