Dr. David Loring Nash, MD
- Medicare services, 2024
- 99
- Medicare patients, 2024
- 76
- Part D claims, 2024
- 32
- Hospital affiliations
- 1
- Industry payments
- $234
- Practice address
- 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601
- Practice phone
- Call (608) 775-3176
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen Lutheran Medical Center - Dialysis
Dialysis Center - Hospital-Based · La Crosse, Wisconsin
Find Dr. Nash's professional email, personal email and mobile number
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Dr. David Loring Nash is an ophthalmologist in La Crosse, Wisconsin
Dr. Nash practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin.
Dr. Nash's NPI, 1306135231, was assigned on March 31, 2011. Dr. Nash graduated from Creighton University School of Medicine in 2011. Dr. Nash holds Minnesota license 58988.
- NPI
- 1306135231NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456664762
- NPI enumeration date
- March 31, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 775-3176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Loring Nash practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin
Dr. Nash's primary practice is Gundersen Lutheran Medical Center - Dialysis, at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 775-3176.
- Gundersen Lutheran Medical Center - Dialysis1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 · La Crosse CountyPhone(608) 775-3176
Source: Dmand AI Affiliation Data
Dr. David Loring Nash is affiliated with 3 sites of care and 2 medical groups
Dr. Nash's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dr. Nash is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Dr. Nash to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Nash's employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Loring Nash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nash practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen Lutheran Medical Center - Dialysis | 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. David Loring Nash is one of 328 ophthalmologists in Wisconsin
Ophthalmology is Dr. Nash's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Nash's licenses on file in 2 states: Minnesota and Wisconsin.
Specialties and state licenses
- Ophthalmology, MinnesotaPrimary
- Wisconsin license
Ophthalmologists near Dr. Nash
Counts of ophthalmologists 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. David Loring Nash billed Medicare for 99 services in 2024
CMS data shows 99 Medicare services from Dr. Nash across 4 procedure codes in 2024, for 76 Medicare patients. Medicare paid $4,308 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 492024: 6124%
- Office and hospital visits
- 2023: 282024: 3836%
Dr. Nash compared with the Wisconsin median for ophthalmologists, 2024
- Dr. Nash
- Wisconsin median
- Medicare services
- 99vs 1,16291% below
- Medicare patients
- 76vs 45083% below
- Part D claims
- 11vs 61598% below
Medians across 346 ophthalmologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Nash'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nash and other ophthalmologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Loring Nash treated 76 Medicare patients in 2024, average age 70
CMS counts 76 Medicare patients who saw Dr. Nash in 2024. The largest group is 65 to 74, with 30 patients. 57% of them have high blood pressure, and 55% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nash's median patient age at 8, with 51% women.
Dr. Nash's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nash's Medicare patients by sex, 2024
- Women4559%
- Men3141%
Chronic conditions among Dr. Nash's Medicare patients, 2024
- High blood pressure57%
- High cholesterol55%
- Arthritis38%
- Anxiety30%
- Ischemic heart disease25%
- Mood disorders22%
- Depression21%
- Diabetes21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
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. David Loring Nash wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Nash wrote 32 Medicare Part D claims for 26 patients. 56% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $1,070 in total drug cost. In 2019, CMS named 29 claims across 2 drugs.
Dr. Nash's Part D claims by kind of drug, 2024
- Generic18 claims56%
- Brand-name and other14 claims44%
Dr. Nash's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 292021: 1162%
Drugs named by CMS: 1 in 2021, 2 in 2019.
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. David Loring Nash takes part in Medicare
Dr. Nash accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Loring Nash received $234 in industry payments from 2021 to 2024
CMS Open Payments shows 5 general payments to Dr. Nash from 3 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Horizon Pharma plc paid the most, $110.
General payments to Dr. Nash by program year, 2021 to 2024
Companies that paid Dr. Nash the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Loring Nash graduated from Creighton University School of Medicine
Dr. Nash graduated from Creighton University School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Loring Nash'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) |
| 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 Dr. David Loring Nash
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. David Loring Nash's NPI number?
Dr. David Loring Nash's NPI number is 1306135231. It was assigned on March 31, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. David Loring Nash?
Dr. David Loring Nash is an ophthalmologist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. David Loring Nash practice?
Dr. Nash practices at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601. Dr. Nash's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dmand AI also links Dr. Nash to 1 group practice or clinic and 1 medical group.
What is Dr. David Loring Nash's office phone number?
The practice phone on file for Dr. Nash is (608) 775-3176.
What is Dr. David Loring Nash's medical license number?
Dr. Nash holds Minnesota license 58988, one of the licenses on file in 2 states.
Which states has Dr. David Loring Nash been licensed in?
Dmand AI has state licenses on file for Dr. Nash in Minnesota and Wisconsin.
Which hospitals is Dr. David Loring Nash affiliated with?
Dr. Nash is affiliated with Gundersen Lutheran Medical Center.
What medical group is Dr. David Loring Nash part of?
Dr. Nash is linked to Gundersen Lutheran Medical Center. Dmand AI links Dr. Nash to 1 more medical group.
Does Dr. David Loring Nash accept Medicare?
Yes. CMS data shows Dr. Nash billed Medicare for 99 services in 2024, and Dr. Nash accepts Medicare assignment.
How many Medicare patients does Dr. David Loring Nash see?
CMS counts 76 Medicare patients who saw Dr. Nash in 2024, with an average age of 70.
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What services does Dr. David Loring Nash bill to Medicare?
In 2024, Dr. Nash's most billed Medicare services were office visit, established patient (99213), eye exam or test (92060) and eye exam or test (92014).
Where did Dr. David Loring Nash go to medical school?
Dr. Nash graduated from Creighton University School of Medicine in 2011.
What drugs does Dr. David Loring Nash prescribe most?
In 2021 Medicare Part D data, Dr. Nash's most prescribed drugs by claims were Timolol Maleate.
Has Dr. David Loring Nash received payments from drug or device companies?
CMS Open Payments shows $234 in general payments to Dr. Nash from 3 companies from 2021 to 2024. The largest total came from Horizon Pharma plc.
How long has Dr. David Loring Nash been practicing?
Dr. Nash graduated from medical school in 2011, 15 years ago.
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