Daniel J. Larsen, OD
- Medicare patients, 2024
- 1,965
- Part D claims, 2024
- 957
- MIPS score, 2024
- 87
- Industry payments
- $41
- Affiliated sites
- 1
- Practice address
- 700 W Kent, Missoula, MT 59801
- Practice phone
- Call (406) 541-3870
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rocky Mountain Eye Surgery Center
Surgery Center - Medicare-Certified · Missoula, Montana
Find Daniel Larsen'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.
Daniel J. Larsen is an optometrist in Missoula, Montana
Daniel Larsen practices at Rocky Mountain Eye Surgery Center in Missoula, Montana.
Daniel Larsen's NPI, 1649265919, was assigned on September 13, 2005. Daniel Larsen holds Montana license 581.
- NPI
- 1649265919NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587798467
- NPI enumeration date
- September 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 541-3870
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel J. Larsen practices at Rocky Mountain Eye Surgery Center in Missoula, Montana
Daniel Larsen's primary practice is Rocky Mountain Eye Surgery Center, at 700 W Kent, Missoula, MT 59801. The practice phone is (406) 541-3870.
- Rocky Mountain Eye Surgery Center700 W Kent, Missoula, MT 59801Phone(406) 541-3870
Source: Dmand AI Affiliation Data
Daniel J. Larsen is affiliated with 1 site of care and 1 medical group
Daniel Larsen's primary practice is Rocky Mountain Eye Surgery Center in Missoula, Montana. Dmand AI also links Daniel Larsen to 1 medical group, named with a free account. Daniel Larsen's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Daniel J. Larsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Larsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rocky Mountain Eye Surgery Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel J. Larsen is one of 197 optometrists in Montana
Optometrist is Daniel Larsen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Daniel Larsen is licensed in Montana.
Specialties and state licenses
- Optometrist, MontanaPrimary
Optometrists near Daniel Larsen
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
Daniel J. Larsen treated 1,965 Medicare patients in 2024, average age 75
CMS counts 1,965 Medicare patients who saw Daniel Larsen in 2024. The largest group is 65 to 74, with 909 patients. 60% of them have high cholesterol, and 59% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Daniel Larsen's median patient age at 77, with 60% women.
Daniel Larsen's Medicare patients by age, 2024
Daniel Larsen's Medicare patients by sex, 2024
- Women1,19161%
- Men77439%
Chronic conditions among Daniel Larsen's Medicare patients, 2024
- High cholesterol60%
- High blood pressure59%
- Arthritis39%
- Mood disorders19%
- Depression17%
- Diabetes17%
- Osteoporosis17%
- Ischemic heart disease16%
Share of Medicare patients with each condition. A patient can have several.
Daniel Larsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Daniel J. Larsen wrote 957 Medicare Part D claims in 2024
In 2024, Daniel Larsen wrote 957 Medicare Part D claims for 323 patients. 51% of them were for generic drugs.
Daniel Larsen's Part D claims by kind of drug, 2024
- Generic488 claims51%
- Brand-name469 claims49%
Drug classes CMS tracks in Daniel Larsen's Part D claims, 2024
- Antibiotics3%31 of 957 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Daniel J. Larsen scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Daniel Larsen for performance year 2024, reported as part of a group. Daniel Larsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Daniel Larsen's MIPS scores, performance year 2024
- 87of 100Final score
- 86.5of 100Quality
- 95of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Daniel J. Larsen received $41 in industry payments in 2025
CMS Open Payments shows 2 general payments to Daniel Larsen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $21.
Companies that paid Daniel Larsen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Daniel J. Larsen'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Daniel J. Larsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel J. Larsen's NPI number?
Daniel J. Larsen's NPI number is 1649265919. It was assigned on September 13, 2005, and it is active in the NPI Registry.
What does Daniel J. Larsen specialize in?
Daniel J. Larsen is an optometrist in Missoula, Montana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Daniel J. Larsen practice?
Daniel Larsen practices at 700 W Kent, Missoula, MT 59801. Daniel Larsen's primary practice is Rocky Mountain Eye Surgery Center in Missoula, Montana. Dmand AI also links Daniel Larsen to 1 medical group.
What is Daniel J. Larsen's office phone number?
The practice phone on file for Daniel Larsen is (406) 541-3870.
What is Daniel J. Larsen's medical license number?
Daniel Larsen holds Montana license 581.
Does Daniel J. Larsen accept Medicare?
Yes. CMS lists Daniel Larsen as accepting Medicare assignment.
What is Daniel J. Larsen's MIPS score?
Daniel Larsen's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Daniel J. Larsen see?
CMS counts 1,965 Medicare patients who saw Daniel Larsen in 2024, with an average age of 75.
Has Daniel J. Larsen received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Daniel Larsen from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Daniel J. Larsen been practicing?
Daniel Larsen graduated from medical school in 1993, 33 years ago.
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