Dr. Natalie N. Siegfried, DO
- Medicare services, 2024
- 304
- Medicare patients, 2024
- 305
- Part D claims, 2024
- 321
- Hospital affiliations
- 2
- Industry payments
- $644
- Practice address
- 3300 Healthplex Pkwy, Norman, OK 73072
- Practice phone
- Call (405) 307-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Siegfried's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Natalie N. Siegfried is an emergency medicine physician in Norman, Oklahoma
Dr. Siegfried practices at Norman Regional Hospital in Norman, Oklahoma, part of City of Norman, Oklahoma.
Dr. Siegfried's NPI, 1457960247, was assigned on July 28, 2020. Dr. Siegfried holds Oklahoma license 7351.
- NPI
- 1457960247NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214331818
- NPI enumeration date
- July 28, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (405) 307-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Natalie N. Siegfried practices at Norman Regional Hospital in Norman, Oklahoma
Dr. Siegfried's primary practice is Norman Regional Hospital, at 3300 Healthplex Pkwy, Norman, OK 73072 in Cleveland County. The practice phone is (405) 307-1050.
- Norman Regional Hospital3300 Healthplex Pkwy, Norman, OK 73072 · Cleveland CountyPhone(405) 307-1050
Source: Dmand AI Affiliation Data
Dr. Natalie N. Siegfried is affiliated with 2 sites of care and 4 medical groups
Dr. Siegfried's primary practice is Norman Regional Hospital in Norman, Oklahoma, part of City of Norman, Oklahoma. Dr. Siegfried is also affiliated with Chickasaw Nation Medical Center. The medical group on file is Pleasanton Emergency Medical Group. Dmand AI also links Dr. Siegfried to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Natalie N. Siegfried's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siegfried practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Norman Regional Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across City of Norman, Oklahoma and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Natalie N. Siegfried is one of 695 emergency medicine physicians in Oklahoma
Emergency medicine is Dr. Siegfried's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Siegfried is licensed in Oklahoma.
Specialties and state licenses
- Emergency medicine, OklahomaPrimary
Emergency medicine physicians near Dr. Siegfried
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Natalie N. Siegfried billed Medicare for 304 services in 2024
CMS data shows 304 Medicare services from Dr. Siegfried across 3 procedure codes in 2024, for 305 Medicare patients. Medicare paid $30,592 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Siegfried's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1172024: 304160%
Dr. Siegfried compared with the Oklahoma median for emergency medicine physicians, 2024
- Dr. Siegfried
- Oklahoma median
- Medicare services
- 304vs 3246% below
- Medicare patients
- 305vs 294Close to median
- Part D claims
- 200vs 882.3 times
Medians across 669 emergency medicine physicians in Oklahoma with Dmand AI profiles that report each measure.
Dr. Siegfried's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Siegfried?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siegfried and other emergency medicine physicians in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Natalie N. Siegfried treated 305 Medicare patients in 2024, average age 73
CMS counts 305 Medicare patients who saw Dr. Siegfried in 2024. The largest group is 65 to 74, with 103 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Siegfried's median patient age at 35, with 57% women.
Dr. Siegfried's Medicare patients by age, 2024
Dr. Siegfried's Medicare patients by sex, 2024
- Women18260%
- Men12340%
Chronic conditions among Dr. Siegfried's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease44%
- Mood disorders44%
- Anxiety41%
- Depression41%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siegfried's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Natalie N. Siegfried wrote 321 Medicare Part D claims in 2024
In 2024, Dr. Siegfried wrote 321 Medicare Part D claims for 207 patients. 96% of them were for generic drugs. CMS names the drug for 200 of them, across 9 drugs with 11 or more claims each, at $1,317 in total drug cost. In 2023, CMS named 143 claims across 7 drugs.
Dr. Siegfried's Part D claims by kind of drug, 2024
- Generic308 claims96%
- Brand-name13 claims4%
Dr. Siegfried's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Siegfried's Part D claims, 2024
- Opioids8%27 of 321 claims
- Antibiotics40%129 of 321 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1432024: 20040%
Drugs named by CMS: 9 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Natalie N. Siegfried takes part in Medicare
Dr. Siegfried accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Natalie N. Siegfried received $644 in industry payments from 2020 to 2025
CMS Open Payments shows 8 general payments to Dr. Siegfried from 6 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $241.
General payments to Dr. Siegfried by program year, 2020 to 2025
Companies that paid Dr. Siegfried the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Natalie N. Siegfried's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Natalie N. Siegfried
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Natalie N. Siegfried's NPI number?
Dr. Natalie N. Siegfried's NPI number is 1457960247. It was assigned on July 28, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Natalie N. Siegfried?
Dr. Natalie N. Siegfried is an emergency medicine physician in Norman, Oklahoma. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Natalie N. Siegfried practice?
Dr. Siegfried practices at 3300 Healthplex Pkwy, Norman, OK 73072. Dr. Siegfried's primary practice is Norman Regional Hospital in Norman, Oklahoma, part of City of Norman, Oklahoma. Dmand AI also links Dr. Siegfried to 3 medical groups.
What is Dr. Natalie N. Siegfried's office phone number?
The practice phone on file for Dr. Siegfried is (405) 307-1050.
What is Dr. Natalie N. Siegfried's medical license number?
Dr. Siegfried holds Oklahoma license 7351.
Which hospitals is Dr. Natalie N. Siegfried affiliated with?
Dr. Siegfried practices at Norman Regional Hospital in Norman, Oklahoma. Dr. Siegfried is also affiliated with Chickasaw Nation Medical Center.
What medical group is Dr. Natalie N. Siegfried part of?
Dr. Siegfried is linked to Pleasanton Emergency Medical Group. Dmand AI links Dr. Siegfried to 3 more medical groups.
Does Dr. Natalie N. Siegfried accept Medicare?
Yes. CMS data shows Dr. Siegfried billed Medicare for 304 services in 2024, and Dr. Siegfried accepts Medicare assignment.
How many Medicare patients does Dr. Natalie N. Siegfried see?
CMS counts 305 Medicare patients who saw Dr. Siegfried in 2024, with an average age of 73.
What services does Dr. Natalie N. Siegfried bill to Medicare?
In 2024, Dr. Siegfried's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).
Show 3 more questionsShow fewer questions
What drugs does Dr. Natalie N. Siegfried prescribe most?
In 2024 Medicare Part D data, Dr. Siegfried's most prescribed drugs by claims were Doxycycline Hyclate, Cephalexin and Prednisone.
Has Dr. Natalie N. Siegfried received payments from drug or device companies?
CMS Open Payments shows $644 in general payments to Dr. Siegfried from 6 companies from 2020 to 2025. The largest total came from UCB, Inc.
How long has Dr. Natalie N. Siegfried been practicing?
Dr. Siegfried graduated from medical school in 2020, 6 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Oklahoma by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card