Dr. Daniel Hartman Johnson, MD
- Medicare services, 2024
- 645
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 452
- Hospital affiliations
- 5
- Industry payments
- $329,162
- 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
Find Dr. Johnson'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. Daniel Hartman Johnson is a medical oncologist in New Orleans, Louisiana
Dr. Johnson practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.
Dr. Johnson's NPI, 1841565173, was assigned on March 20, 2012. Dr. Johnson graduated from Louisiana State University School of Medicine in New Orleans in 2012. Dr. Johnson holds Louisiana license 312654.
- NPI
- 1841565173NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800014044
- NPI enumeration date
- March 20, 2012
- 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
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Hartman Johnson practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana
Dr. Johnson'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. Daniel Hartman Johnson is affiliated with 5 sites of care and 1 medical group
Dr. Johnson's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dr. Johnson is also affiliated with Ochsner Medical Center - Baton Rouge. The medical group on file is Ochsner Health. Dmand AI also links Dr. Johnson to 3 more hospitals, 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. Daniel Hartman Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson 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 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 Ochsner Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Daniel Hartman Johnson is one of 24 medical oncologists in Louisiana
Medical oncology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Johnson is licensed in Louisiana.
Specialties and state licenses
- Medical oncology, LouisianaPrimary
Medical oncologists near Dr. Johnson
Counts of medical oncologists 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. Daniel Hartman Johnson billed Medicare for 645 services in 2024
CMS data shows 645 Medicare services from Dr. Johnson across 6 procedure codes in 2024, for 152 Medicare patients. Medicare paid $43,308 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3772024: 4109%
- Other services
- 2023: 02024: 235
Where Dr. Johnson's Medicare services took place, 2024
- In an office10416%
- In a facility54184%
Dr. Johnson compared with the Louisiana median for medical oncologists, 2024
- Dr. Johnson
- Louisiana median
- Medicare services
- 645vs 56315% above
- Medicare patients
- 152vs 24137% below
- Part D claims
- 257vs 30115% below
Medians across 25 medical oncologists in Louisiana with Dmand AI profiles that report each measure.
Dr. Johnson'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. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other medical oncologists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel Hartman Johnson treated 152 Medicare patients in 2024, average age 73
CMS counts 152 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 12% are also on Medicaid. Their average risk score is 3.17, 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. Johnson's median patient age at 73, with 42% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women5335%
- Men9965%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Cancer47%
- Arthritis38%
- Chronic kidney disease37%
- COPD33%
- Diabetes32%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Hartman Johnson wrote 452 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 452 Medicare Part D claims for 133 patients. 85% of them were for generic drugs. CMS names the drug for 257 of them, across 14 drugs with 11 or more claims each, at $298,468 in total drug cost. In 2023, CMS named 286 claims across 15 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic385 claims85%
- Brand-name67 claims15%
Dr. Johnson'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. Johnson's Part D claims, 2024
- Opioids7%33 of 452 claims
- Antipsychotics, patients 65 and over3%14 of 452 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: 2862024: 25710%
Drugs named by CMS: 14 in 2024, 15 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. Daniel Hartman Johnson offers telehealth to Medicare patients
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johnson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Daniel Hartman Johnson received $329,162 in industry payments from 2017 to 2025
CMS Open Payments shows 230 general payments to Dr. Johnson from 22 drug and device companies from 2017 to 2025. Speaker and faculty fees make up the largest share, 84% of the total. Bristol-Myers Squibb Company paid the most, $284,252.
General payments to Dr. Johnson by program year, 2017 to 2025
General payments to Dr. Johnson by kind, 2017 to 2025
- Speaker and faculty fees$277,62184%
- Consulting fees$28,0579%
- Travel and lodging$18,2506%
- Food and beverage$5,0902%
- Education$1450%
Companies that paid Dr. Johnson the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Hartman Johnson graduated from Louisiana State University School of Medicine in New Orleans
Dr. Johnson graduated from Louisiana State University School of Medicine in New Orleans in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel Hartman Johnson'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. Daniel Hartman Johnson
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. Daniel Hartman Johnson's NPI number?
Dr. Daniel Hartman Johnson's NPI number is 1841565173. It was assigned on March 20, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Hartman Johnson?
Dr. Daniel Hartman Johnson is a medical oncologist in New Orleans, Louisiana. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Daniel Hartman Johnson practice?
Dr. Johnson practices at 1516 Jefferson Hwy, New Orleans, LA 70121. Dr. Johnson's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dmand AI also links Dr. Johnson to 3 hospitals.
What is Dr. Daniel Hartman Johnson's office phone number?
The practice phone on file for Dr. Johnson is (504) 842-3000.
What is Dr. Daniel Hartman Johnson's medical license number?
Dr. Johnson holds Louisiana license 312654.
Which hospitals is Dr. Daniel Hartman Johnson affiliated with?
Dr. Johnson practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana. Dr. Johnson is also affiliated with Ochsner Medical Center - Baton Rouge. Dmand AI links Dr. Johnson to 3 more hospitals.
What medical group is Dr. Daniel Hartman Johnson part of?
Dr. Johnson is linked to Ochsner Health.
Does Dr. Daniel Hartman Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 645 services in 2024, and Dr. Johnson accepts Medicare assignment.
Does Dr. Daniel Hartman Johnson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Johnson as offering telehealth services.
How many Medicare patients does Dr. Daniel Hartman Johnson see?
CMS counts 152 Medicare patients who saw Dr. Johnson in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Daniel Hartman Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. Daniel Hartman Johnson go to medical school?
Dr. Johnson graduated from Louisiana State University School of Medicine in New Orleans in 2012.
What drugs does Dr. Daniel Hartman Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Gabapentin, Levothyroxine Sodium and Prednisone.
Has Dr. Daniel Hartman Johnson received payments from drug or device companies?
CMS Open Payments shows $329,162 in general payments to Dr. Johnson from 22 companies from 2017 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Daniel Hartman Johnson been practicing?
Dr. Johnson graduated from medical school in 2012, 14 years ago.
Selling to medical oncology practices?
See medical oncologists in Louisiana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card