Dr. Lynda M. Nelson Swain, MD
- Medicare services, 2024
- 1,122
- Medicare patients, 2024
- 349
- Part D claims, 2024
- 5,225
- Hospital affiliations
- 2
- Industry payments
- $101
- Practice address
- 10 Woodland Road, Saint Helena, CA 94574
- Practice phone
- Call (707) 963-3611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nelson Swain'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. Lynda M. Nelson Swain is an internist in Saint Helena, California
Dr. Nelson Swain practices at Adventist Health St. Helena in Saint Helena, California, part of Adventist Health.
Dr. Nelson Swain's NPI, 1851479695, was assigned on November 1, 2006. Dr. Nelson Swain graduated from Loma Linda University School of Medicine in 1994. Dr. Nelson Swain holds California license A60924.
- NPI
- 1851479695NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557431491
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 963-3611
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lynda M. Nelson Swain practices at Adventist Health St. Helena in Saint Helena, California
Dr. Nelson Swain's primary practice is Adventist Health St. Helena, at 10 Woodland Road, Saint Helena, CA 94574 in Napa County. The practice phone is (707) 963-3611.
- Adventist Health St. Helena10 Woodland Road, Saint Helena, CA 94574 · Napa CountyPhone(707) 963-3611
Source: Dmand AI Affiliation Data
Dr. Lynda M. Nelson Swain is affiliated with 3 sites of care and 1 medical group
Dr. Nelson Swain's primary practice is Adventist Health St. Helena in Saint Helena, California, part of Adventist Health. Dr. Nelson Swain is also affiliated with Providence Queen of the Valley Medical Center. The medical group on file is Veterans Home of California-Yountville. Dmand AI also links Dr. Nelson Swain to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lynda M. Nelson Swain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nelson Swain practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health St. Helena | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Lynda M. Nelson Swain is one of 16,751 internists in California
Internal medicine is Dr. Nelson Swain's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nelson Swain is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Nelson Swain
Counts of internists 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. Lynda M. Nelson Swain billed Medicare for 1,122 services in 2024
CMS data shows 1,122 Medicare services from Dr. Nelson Swain across 10 procedure codes in 2024, for 349 Medicare patients. Medicare paid $65,780 for them. Every service was in an office.
Dr. Nelson Swain's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4672024: 4553%
- Surgery
- 2023: 4532024: 4256%
- Tests and treatments
- 2023: 1072024: 1043%
- Other services
- 2023: 872024: 937%
- Drugs given in the office
- 2023: 562024: 4520%
Dr. Nelson Swain compared with the California median for internists, 2024
- Dr. Nelson Swain
- California median
- Medicare services
- 1,122vs 3613.1 times
- Medicare patients
- 349vs 1512.3 times
- Part D claims
- 4,667vs 42111.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nelson Swain'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. Nelson Swain?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nelson Swain and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lynda M. Nelson Swain treated 349 Medicare patients in 2024, average age 81
CMS counts 349 Medicare patients who saw Dr. Nelson Swain in 2024. The largest group is 75 to 84, with 157 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 1.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nelson Swain's median patient age at 81, with 21% women.
Dr. Nelson Swain's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nelson Swain's Medicare patients by sex, 2024
- Women4212%
- Men30788%
Chronic conditions among Dr. Nelson Swain's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease48%
- Diabetes42%
- Chronic kidney disease39%
- Mood disorders33%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nelson Swain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women21%
- Men79%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lynda M. Nelson Swain wrote 5,225 Medicare Part D claims in 2024
In 2024, Dr. Nelson Swain wrote 5,225 Medicare Part D claims for 190 patients. 80% of them were for generic drugs. CMS names the drug for 4,667 of them, across 99 drugs with 11 or more claims each, at $421,701 in total drug cost. In 2023, CMS named 3,047 claims across 83 drugs.
Dr. Nelson Swain's Part D claims by kind of drug, 2024
- Generic4,171 claims80%
- Brand-name1,037 claims20%
- Other17 claims0%
Dr. Nelson Swain'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. Nelson Swain's Part D claims, 2024
- Opioids3%179 of 5,225 claims
- Antibiotics2%94 of 5,225 claims
- Antipsychotics, patients 65 and over1%39 of 5,225 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: 3,0472024: 4,66753%
Drugs named by CMS: 99 in 2024, 83 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. Lynda M. Nelson Swain takes part in Medicare
Dr. Nelson Swain 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. Lynda M. Nelson Swain received $101 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Nelson Swain from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $65.
General payments to Dr. Nelson Swain by program year, 2024 to 2025
Companies that paid Dr. Nelson Swain the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lynda M. Nelson Swain graduated from Loma Linda University School of Medicine
Dr. Nelson Swain graduated from Loma Linda University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lynda M. Nelson Swain'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. Lynda M. Nelson Swain
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. Lynda M. Nelson Swain's NPI number?
Dr. Lynda M. Nelson Swain's NPI number is 1851479695. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lynda M. Nelson Swain?
Dr. Lynda M. Nelson Swain is an internist in Saint Helena, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lynda M. Nelson Swain practice?
Dr. Nelson Swain practices at 10 Woodland Road, Saint Helena, CA 94574. Dr. Nelson Swain's primary practice is Adventist Health St. Helena in Saint Helena, California, part of Adventist Health. Dmand AI also links Dr. Nelson Swain to 1 skilled nursing facility.
What is Dr. Lynda M. Nelson Swain's office phone number?
The practice phone on file for Dr. Nelson Swain is (707) 963-3611.
What is Dr. Lynda M. Nelson Swain's medical license number?
Dr. Nelson Swain holds California license A60924.
Which hospitals is Dr. Lynda M. Nelson Swain affiliated with?
Dr. Nelson Swain practices at Adventist Health St. Helena in Saint Helena, California. Dr. Nelson Swain is also affiliated with Providence Queen of the Valley Medical Center.
What medical group is Dr. Lynda M. Nelson Swain part of?
Dr. Nelson Swain is linked to Veterans Home of California-Yountville.
Does Dr. Lynda M. Nelson Swain accept Medicare?
Yes. CMS data shows Dr. Nelson Swain billed Medicare for 1,122 services in 2024, and Dr. Nelson Swain accepts Medicare assignment.
How many Medicare patients does Dr. Lynda M. Nelson Swain see?
CMS counts 349 Medicare patients who saw Dr. Nelson Swain in 2024, with an average age of 81.
What services does Dr. Lynda M. Nelson Swain bill to Medicare?
In 2024, Dr. Nelson Swain's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and medicare service (G0439).
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Where did Dr. Lynda M. Nelson Swain go to medical school?
Dr. Nelson Swain graduated from Loma Linda University School of Medicine in 1994.
What drugs does Dr. Lynda M. Nelson Swain prescribe most?
In 2024 Medicare Part D data, Dr. Nelson Swain's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Tamsulosin HCl.
Has Dr. Lynda M. Nelson Swain received payments from drug or device companies?
CMS Open Payments shows $101 in general payments to Dr. Nelson Swain from 3 companies from 2024 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Lynda M. Nelson Swain been practicing?
Dr. Nelson Swain graduated from medical school in 1994, 32 years ago.
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