Dr. Stephen J. Riddel, MD
- Medicare services, 2023
- 296
- Part D claims, 2024
- 66
- Industry payments
- $762
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 1401 E Van Buren Ave, Mcalester, OK 74501-4245
- Practice phone
- Call (918) 426-0240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Warren Clinics INC
Primary care practice · Mcalester, Oklahoma
Find Dr. Riddel'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. Stephen J. Riddel is an OB-GYN in Tulsa, Oklahoma
Dr. Riddel practices at Warren Clinics INC in Mcalester, Oklahoma.
Dr. Riddel's NPI, 1952364135, was assigned on April 10, 2006. Dr. Riddel graduated from University of Kansas School of Med (KC/Wich/Sal) in 1985. Dr. Riddel holds Oklahoma license 16862.
- NPI
- 1952364135NPI Registry (opens in a new tab)
- NPI enumeration date
- April 10, 2006
- NPI status
- Active
- Practice phone
- (918) 426-0240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen J. Riddel practices in Mcalester and Tulsa
Dr. Riddel's primary practice is Warren Clinics INC, at 1401 E Van Buren Ave, Mcalester, OK 74501-4245. The practice phone is (918) 426-0240. The NPI Registry lists Dr. Riddel's practice address as 6600 S Yale E Ave, Tulsa, OK 74136.
- Warren Clinics INCPrimary1401 E Van Buren Ave, Mcalester, OK 74501-4245Phone(918) 426-0240
- NPI Registry address6600 S Yale E Ave, Tulsa, OK 74136 · Tulsa CountyPhone(918) 426-0240
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Stephen J. Riddel is affiliated with 2 sites of care and 2 medical groups
Dr. Riddel's primary practice is Warren Clinics INC in Mcalester, Oklahoma. The medical group on file is Warren Clinic. Dmand AI also links Dr. Riddel to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Stephen J. Riddel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riddel practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Warren Clinics INC | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen J. Riddel is one of 392 OB-GYNs in Oklahoma
Obstetrics and gynecology is Dr. Riddel's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Riddel is licensed in Oklahoma.
Specialties and state licenses
- Obstetrics and gynecology, OklahomaPrimary
OB-GYNs near Dr. Riddel
Counts of OB-GYNs 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. Stephen J. Riddel billed Medicare for 296 services in 2023
CMS data shows 296 Medicare services from Dr. Riddel across 7 procedure codes in 2023. Medicare paid $15,539 for them. Every service was in an office.
Dr. Riddel's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Imaging
- 2022: 3052023: 24520%
- Office and hospital visits
- 2022: 252023: 3852%
- Other services
- 2022: 152023: 1313%
Dr. Riddel compared with the Oklahoma median for OB-GYNs, 2023
- Dr. Riddel
- Oklahoma median
- Medicare services
- 296vs 496.0 times
- Part D claims
- 35vs 3910% below
Medians across 360 OB-GYNs in Oklahoma with Dmand AI profiles that report each measure.
Dr. Riddel's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riddel and other OB-GYNs in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen J. Riddel's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Riddel's median patient age at 32, with 98% women.
Dr. Riddel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women98%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Stephen J. Riddel wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Riddel wrote 66 Medicare Part D claims for 23 patients. 89% of them were for generic drugs. CMS names the drug for 35 of them, across 1 drug with 11 or more claims each, at $554 in total drug cost. In 2023, CMS named 97 claims across 2 drugs.
Dr. Riddel's Part D claims by kind of drug, 2024
- Generic59 claims89%
- Brand-name and other7 claims11%
Dr. Riddel'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 972024: 3564%
Drugs named by CMS: 1 in 2024, 2 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
Dr. Stephen J. Riddel scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Riddel for performance year 2024, reported as part of a group.
Dr. Riddel's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Stephen J. Riddel received $762 in industry payments from 2016 to 2023
CMS Open Payments shows 47 general payments to Dr. Riddel from 12 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $342.
General payments to Dr. Riddel by program year, 2016 to 2023
Companies that paid Dr. Riddel the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen J. Riddel graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Riddel graduated from University of Kansas School of Med (KC/Wich/Sal) in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen J. Riddel'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Stephen J. Riddel
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. Stephen J. Riddel's NPI number?
Dr. Stephen J. Riddel's NPI number is 1952364135. It was assigned on April 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen J. Riddel?
Dr. Stephen J. Riddel is an OB-GYN in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Stephen J. Riddel practice?
Dr. Riddel practices at 1401 E Van Buren Ave, Mcalester, OK 74501-4245. Dr. Riddel also practices at 6600 S Yale E Ave, Tulsa, OK 74136. Dr. Riddel's primary practice is Warren Clinics INC in Mcalester, Oklahoma. Dmand AI also links Dr. Riddel to 1 group practice or clinic and 1 medical group.
What is Dr. Stephen J. Riddel's office phone number?
The practice phone on file for Dr. Riddel is (918) 426-0240.
What is Dr. Stephen J. Riddel's medical license number?
Dr. Riddel holds Oklahoma license 16862.
What medical group is Dr. Stephen J. Riddel part of?
Dr. Riddel is linked to Warren Clinic. Dmand AI links Dr. Riddel to 1 more medical group.
Does Dr. Stephen J. Riddel accept Medicare?
Yes. CMS data shows Dr. Riddel billed Medicare for 296 services in 2023.
What is Dr. Stephen J. Riddel's MIPS score?
Dr. Riddel's MIPS final score for performance year 2024 is 0 out of 100, reported as part of a group.
What services does Dr. Stephen J. Riddel bill to Medicare?
In 2023, Dr. Riddel's most billed Medicare services were radiation oncology (77063), radiation oncology (77067) and office visit, established patient (99214).
Where did Dr. Stephen J. Riddel go to medical school?
Dr. Riddel graduated from University of Kansas School of Med (KC/Wich/Sal) in 1985.
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What drugs does Dr. Stephen J. Riddel prescribe most?
In 2024 Medicare Part D data, Dr. Riddel's most prescribed drugs by claims were Estradiol.
Has Dr. Stephen J. Riddel received payments from drug or device companies?
CMS Open Payments shows $762 in general payments to Dr. Riddel from 12 companies from 2016 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Stephen J. Riddel been practicing?
Dr. Riddel graduated from medical school in 1985, 41 years ago.
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