Ryan K. Losh, OD
- Medicare patients, 2024
- 241
- Part D claims, 2024
- 93
- Industry payments
- $50
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 2200 SW Gage Blvd, Topeka, KS 66622
- Practice phone
- Call (202) 382-2579
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Colmery-O'Neil VAMC
Topeka, Kansas
Find Ryan Losh'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.
Ryan K. Losh is an optometrist in Topeka, Kansas
Ryan Losh practices at Colmery-O'Neil VAMC in Topeka, Kansas.
Ryan Losh's NPI, 1821309600, was assigned on June 28, 2010. Ryan Losh graduated from University of Missouri St Louis - School of Optometry in 2010. Ryan Losh holds Missouri license 2010020645.
- NPI
- 1821309600NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173656303
- NPI enumeration date
- June 28, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 382-2579
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ryan K. Losh practices at Colmery-O'Neil VAMC in Topeka, Kansas
Ryan Losh's primary practice is Colmery-O'Neil VAMC, at 2200 SW Gage Blvd, Topeka, KS 66622 in Shawnee County. The practice phone is (202) 382-2579.
- Colmery-O'Neil VAMC2200 SW Gage Blvd, Topeka, KS 66622 · Shawnee CountyPhone(202) 382-2579
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ryan K. Losh is affiliated with 3 sites of care and 1 medical group
Ryan Losh's primary practice is Colmery-O'Neil VAMC in Topeka, Kansas. Dmand AI also links Ryan Losh to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ryan K. Losh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Losh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Colmery-O'Neil VAMC | 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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Ryan K. Losh is one of 548 optometrists in Kansas
Optometrist is Ryan Losh's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Ryan Losh is licensed in Missouri.
Specialties and state licenses
- Optometrist, MissouriPrimary
Optometrists near Ryan Losh
Counts of optometrists 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
Ryan K. Losh treated 241 Medicare patients in 2024, average age 74
CMS counts 241 Medicare patients who saw Ryan Losh in 2024. The largest group is 65 to 74, with 115 patients. 74% of them have high blood pressure, and 70% have high cholesterol. 11% are also on Medicaid. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ryan Losh's median patient age at 69, with 59% women.
Ryan Losh's Medicare patients by age, 2024
Ryan Losh's Medicare patients by sex, 2024
- Women13355%
- Men10845%
Chronic conditions among Ryan Losh's Medicare patients, 2024
- High blood pressure74%
- High cholesterol70%
- Arthritis39%
- Diabetes27%
- Ischemic heart disease23%
- Chronic kidney disease18%
- Anxiety15%
- Mood disorders15%
Share of Medicare patients with each condition. A patient can have several.
Ryan Losh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ryan K. Losh wrote 93 Medicare Part D claims in 2024
In 2024, Ryan Losh wrote 93 Medicare Part D claims for 37 patients. 80% of them were for generic drugs.
Ryan Losh's Part D claims by kind of drug, 2024
- Generic74 claims80%
- Brand-name19 claims20%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Ryan K. Losh ranks in the 56th percentile for cataract surgery in Medicare
Ryan Losh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 35 procedures of cataract surgery by Ryan Losh, more than 56% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Ryan Losh ranks in Medicare procedure volume
- Cataract surgery
- 56th percentile35 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Ryan K. Losh received $50 in industry payments in 2025
CMS Open Payments shows 2 general payments to Ryan Losh from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $50.
Companies that paid Ryan Losh the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ryan K. Losh graduated from University of Missouri St Louis - School of Optometry
Ryan Losh graduated from University of Missouri St Louis - School of Optometry in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Ryan K. Losh'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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) |
| 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 Ryan K. Losh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ryan K. Losh's NPI number?
Ryan K. Losh's NPI number is 1821309600. It was assigned on June 28, 2010, and it is active in the NPI Registry.
What does Ryan K. Losh specialize in?
Ryan K. Losh is an optometrist in Topeka, Kansas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Ryan K. Losh practice?
Ryan Losh practices at 2200 SW Gage Blvd, Topeka, KS 66622. Ryan Losh's primary practice is Colmery-O'Neil VAMC in Topeka, Kansas. Dmand AI also links Ryan Losh to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Ryan K. Losh's office phone number?
The practice phone on file for Ryan Losh is (202) 382-2579.
What is Ryan K. Losh's medical license number?
Ryan Losh holds Missouri license 2010020645.
Does Ryan K. Losh accept Medicare?
Yes. CMS lists Ryan Losh as accepting Medicare assignment.
How many Medicare patients does Ryan K. Losh see?
CMS counts 241 Medicare patients who saw Ryan Losh in 2024, with an average age of 74.
Where did Ryan K. Losh go to medical school?
Ryan Losh graduated from University of Missouri St Louis - School of Optometry in 2010.
Has Ryan K. Losh received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Ryan Losh from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Ryan K. Losh been practicing?
Ryan Losh graduated from medical school in 2010, 16 years ago.
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