Dr. Darwin D. Olson, MD
- Medicare services, 2024
- 4,348
- Medicare patients, 2024
- 274
- Part D claims, 2024
- 14,433
- Hospital affiliations
- 1
- Industry payments
- $119
- Practice address
- 12451 East 100th Street North, Owasso, OK 74055
- Practice phone
- Call (918) 274-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Olson's professional email, personal email and mobile number
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Dr. Darwin D. Olson is a family medicine physician in Owasso, Oklahoma
Dr. Olson practices at Ascension St. John Owasso in Owasso, Oklahoma, part of Ascension Health Alliance.
Dr. Olson's NPI, 1982668794, was assigned on April 17, 2006. Dr. Olson holds Oklahoma license 14337.
- NPI
- 1982668794NPI Registry (opens in a new tab)
- NPI enumeration date
- April 17, 2006
- NPI status
- Active
- Practice phone
- (918) 274-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Darwin D. Olson practices at 2 locations in Owasso, Oklahoma
Dr. Olson's primary practice is Ascension St. John Owasso, at 12451 East 100th Street North, Owasso, OK 74055 in Tulsa County. The practice phone is (918) 274-5100. Dr. Olson also practices at Ascension St John Owasso Hospital, 12455 E 100th N St, Owasso, OK 74055.
- Ascension St. John OwassoPrimary12451 East 100th Street North, Owasso, OK 74055 · Tulsa CountyPhone(918) 274-5100
- Ascension St John Owasso Hospital12455 E 100th N St, Owasso, OK 74055 · Tulsa CountyPhone(918) 274-5100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Darwin D. Olson is affiliated with 3 sites of care and 2 medical groups
Dr. Olson's primary practice is Ascension St. John Owasso in Owasso, Oklahoma, part of Ascension Health Alliance. The medical group on file is VIPcare. Dmand AI also links Dr. Olson to 2 more group practices and clinics and 1 medical group, 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. Darwin D. Olson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. John Owasso | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Darwin D. Olson is one of 1,964 family medicine physicians in Oklahoma
Family medicine is Dr. Olson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Olson is licensed in Oklahoma.
Specialties and state licenses
- Family medicine, OklahomaPrimary
Family medicine physicians near Dr. Olson
Counts of family 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. Darwin D. Olson billed Medicare for 4,348 services in 2024
CMS data shows 4,348 Medicare services from Dr. Olson across 36 procedure codes in 2024, for 274 Medicare patients. Medicare paid $109,356 for them. Every service was in an office.
Dr. Olson's Medicare services by type, 2024
- Lab and pathology2,254
- Office and hospital visits798
- Other services428
- Surgery356
- Drugs given in the office286
- Tests and treatments194
- Imaging32
Dr. Olson compared with the Oklahoma median for family medicine physicians, 2024
- Dr. Olson
- Oklahoma median
- Medicare services
- 4,348vs 4958.8 times
- Medicare patients
- 274vs 17457% above
- Part D claims
- 13,593vs 1,19711.4 times
Medians across 1,938 family medicine physicians in Oklahoma with Dmand AI profiles that report each measure.
Dr. Olson'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darwin D. Olson treated 274 Medicare patients in 2024, average age 76
CMS counts 274 Medicare patients who saw Dr. Olson in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Olson's median patient age at 73, with 50% women.
Dr. Olson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Olson's Medicare patients by sex, 2024
- Women16560%
- Men10940%
Chronic conditions among Dr. Olson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes32%
- Chronic kidney disease26%
- Depression24%
- Mood disorders24%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Olson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Darwin D. Olson wrote 14,433 Medicare Part D claims in 2024
In 2024, Dr. Olson wrote 14,433 Medicare Part D claims for 857 patients. 84% of them were for generic drugs. CMS names the drug for 13,593 of them, across 177 drugs with 11 or more claims each, at $1,168,392 in total drug cost.
Dr. Olson's Part D claims by kind of drug, 2024
- Generic12,177 claims84%
- Brand-name2,141 claims15%
- Other115 claims1%
Dr. Olson'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. Olson's Part D claims, 2024
- Opioids2%332 of 14,433 claims
- Antibiotics3%473 of 14,433 claims
- Antipsychotics, patients 65 and over0%20 of 14,433 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Darwin D. Olson received $119 in industry payments from 2024 to 2025
CMS Open Payments shows 6 general payments to Dr. Olson from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $33.
General payments to Dr. Olson by program year, 2024 to 2025
Companies that paid Dr. Olson the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Darwin D. Olson'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 DataDmand AI Practice 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. Darwin D. Olson
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. Darwin D. Olson's NPI number?
Dr. Darwin D. Olson's NPI number is 1982668794. It was assigned on April 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Darwin D. Olson?
Dr. Darwin D. Olson is a family medicine physician in Owasso, Oklahoma. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Darwin D. Olson practice?
Dr. Olson practices at 12451 East 100th Street North, Owasso, OK 74055. Dr. Olson also practices at 12455 E 100th N St, Owasso, OK 74055. Dr. Olson's primary practice is Ascension St. John Owasso in Owasso, Oklahoma, part of Ascension Health Alliance. Dmand AI also links Dr. Olson to 2 group practices and clinics and 1 medical group.
What is Dr. Darwin D. Olson's office phone number?
The practice phone on file for Dr. Olson is (918) 274-5100.
What is Dr. Darwin D. Olson's medical license number?
Dr. Olson holds Oklahoma license 14337.
Which hospitals is Dr. Darwin D. Olson affiliated with?
Dr. Olson practices at Ascension St. John Owasso in Owasso, Oklahoma.
What medical group is Dr. Darwin D. Olson part of?
Dr. Olson is linked to VIPcare. Dmand AI links Dr. Olson to 1 more medical group.
Does Dr. Darwin D. Olson accept Medicare?
Yes. CMS data shows Dr. Olson billed Medicare for 4,348 services in 2024.
How many Medicare patients does Dr. Darwin D. Olson see?
CMS counts 274 Medicare patients who saw Dr. Olson in 2024, with an average age of 76.
What services does Dr. Darwin D. Olson bill to Medicare?
In 2024, Dr. Olson's most billed Medicare services were lab and pathology test (80053), office visit, established patient (99214) and lab and pathology test (80061).
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What drugs does Dr. Darwin D. Olson prescribe most?
In 2024 Medicare Part D data, Dr. Olson's most prescribed drugs by claims were Rosuvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Darwin D. Olson received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Dr. Olson from 5 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Darwin D. Olson been practicing?
Dr. Olson graduated from medical school in 1981, 45 years ago.
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