Dr. Leonard Clarkson Alsfeld, MD
- Medicare services, 2024
- 618
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 1,726
- Hospital affiliations
- 5
- Industry payments
- $91,486
- Practice address
- 1516 Jefferson Hwy, New Orleans, LA 70121
- Practice phone
- Call (504) 842-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Leonard Clarkson Alsfeld is an internist in New Orleans, Louisiana
Dr. Alsfeld practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.
Dr. Alsfeld's NPI, 1912346693, was assigned on June 17, 2013. Dr. Alsfeld graduated from Louisiana State University School of Medicine in New Orleans in 2013. Dr. Alsfeld holds South Carolina license LL35778.
- NPI
- 1912346693NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597987669
- NPI enumeration date
- June 17, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (504) 842-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard Clarkson Alsfeld practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana
Dr. Alsfeld's primary practice is Ochsner Medical Center - New Orleans, at 1516 Jefferson Hwy, New Orleans, LA 70121 in Jefferson Parish. The practice phone is (504) 842-3000.
- Ochsner Medical Center - New Orleans1516 Jefferson Hwy, New Orleans, LA 70121 · Jefferson ParishPhone(504) 842-3000
Source: Dmand AI Affiliation Data
Dr. Leonard Clarkson Alsfeld is affiliated with 5 sites of care and 2 medical groups
Dr. Alsfeld's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dr. Alsfeld is also affiliated with Ochsner Lafayette General Medical Center. The medical group on file is Ochsner Health. Dmand AI also links Dr. Alsfeld to 3 more hospitals and 1 medical group, 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. Leonard Clarkson Alsfeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alsfeld practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ochsner Medical Center - New Orleans | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonard Clarkson Alsfeld is one of 1,571 internists in Louisiana
Internal medicine is Dr. Alsfeld's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Alsfeld is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Alsfeld
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. Leonard Clarkson Alsfeld billed Medicare for 618 services in 2024
CMS data shows 618 Medicare services from Dr. Alsfeld across 7 procedure codes in 2024, for 161 Medicare patients. Medicare paid $51,741 for them.
Dr. Alsfeld's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4062024: 55236%
- Other services
- 2023: 02024: 66
Where Dr. Alsfeld's Medicare services took place, 2024
- In an office12220%
- In a facility49680%
Dr. Alsfeld compared with the Louisiana median for internists, 2024
- Dr. Alsfeld
- Louisiana median
- Medicare services
- 618vs 42147% above
- Medicare patients
- 161vs 160Close to median
- Part D claims
- 1,412vs 4083.5 times
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. Alsfeld'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. Alsfeld and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonard Clarkson Alsfeld treated 161 Medicare patients in 2024, average age 70
CMS counts 161 Medicare patients who saw Dr. Alsfeld in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 12% are also on Medicaid. Their average risk score is 3.00, 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. Alsfeld's median patient age at 69, with 50% women.
Dr. Alsfeld's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Alsfeld's Medicare patients by sex, 2024
- Women6943%
- Men9257%
Chronic conditions among Dr. Alsfeld's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Arthritis45%
- Chronic kidney disease39%
- Anxiety31%
- Diabetes30%
- Mood disorders29%
- Heart failure28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alsfeld'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
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonard Clarkson Alsfeld wrote 1,726 Medicare Part D claims in 2024
In 2024, Dr. Alsfeld wrote 1,726 Medicare Part D claims for 222 patients. 73% of them were for generic drugs. CMS names the drug for 1,412 of them, across 41 drugs with 11 or more claims each, at $5,616,400 in total drug cost. In 2023, CMS named 965 claims across 29 drugs.
Dr. Alsfeld's Part D claims by kind of drug, 2024
- Generic1,261 claims73%
- Brand-name465 claims27%
Dr. Alsfeld'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. Alsfeld's Part D claims, 2024
- Opioids3%59 of 1,726 claims
- Antibiotics12%203 of 1,726 claims
- Antipsychotics, patients 65 and over1%11 of 1,726 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: 9652024: 1,41246%
Drugs named by CMS: 41 in 2024, 29 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
Dr. Leonard Clarkson Alsfeld offers telehealth to Medicare patients
Dr. Alsfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Alsfeld as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Leonard Clarkson Alsfeld received $91,486 in industry payments from 2016 to 2025
CMS Open Payments shows 123 general payments to Dr. Alsfeld from 21 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 66% of the total. Kite Pharma, Inc. paid the most, $52,193.
General payments to Dr. Alsfeld by program year, 2016 to 2025
General payments to Dr. Alsfeld by kind, 2016 to 2025
- Speaker and faculty fees$60,21366%
- Consulting fees$19,22821%
- Travel and lodging$7,8739%
- Food and beverage$3,7774%
- Other$3950%
Companies that paid Dr. Alsfeld 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. Leonard Clarkson Alsfeld graduated from Louisiana State University School of Medicine in New Orleans
Dr. Alsfeld graduated from Louisiana State University School of Medicine in New Orleans in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonard Clarkson Alsfeld'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. Leonard Clarkson Alsfeld
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. Leonard Clarkson Alsfeld's NPI number?
Dr. Leonard Clarkson Alsfeld's NPI number is 1912346693. It was assigned on June 17, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard Clarkson Alsfeld?
Dr. Leonard Clarkson Alsfeld is an internist in New Orleans, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Leonard Clarkson Alsfeld practice?
Dr. Alsfeld practices at 1516 Jefferson Hwy, New Orleans, LA 70121. Dr. Alsfeld's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dmand AI also links Dr. Alsfeld to 3 hospitals and 1 medical group.
What is Dr. Leonard Clarkson Alsfeld's office phone number?
The practice phone on file for Dr. Alsfeld is (504) 842-3000.
What is Dr. Leonard Clarkson Alsfeld's medical license number?
Dr. Alsfeld holds South Carolina license LL35778.
Which hospitals is Dr. Leonard Clarkson Alsfeld affiliated with?
Dr. Alsfeld practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana. Dr. Alsfeld is also affiliated with Ochsner Lafayette General Medical Center. Dmand AI links Dr. Alsfeld to 3 more hospitals.
What medical group is Dr. Leonard Clarkson Alsfeld part of?
Dr. Alsfeld is linked to Ochsner Health. Dmand AI links Dr. Alsfeld to 1 more medical group.
Does Dr. Leonard Clarkson Alsfeld accept Medicare?
Yes. CMS data shows Dr. Alsfeld billed Medicare for 618 services in 2024, and Dr. Alsfeld accepts Medicare assignment.
Does Dr. Leonard Clarkson Alsfeld offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Alsfeld as offering telehealth services.
How many Medicare patients does Dr. Leonard Clarkson Alsfeld see?
CMS counts 161 Medicare patients who saw Dr. Alsfeld in 2024, with an average age of 70.
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What services does Dr. Leonard Clarkson Alsfeld bill to Medicare?
In 2024, Dr. Alsfeld's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99232) and office visit, established patient (99214).
Where did Dr. Leonard Clarkson Alsfeld go to medical school?
Dr. Alsfeld graduated from Louisiana State University School of Medicine in New Orleans in 2013.
What drugs does Dr. Leonard Clarkson Alsfeld prescribe most?
In 2024 Medicare Part D data, Dr. Alsfeld's most prescribed drugs by claims were Acyclovir, Levofloxacin and Venclexta.
Has Dr. Leonard Clarkson Alsfeld received payments from drug or device companies?
CMS Open Payments shows $91,486 in general payments to Dr. Alsfeld from 21 companies from 2016 to 2025. The largest total came from Kite Pharma, Inc.
How long has Dr. Leonard Clarkson Alsfeld been practicing?
Dr. Alsfeld graduated from medical school in 2013, 13 years ago.
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