Dr. Spencer K. Sullivan, MD

  • Madison, MS
  • Pediatric hematology and oncology physician
NPI1073735114
Medicare services, 2024
66
Medicare patients, 2024
38
Part D claims, 2024
544
Publications
18
Clinical trials
2
Practice address
7731 Old Canton Rd, Madison, MS 39110
Practice phone
Call (713) 877-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Quest Diagnostics Clinical Laboratories Inc

Madison, Mississippi

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Dr. Spencer K. Sullivan is a pediatric hematology and oncology physician in Madison, Mississippi

Dr. Sullivan practices at Quest Diagnostics Clinical Laboratories Inc in Madison, Mississippi.

Dr. Sullivan's NPI, 1073735114, was assigned on May 2, 2007. Dr. Sullivan graduated from University of North Carolina at Chapel Hill School of Medicine in 2005. Dr. Sullivan holds Mississippi license 23304.

NPI and contact details
NPI enumeration date
May 2, 2007
NPI status
Active
Practice phone
(713) 877-6000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Spencer K. Sullivan practices at Quest Diagnostics Clinical Laboratories Inc in Madison, Mississippi

Dr. Sullivan's primary practice is Quest Diagnostics Clinical Laboratories Inc, at 7731 Old Canton Rd, Madison, MS 39110 in Madison County. The practice phone is (713) 877-6000.

  • Quest Diagnostics Clinical Laboratories Inc
    7731 Old Canton Rd, Madison, MS 39110 · Madison CountyPhone(713) 877-6000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Spencer K. Sullivan is affiliated with 1 site of care and 1 medical group

Dr. Sullivan's primary practice is Quest Diagnostics Clinical Laboratories Inc in Madison, Mississippi. The medical group on file is Baptist Medical Clinics.

Quest Diagnostics Clinical Laboratories IncMadison, MississippiPrimary
Baptist Medical ClinicsPrimary care group, Memphis, TN

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Spencer K. Sullivan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sullivan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Quest Diagnostics Clinical Laboratories IncAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Spencer K. Sullivan is one of 10 pediatric hematologys and oncology physicians in Mississippi

Pediatric hematology-oncology is Dr. Sullivan's primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Dr. Sullivan is board certified in pediatric hematology-oncology by the American Board of Pediatrics. Dr. Sullivan is licensed in Mississippi.

Specialties and state licenses

  • Pediatric hematology and oncology, MississippiPrimaryLicense 23304 · taxonomy 2080P0207X

Pediatric hematologys and oncology physicians near Dr. Sullivan

Counts of pediatric hematologys and oncology physicians 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. Spencer K. Sullivan billed Medicare for 66 services in 2024

CMS data shows 66 Medicare services from Dr. Sullivan across 3 procedure codes in 2024, for 38 Medicare patients. Medicare paid $3,686 for them. Every service was in an office.

Medicare services, 202466
Medicare patients38
Paid by Medicare$3,686
Procedure codes3

Dr. Sullivan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 362024: 398%
Surgery
2023: 212024: 2729%

Dr. 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.

See all procedures by Dr. Sullivan

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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

Dr. Spencer K. Sullivan treated 38 Medicare patients in 2024, average age 56

CMS counts 38 Medicare patients who saw Dr. Sullivan in 2024. The largest group is under 65, with 22 patients. 63% of them have high blood pressure, and 58% have arthritis. 45% are also on Medicaid. Their average risk score is 4.92, 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. Sullivan's median patient age at 22, with 50% women.

Medicare patients, 202438
Average age56
Average risk score4.92
Also on Medicaid45%

Dr. Sullivan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Sullivan's Medicare patients by sex, 2024

  • Women1847%
  • Men2053%

Chronic conditions among Dr. Sullivan's Medicare patients, 2024

  1. High blood pressure63%
  2. Arthritis58%
  3. High cholesterol47%
  4. Anxiety39%
  5. Diabetes34%
  6. Mood disorders29%

Share of Medicare patients with each condition. A patient can have several.

Dr. 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 22

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. Spencer K. Sullivan wrote 544 Medicare Part D claims in 2024

In 2024, Dr. Sullivan wrote 544 Medicare Part D claims for 38 patients. 84% of them were for generic drugs. CMS names the drug for 466 of them, across 14 drugs with 11 or more claims each, at $532,008 in total drug cost. In 2023, CMS named 294 claims across 9 drugs.

Part D claims, 2024544
Drugs named by CMS14
Total drug cost$532,008
Part D patients38

Dr. Sullivan's Part D claims by kind of drug, 2024

  • Generic456 claims84%
  • Brand-name88 claims16%

Dr. 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. Sullivan's Part D claims, 2024

  • Opioids51%276 of 544 claims
  • Antibiotics2%12 of 544 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: 2942024: 46659%

Drugs named by CMS: 14 in 2024, 9 in 2023.

See all prescribing by Dr. Sullivan

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

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Dr. Spencer K. Sullivan has 18 publications on record

Dmand AI links 18 papers to Dr. Sullivan, published from 2012 to 2021. 2013 was the busiest year, with 5. The most frequent topics are Blood Platelets, Megakaryocytes and Induced Pluripotent Stem Cells. Dr. Sullivan has published most often in Blood. Dr. Sullivan's most frequent co-authors are Stella T. Chou, MD, Mitchell J. Weiss, MD and Kristin Mara Hudock, MD.

Papers18
Years published2012 to 2021

Dr. Sullivan's papers by year, 2012 to 2021

Topics Dr. Sullivan writes about most

  • Blood Platelets
  • Megakaryocytes
  • Induced Pluripotent Stem Cells
  • Cell Differentiation
  • Cell Line
  • Genetic Therapy
  • Genetic Vectors
  • Hemophilia A

Dr. Sullivan's most frequent co-authors

Recent publications by Dr. Sullivan

See all 18 publications and co-authors

See who Dr. Sullivan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sullivan works with, so you can find a warm path to the right pediatric hematologys and oncology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Spencer K. Sullivan has worked on 2 clinical trials

Dmand AI links Dr. Sullivan to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Hemophilia A, Hemophilia B and Coagulation Protein Disorders.

Conditions in Dr. Sullivan's trials

  • Hemophilia A
  • Hemophilia B
  • Coagulation Protein Disorders

Investigators on the most trials with Dr. Sullivan

Recent clinical trials with Dr. Sullivan

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Spencer K. Sullivan received $103,209 in industry payments from 2016 to 2024

CMS Open Payments shows 111 general payments to Dr. Sullivan from 14 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 45% of the total. BioMarin Pharmaceutical Inc. paid the most, $38,673. It also lists 13 research payments totaling $18,122 from 2018 to 2023.

General payments to Dr. Sullivan by program year, 2016 to 2024

General payments to Dr. Sullivan by kind, 2016 to 2024

$103.2Kin total
  • Speaker and faculty fees$45,93845%
  • Consulting fees$26,32826%
  • Honoraria$19,11719%
  • Travel and lodging$7,9528%
  • Other$3,8734%

Companies that paid Dr. Sullivan the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Sullivan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Spencer K. Sullivan graduated from University of North Carolina at Chapel Hill School of Medicine

Dr. Sullivan graduated from University of North Carolina at Chapel Hill School of Medicine in 2005.

  1. Medical schoolUniversity of North Carolina at Chapel Hill School of Medicine
  2. Board certified in pediatric hematology-oncologyAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Sources for Dr. Spencer K. Sullivan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Spencer K. 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. Spencer K. Sullivan's NPI number?

Dr. Spencer K. Sullivan's NPI number is 1073735114. It was assigned on May 2, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Spencer K. Sullivan?

Dr. Spencer K. Sullivan is a pediatric hematology and oncology physician in Madison, Mississippi. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).

Where does Dr. Spencer K. Sullivan practice?

Dr. Sullivan practices at 7731 Old Canton Rd, Madison, MS 39110. Dr. Sullivan's primary practice is Quest Diagnostics Clinical Laboratories Inc in Madison, Mississippi.

What is Dr. Spencer K. Sullivan's office phone number?

The practice phone on file for Dr. Sullivan is (713) 877-6000.

What is Dr. Spencer K. Sullivan's medical license number?

Dr. Sullivan holds Mississippi license 23304.

What medical group is Dr. Spencer K. Sullivan part of?

Dr. Sullivan is linked to Baptist Medical Clinics.

Does Dr. Spencer K. Sullivan accept Medicare?

Yes. CMS data shows Dr. Sullivan billed Medicare for 66 services in 2024.

How many Medicare patients does Dr. Spencer K. Sullivan see?

CMS counts 38 Medicare patients who saw Dr. Sullivan in 2024, with an average age of 56.

Is Dr. Spencer K. Sullivan board certified?

Yes. Dr. Sullivan is board certified in pediatric hematology-oncology by the American Board of Pediatrics.

What services does Dr. Spencer K. Sullivan bill to Medicare?

In 2024, Dr. Sullivan's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99215) and office visit, established patient (99214).

Show 6 more questionsShow fewer questions

Where did Dr. Spencer K. Sullivan go to medical school?

Dr. Sullivan graduated from University of North Carolina at Chapel Hill School of Medicine in 2005.

What drugs does Dr. Spencer K. Sullivan prescribe most?

In 2024 Medicare Part D data, Dr. Sullivan's most prescribed drugs by claims were Oxycodone HCl, Promethazine HCl and Gabapentin.

Has Dr. Spencer K. Sullivan received payments from drug or device companies?

CMS Open Payments shows $103,209 in general payments to Dr. Sullivan from 14 companies from 2016 to 2024. The largest total came from BioMarin Pharmaceutical Inc.

How long has Dr. Spencer K. Sullivan been practicing?

Dr. Sullivan graduated from medical school in 2005, 21 years ago.

Does Dr. Spencer K. Sullivan do research?

Dmand AI links 18 publications to Dr. Sullivan, published from 2012 to 2021. Dr. Sullivan has worked on 2 clinical trials.

Who does Dr. Spencer K. Sullivan publish with?

Dr. Sullivan's most frequent co-authors are Stella T. Chou, MD (3 shared papers), Mitchell J. Weiss, MD (3 shared papers) and Kristin Mara Hudock, MD (2 shared papers).

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