Dr. Stephen Koji Sparks, DO
- Medicare services, 2024
- 111
- Medicare patients, 2024
- 99
- Part D claims, 2024
- 81
- Hospital affiliations
- 1
- Industry payments
- $18
- Practice address
- 921 NE 13th Street, Oklahoma City, OK 73104
- Practice phone
- Call (405) 270-0501
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sparks' 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 Koji Sparks is an emergency medicine physician in Oklahoma City, Oklahoma
Dr. Sparks practices at Oklahoma City VA Medical Center in Oklahoma City, Oklahoma, part of Veterans Health Administration.
Dr. Sparks' NPI, 1821274234, was assigned on January 15, 2008. Dr. Sparks holds Oklahoma license 4559.
- NPI
- 1821274234NPI Registry (opens in a new tab)
- NPI enumeration date
- January 15, 2008
- NPI status
- Active
- Practice phone
- (405) 270-0501
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Stephen Koji Sparks practices at Oklahoma City VA Medical Center in Oklahoma City, Oklahoma
Dr. Sparks' primary practice is Oklahoma City VA Medical Center, at 921 NE 13th Street, Oklahoma City, OK 73104 in Oklahoma County. The practice phone is (405) 270-0501.
- Oklahoma City VA Medical Center921 NE 13th Street, Oklahoma City, OK 73104 · Oklahoma CountyPhone(405) 270-0501
Source: Dmand AI Affiliation Data
Dr. Stephen Koji Sparks is affiliated with 5 sites of care and 4 medical groups
Dr. Sparks' primary practice is Oklahoma City VA Medical Center in Oklahoma City, Oklahoma, part of Veterans Health Administration. The medical group on file is Emergency Services Of Oklahoma, PC. Dmand AI also links Dr. Sparks to 4 more group practices and clinics and 3 medical groups, each named with a free account. Dr. Sparks' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Koji Sparks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sparks practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Oklahoma City VA Medical Center | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Koji Sparks is one of 695 emergency medicine physicians in Oklahoma
Emergency medicine is Dr. Sparks' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sparks is licensed in Oklahoma.
Specialties and state licenses
- Emergency medicine, OklahomaPrimary
Emergency medicine physicians near Dr. Sparks
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. Stephen Koji Sparks billed Medicare for 111 services in 2024
CMS data shows 111 Medicare services from Dr. Sparks across 3 procedure codes in 2024, for 99 Medicare patients. Medicare paid $9,352 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sparks' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1882024: 8654%
- Tests and treatments
- 2023: 732024: 2566%
Dr. Sparks compared with the Oklahoma median for emergency medicine physicians, 2024
- Dr. Sparks
- Oklahoma median
- Medicare services
- 111vs 32466% below
- Medicare patients
- 99vs 29466% below
- Part D claims
- 129vs 8847% above
Medians across 669 emergency medicine physicians in Oklahoma with Dmand AI profiles that report each measure.
Dr. Sparks' 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. Sparks?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sparks 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. Stephen Koji Sparks treated 99 Medicare patients in 2024, average age 74
CMS counts 99 Medicare patients who saw Dr. Sparks in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.06, 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. Sparks' median patient age at 48, with 0% women.
Dr. Sparks' Medicare patients by age, 2024
Dr. Sparks' Medicare patients by sex, 2024
- Women6263%
- Men3737%
Chronic conditions among Dr. Sparks' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease54%
- Anxiety52%
- Mood disorders44%
- Diabetes42%
- Depression41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sparks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Koji Sparks wrote 81 Medicare Part D claims in 2024
In 2024, Dr. Sparks wrote 81 Medicare Part D claims for 46 patients. 99% of them were for generic drugs. They cover 7 drugs, with $559 in total drug cost. In 2022, CMS named 256 claims across 7 drugs.
Dr. Sparks' Part D claims by kind of drug, 2024
- Generic80 claims99%
- Brand-name and other1 claims1%
Dr. Sparks' most prescribed drugs by claims, 2023
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. Sparks' Part D claims, 2024
- Antibiotics32%26 of 81 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2562023: 12950%
Drugs named by CMS: 7 in 2023, 7 in 2022.
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
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Dr. Stephen Koji Sparks received $18 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Sparks from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $18.
Companies that paid Dr. Sparks the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen Koji Sparks'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) |
| 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. Stephen Koji Sparks
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 Koji Sparks' NPI number?
Dr. Stephen Koji Sparks' NPI number is 1821274234. It was assigned on January 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Koji Sparks?
Dr. Stephen Koji Sparks is an emergency medicine physician in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Stephen Koji Sparks practice?
Dr. Sparks practices at 921 NE 13th Street, Oklahoma City, OK 73104. Dr. Sparks' primary practice is Oklahoma City VA Medical Center in Oklahoma City, Oklahoma, part of Veterans Health Administration. Dmand AI also links Dr. Sparks to 4 group practices and clinics and 3 medical groups.
What is Dr. Stephen Koji Sparks' office phone number?
The practice phone on file for Dr. Sparks is (405) 270-0501.
What is Dr. Stephen Koji Sparks' medical license number?
Dr. Sparks holds Oklahoma license 4559.
Which hospitals is Dr. Stephen Koji Sparks affiliated with?
Dr. Sparks practices at Oklahoma City VA Medical Center in Oklahoma City, Oklahoma.
What medical group is Dr. Stephen Koji Sparks part of?
Dr. Sparks is linked to Emergency Services Of Oklahoma, PC. Dmand AI links Dr. Sparks to 3 more medical groups.
Does Dr. Stephen Koji Sparks accept Medicare?
Yes. CMS data shows Dr. Sparks billed Medicare for 111 services in 2024.
How many Medicare patients does Dr. Stephen Koji Sparks see?
CMS counts 99 Medicare patients who saw Dr. Sparks in 2024, with an average age of 74.
What services does Dr. Stephen Koji Sparks bill to Medicare?
In 2024, Dr. Sparks' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
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What drugs does Dr. Stephen Koji Sparks prescribe most?
In 2023 Medicare Part D data, Dr. Sparks' most prescribed drugs by claims were Prednisone, Hydrocodone-Acetaminophen and Tizanidine HCl.
Has Dr. Stephen Koji Sparks received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Sparks from 1 company from 2017 to 2017. The largest total came from Stryker Corporation.
How long has Dr. Stephen Koji Sparks been practicing?
Dr. Sparks graduated from medical school in 2006, 20 years ago.
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