Dr. Douglas Howard Cowan, MD
- Medicare services, 2024
- 1,787
- Medicare patients, 2024
- 409
- Part D claims, 2024
- 988
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 6815 Frontage Road, Ste B, Merriam, KS 66204
- Practice phone
- Call (913) 318-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascentist Ear Nose And Throat Institute
Surgery Center - Medicare-Certified · Merriam, Kansas
Find Dr. Cowan'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. Douglas Howard Cowan is an otolaryngologist in Overland Park, Kansas
Dr. Cowan practices at Ascentist Ear Nose And Throat Institute in Merriam, Kansas.
Dr. Cowan's NPI, 1497978548, was assigned on April 10, 2007. Dr. Cowan graduated from University of Kansas School of Medicine - Kansas City in 2007. Dr. Cowan's Kansas license number on file is 04-35738.
- NPI
- 1497978548NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365608577
- NPI enumeration date
- April 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (913) 318-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas Howard Cowan practices at Ascentist Ear Nose and Throat Institute in Merriam, Kansas
Dr. Cowan's primary practice is Ascentist Ear Nose and Throat Institute, at 6815 Frontage Road, Ste B, Merriam, KS 66204. The practice phone is (913) 318-3800.
- Ascentist Ear Nose and Throat Institute6815 Frontage Road, Ste B, Merriam, KS 66204Phone(913) 318-3800
Source: Dmand AI Affiliation Data
Dr. Douglas Howard Cowan is affiliated with 6 sites of care and 4 medical groups
Dr. Cowan's primary practice is Ascentist Ear Nose And Throat Institute in Merriam, Kansas. Dr. Cowan is also affiliated with The University of Kansas Hospital. The medical group on file is Ascentist Healthcare. Dmand AI also links Dr. Cowan to 3 more hospitals, 3 medical groups and 1 group practice or clinic, 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. Douglas Howard Cowan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cowan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascentist Ear Nose And Throat Institute | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas Howard Cowan is one of 76 otolaryngologists in Kansas
Otolaryngology is Dr. Cowan's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Cowan is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Cowan's licenses on file in 2 states: Kansas and Missouri.
Specialties and state licenses
- Otolaryngology, KansasPrimary
- Missouri license
Clinical focus
Dmand AI lists acute sinusitis, chronic ear infection, chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, endoscopic sinus surgery, hearing loss and impairment and larynx and vocal cord disease among the conditions Dr. Cowan treats.
Otolaryngologists near Dr. Cowan
Counts of otolaryngologists 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. Douglas Howard Cowan billed Medicare for 1,787 services in 2024
CMS data shows 1,787 Medicare services from Dr. Cowan across 24 procedure codes in 2024, for 409 Medicare patients. Medicare paid $273,172 for them.
Dr. Cowan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 7922024: 65018%
- Office and hospital visits
- 2023: 6092024: 5647%
- Tests and treatments
- 2023: 2782024: 44058%
- Imaging
- 2023: 1572024: 13315%
Where Dr. Cowan's Medicare services took place, 2024
- In an office1,53886%
- In a facility24914%
Dr. Cowan compared with the Kansas median for otolaryngologists, 2024
- Dr. Cowan
- Kansas median
- Medicare services
- 1,787vs 95986% above
- Medicare patients
- 409vs 427Close to median
- Part D claims
- 881vs 2983.0 times
Medians across 78 otolaryngologists in Kansas with Dmand AI profiles that report each measure.
Dr. Cowan'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. Cowan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cowan and other otolaryngologists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas Howard Cowan treated 409 Medicare patients in 2024, average age 73
CMS counts 409 Medicare patients who saw Dr. Cowan in 2024. The largest group is 65 to 74, with 221 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cowan's median patient age at 39, with 51% women.
Dr. Cowan's Medicare patients by age, 2024
Dr. Cowan's Medicare patients by sex, 2024
- Women25462%
- Men15538%
Chronic conditions among Dr. Cowan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis52%
- Ischemic heart disease28%
- Anxiety24%
- Diabetes22%
- Mood disorders22%
- Asthma21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cowan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas Howard Cowan wrote 988 Medicare Part D claims in 2024
In 2024, Dr. Cowan wrote 988 Medicare Part D claims for 381 patients. 98% of them were for generic drugs. CMS names the drug for 881 of them, across 15 drugs with 11 or more claims each, at $7,892 in total drug cost. In 2023, CMS named 922 claims across 17 drugs.
Dr. Cowan's Part D claims by kind of drug, 2024
- Generic968 claims98%
- Brand-name20 claims2%
Dr. Cowan'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. Cowan's Part D claims, 2024
- Opioids2%20 of 988 claims
- Antibiotics37%368 of 988 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: 9222024: 8814%
Drugs named by CMS: 15 in 2024, 17 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. Douglas Howard Cowan takes part in Medicare
Dr. Cowan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Douglas Howard Cowan has 1 publication on record
Dmand AI links 1 paper to Dr. Cowan.
Recent publications by Dr. Cowan
See who Dr. Cowan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cowan works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Douglas Howard Cowan received $88,242 in industry payments from 2016 to 2025
CMS Open Payments shows 793 general payments to Dr. Cowan from 67 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 50% of the total. Medtronic USA, Inc. paid the most, $56,228.
General payments to Dr. Cowan by program year, 2016 to 2025
General payments to Dr. Cowan by kind, 2016 to 2025
- Speaker and faculty fees$44,27250%
- Food and beverage$33,07737%
- Travel and lodging$5,2936%
- Consulting fees$4,3255%
- Education$1,2751%
Companies that paid Dr. Cowan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas Howard Cowan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Cowan, most recently CMS Stage 1 EHR in 2014.
Awards and honors for Dr. Cowan
- 2014
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Douglas Howard Cowan graduated from University of Kansas School of Medicine - Kansas City
Dr. Cowan graduated from University of Kansas School of Medicine - Kansas City in 2007.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Douglas Howard Cowan accepts plans from 16 insurance carriers
Dr. Cowan is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Elevance
- HCSC
- Medica
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Cowan accepts, by number of carriers
- PPO12
- HMO9
- Medicare7
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Douglas Howard Cowan'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Douglas Howard Cowan
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. Douglas Howard Cowan's NPI number?
Dr. Douglas Howard Cowan's NPI number is 1497978548. It was assigned on April 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas Howard Cowan?
Dr. Douglas Howard Cowan is an otolaryngologist in Overland Park, Kansas. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Douglas Howard Cowan practice?
Dr. Cowan practices at 6815 Frontage Road, Ste B, Merriam, KS 66204. Dr. Cowan's primary practice is Ascentist Ear Nose And Throat Institute in Merriam, Kansas. Dmand AI also links Dr. Cowan to 3 hospitals, 3 medical groups and 1 group practice or clinic.
What is Dr. Douglas Howard Cowan's office phone number?
The practice phone on file for Dr. Cowan is (913) 318-3800.
What is Dr. Douglas Howard Cowan's medical license number?
Dr. Cowan's Kansas license number on file is 04-35738, one of the licenses on file in 2 states.
Which states has Dr. Douglas Howard Cowan been licensed in?
Dmand AI has state licenses on file for Dr. Cowan in Kansas (2012 to 2025) and Missouri (2012 to 2026).
Which hospitals is Dr. Douglas Howard Cowan affiliated with?
Dr. Cowan is affiliated with The University of Kansas Hospital. Dmand AI links Dr. Cowan to 3 more hospitals.
What medical group is Dr. Douglas Howard Cowan part of?
Dr. Cowan is linked to Ascentist Healthcare. Dmand AI links Dr. Cowan to 3 more medical groups.
Does Dr. Douglas Howard Cowan accept Medicare?
Yes. CMS data shows Dr. Cowan billed Medicare for 1,787 services in 2024, and Dr. Cowan accepts Medicare assignment.
How many Medicare patients does Dr. Douglas Howard Cowan see?
CMS counts 409 Medicare patients who saw Dr. Cowan in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. Douglas Howard Cowan board certified?
Yes. Dr. Cowan is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
What services does Dr. Douglas Howard Cowan bill to Medicare?
In 2024, Dr. Cowan's most billed Medicare services were allergy test or treatment (95165), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Douglas Howard Cowan go to medical school?
Dr. Cowan graduated from University of Kansas School of Medicine - Kansas City in 2007.
What drugs does Dr. Douglas Howard Cowan prescribe most?
In 2024 Medicare Part D data, Dr. Cowan's most prescribed drugs by claims were Mupirocin, Azithromycin and Doxycycline Hyclate.
Has Dr. Douglas Howard Cowan received payments from drug or device companies?
CMS Open Payments shows $88,242 in general payments to Dr. Cowan from 67 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.
How long has Dr. Douglas Howard Cowan been practicing?
Dr. Cowan graduated from medical school in 2007, 19 years ago.
Does Dr. Douglas Howard Cowan do research?
Dmand AI links 1 publication to Dr. Cowan.
What insurance does Dr. Douglas Howard Cowan accept?
Dr. Cowan is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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