Dr. Natalie Ketsia Alphonse Sullivan, MD
- Medicare services, 2024
- 8,315
- Medicare patients, 2024
- 383
- Part D claims, 2024
- 273
- MIPS score, 2024
- 75
- Hospital affiliations
- 3
- Practice address
- 3330 Masonic Drive, Alexandria, LA 71301
- Practice phone
- Call (318) 487-1122
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Alphonse Sullivan'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. Natalie Ketsia Alphonse Sullivan is a radiation oncologist in Alexandria, Louisiana
Dr. Alphonse Sullivan practices at CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana, part of CHRISTUS Health.
Dr. Alphonse Sullivan's NPI, 1003255761, was assigned on June 17, 2013. Dr. Alphonse Sullivan graduated from Wake Forest University School of Medicine in 2013. Dr. Alphonse Sullivan holds Florida license ME148133.
- NPI
- 1003255761NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961816137
- NPI enumeration date
- June 17, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (318) 487-1122
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Natalie Ketsia Alphonse Sullivan practices at CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana
Dr. Alphonse Sullivan's primary practice is CHRISTUS St. Frances Cabrini Hospital, at 3330 Masonic Drive, Alexandria, LA 71301 in Rapides Parish. The practice phone is (318) 487-1122.
- CHRISTUS St. Frances Cabrini Hospital3330 Masonic Drive, Alexandria, LA 71301 · Rapides ParishPhone(318) 487-1122
Source: Dmand AI Affiliation Data
Dr. Natalie Ketsia Alphonse Sullivan is affiliated with 6 sites of care and 3 medical groups
Dr. Alphonse Sullivan's primary practice is CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana, part of CHRISTUS Health. Dr. Alphonse Sullivan is also affiliated with Rapides Regional Medical Center. The medical group on file is CHRISTUS Trinity Clinic. Dmand AI also links Dr. Alphonse Sullivan to 1 more hospital, 2 medical groups, 1 physician office, 1 home health agency and 1 hospice, 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. Natalie Ketsia Alphonse Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alphonse Sullivan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHRISTUS St. Frances Cabrini Hospital | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Natalie Ketsia Alphonse Sullivan is one of 51 radiation oncologists in Louisiana
Radiation oncology is Dr. Alphonse Sullivan's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Alphonse Sullivan's licenses on file in 2 states: Florida and North Carolina.
Specialties and state licenses
- Radiation oncology, FloridaPrimary
- Student in an organized health care education/training program, North Carolina
Radiation oncologists near Dr. Alphonse Sullivan
Counts of radiation 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. Natalie Ketsia Alphonse Sullivan billed Medicare for 8,315 services in 2024
CMS data shows 8,315 Medicare services from Dr. Alphonse Sullivan across 26 procedure codes in 2024, for 383 Medicare patients. Medicare paid $1,347,623 for them. Every service was in an office.
Dr. Alphonse Sullivan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 6,0492024: 4,44427%
- Other services
- 2023: 4,7012024: 3,58424%
- Office and hospital visits
- 2023: 5172024: 28744%
Dr. Alphonse Sullivan compared with the Louisiana median for radiation oncologists, 2024
- Dr. Alphonse Sullivan
- Louisiana median
- Medicare services
- 8,315vs 1,7244.8 times
- Medicare patients
- 383vs 1702.3 times
- Part D claims
- 132vs 9047% above
Medians across 56 radiation oncologists in Louisiana with Dmand AI profiles that report each measure.
Dr. Alphonse Sullivan'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. Alphonse Sullivan and other radiation oncologists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Natalie Ketsia Alphonse Sullivan treated 383 Medicare patients in 2024, average age 77
CMS counts 383 Medicare patients who saw Dr. Alphonse Sullivan in 2024. The largest group is 75 to 84, with 184 patients. 75% of them have cancer, and 75% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.92, 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. Alphonse Sullivan's median patient age at 71, with 56% women.
Dr. Alphonse Sullivan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Alphonse Sullivan's Medicare patients by sex, 2024
- Women17746%
- Men20654%
Chronic conditions among Dr. Alphonse Sullivan's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease38%
- Chronic kidney disease31%
- Diabetes27%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alphonse Sullivan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Natalie Ketsia Alphonse Sullivan wrote 273 Medicare Part D claims in 2024
In 2024, Dr. Alphonse Sullivan wrote 273 Medicare Part D claims for 129 patients. 82% of them were for generic drugs. CMS names the drug for 132 of them, across 5 drugs with 11 or more claims each, at $48,180 in total drug cost. In 2023, CMS named 203 claims across 10 drugs.
Dr. Alphonse Sullivan's Part D claims by kind of drug, 2024
- Generic223 claims82%
- Brand-name50 claims18%
Dr. Alphonse Sullivan'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. Alphonse Sullivan's Part D claims, 2024
- Opioids12%32 of 273 claims
- Antibiotics5%15 of 273 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: 2032024: 13235%
Drugs named by CMS: 5 in 2024, 10 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. Natalie Ketsia Alphonse Sullivan scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Alphonse Sullivan for performance year 2024, reported individually. Dr. Alphonse Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
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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Dr. Natalie Ketsia Alphonse Sullivan received $515 in industry payments from 2022 to 2025
CMS Open Payments shows 22 general payments to Dr. Alphonse Sullivan from 14 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Progenics Pharmaceuticals, Inc. paid the most, $69.
General payments to Dr. Alphonse Sullivan by program year, 2022 to 2025
Companies that paid Dr. Alphonse Sullivan the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Natalie Ketsia Alphonse Sullivan graduated from Wake Forest University School of Medicine
Dr. Alphonse Sullivan graduated from Wake Forest University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Natalie Ketsia Alphonse Sullivan'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)Clinician Public Reporting: Overall MIPS Performance (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. Natalie Ketsia Alphonse Sullivan
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. Natalie Ketsia Alphonse Sullivan's NPI number?
Dr. Natalie Ketsia Alphonse Sullivan's NPI number is 1003255761. It was assigned on June 17, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Natalie Ketsia Alphonse Sullivan?
Dr. Natalie Ketsia Alphonse Sullivan is a radiation oncologist in Alexandria, Louisiana. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Natalie Ketsia Alphonse Sullivan practice?
Dr. Alphonse Sullivan practices at 3330 Masonic Drive, Alexandria, LA 71301. Dr. Alphonse Sullivan's primary practice is CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana, part of CHRISTUS Health. Dmand AI also links Dr. Alphonse Sullivan to 1 hospital, 2 medical groups, 1 physician office, 1 home health agency and 1 hospice.
What is Dr. Natalie Ketsia Alphonse Sullivan's office phone number?
The practice phone on file for Dr. Alphonse Sullivan is (318) 487-1122.
What is Dr. Natalie Ketsia Alphonse Sullivan's medical license number?
Dr. Alphonse Sullivan holds Florida license ME148133, one of the licenses on file in 2 states.
Which states has Dr. Natalie Ketsia Alphonse Sullivan been licensed in?
Dmand AI has state licenses on file for Dr. Alphonse Sullivan in Florida and North Carolina.
Which hospitals is Dr. Natalie Ketsia Alphonse Sullivan affiliated with?
Dr. Alphonse Sullivan practices at CHRISTUS St. Frances Cabrini Hospital in Alexandria, Louisiana. Dr. Alphonse Sullivan is also affiliated with Rapides Regional Medical Center. Dmand AI links Dr. Alphonse Sullivan to 1 more hospital.
What medical group is Dr. Natalie Ketsia Alphonse Sullivan part of?
Dr. Alphonse Sullivan is linked to CHRISTUS Trinity Clinic. Dmand AI links Dr. Alphonse Sullivan to 2 more medical groups.
Does Dr. Natalie Ketsia Alphonse Sullivan accept Medicare?
Yes. CMS data shows Dr. Alphonse Sullivan billed Medicare for 8,315 services in 2024, and Dr. Alphonse Sullivan accepts Medicare assignment.
What is Dr. Natalie Ketsia Alphonse Sullivan's MIPS score?
Dr. Alphonse Sullivan's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Natalie Ketsia Alphonse Sullivan see?
CMS counts 383 Medicare patients who saw Dr. Alphonse Sullivan in 2024, with an average age of 77.
What services does Dr. Natalie Ketsia Alphonse Sullivan bill to Medicare?
In 2024, Dr. Alphonse Sullivan's most billed Medicare services were medicare service (G6015), radiation oncology (77014) and radiation oncology (77300).
Where did Dr. Natalie Ketsia Alphonse Sullivan go to medical school?
Dr. Alphonse Sullivan graduated from Wake Forest University School of Medicine in 2013.
What drugs does Dr. Natalie Ketsia Alphonse Sullivan prescribe most?
In 2024 Medicare Part D data, Dr. Alphonse Sullivan's most prescribed drugs by claims were Tamsulosin HCl, Orgovyx and Ssd.
Has Dr. Natalie Ketsia Alphonse Sullivan received payments from drug or device companies?
CMS Open Payments shows $515 in general payments to Dr. Alphonse Sullivan from 14 companies from 2022 to 2025. The largest total came from Progenics Pharmaceuticals, Inc.
How long has Dr. Natalie Ketsia Alphonse Sullivan been practicing?
Dr. Alphonse Sullivan graduated from medical school in 2013, 13 years ago.
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