Dr. Kaitlin M. O'Sullivan, MD

  • Douglasville, GA
  • Emergency medicine physician
NPI1073132981PAC ID8921452616
Medicare services, 2024
116
Medicare patients, 2024
123
Part D claims, 2024
136
Publications
18
MIPS score, 2024
94
Practice address
8954 Hospital Drive, Douglasville, GA 30134
Practice phone
Call (770) 949-1500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Wellstar Douglas Medical Center

Hospital · Douglasville, Georgia

See all 5 affiliations

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Dr. Kaitlin M. O'Sullivan is an emergency medicine physician in Douglasville, Georgia

Dr. O'Sullivan practices at Wellstar Douglas Medical Center in Douglasville, Georgia, part of Wellstar Health System.

Dr. O'Sullivan's NPI, 1073132981, was assigned on April 10, 2020. Dr. O'Sullivan graduated from Georgetown University School of Medicine in 2020. Dr. O'Sullivan holds Georgia license 96786.

NPI and contact details
Medicare PAC ID
8921452616
NPI enumeration date
April 10, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(770) 949-1500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Kaitlin M. O'Sullivan practices at Wellstar Douglas Medical Center in Douglasville, Georgia

Dr. O'Sullivan's primary practice is Wellstar Douglas Medical Center, at 8954 Hospital Drive, Douglasville, GA 30134 in Douglas County. The practice phone is (770) 949-1500.

Source: Dmand AI Affiliation Data

Dr. Kaitlin M. O'Sullivan is affiliated with 3 sites of care and 2 medical groups

Dr. O'Sullivan's primary practice is Wellstar Douglas Medical Center in Douglasville, Georgia, part of Wellstar Health System. Dr. O'Sullivan is also affiliated with CHA Cambridge Hospital. The medical group on file is The Bortolazzo Group LLC. Dmand AI also links Dr. O'Sullivan to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. O'Sullivan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kaitlin M. O'Sullivan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Sullivan practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Wellstar Douglas Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kaitlin M. O'Sullivan is one of 1,629 emergency medicine physicians in Georgia

Emergency medicine is Dr. O'Sullivan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. O'Sullivan is licensed in Georgia.

Specialties and state licenses

  • Emergency medicine, GeorgiaPrimaryLicense 96786 · taxonomy 207P00000X

Emergency medicine physicians near Dr. O'Sullivan

Counts of emergency medicine 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. Kaitlin M. O'Sullivan billed Medicare for 116 services in 2024

CMS data shows 116 Medicare services from Dr. O'Sullivan across 2 procedure codes in 2024, for 123 Medicare patients. Medicare paid $13,440 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024116
Medicare patients123
Paid by Medicare$13,440
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 392024: 116197%

Dr. O'Sullivan compared with the Georgia median for emergency medicine physicians, 2024

  • Dr. O'Sullivan
  • Georgia median
Medicare services
116vs 29160% below
Medicare patients
123vs 26153% below
Part D claims
31vs 9367% below

Medians across 1,545 emergency medicine physicians in Georgia with Dmand AI profiles that report each measure.

Dr. O'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. O'Sullivan

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kaitlin M. O'Sullivan treated 123 Medicare patients in 2024, average age 75

CMS counts 123 Medicare patients who saw Dr. O'Sullivan in 2024. The largest group is 75 to 84, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.91, 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. O'Sullivan's median patient age at 39, with 56% women.

Medicare patients, 2024123
Average age75
Average risk score2.91
Also on Medicaid31%

Dr. O'Sullivan's Medicare patients by age, 2024

Dr. O'Sullivan's Medicare patients by sex, 2024

  • Women7158%
  • Men5242%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease54%
  4. Chronic kidney disease52%
  5. Diabetes47%
  6. Heart failure46%
  7. Arthritis45%
  8. Mood disorders38%

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

Dr. O'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 39

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. Kaitlin M. O'Sullivan wrote 136 Medicare Part D claims in 2024

In 2024, Dr. O'Sullivan wrote 136 Medicare Part D claims for 92 patients. 91% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $284 in total drug cost.

Part D claims, 2024136
Drugs named by CMS2
Total drug cost$284
Part D patients92

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

  • Generic124 claims91%
  • Brand-name12 claims9%

Dr. O'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. O'Sullivan's Part D claims, 2024

  • Opioids8%11 of 136 claims
  • Antibiotics25%34 of 136 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. O'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

Dr. Kaitlin M. O'Sullivan scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. O'Sullivan for performance year 2024, reported through an alternative payment model (APM). Dr. O'Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. O'Sullivan's MIPS scores, performance year 2024

  • 94of 100Final score
  • 82.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

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. Kaitlin M. O'Sullivan has 18 publications on record

Dmand AI links 18 papers to Dr. O'Sullivan, published from 2011 to 2022. 2017 was the busiest year, with 3. The most frequent topics are Emotions, Fear and Learning. Dr. O'Sullivan has published most often in Phys Rev Lett. Dr. O'Sullivan's most frequent co-authors are Clara S. Chan, MD, Adam Michael Bernstein, MD and Kishore Kumar, MD.

Papers18
Years published2011 to 2022

Dr. O'Sullivan's papers by year, 2011 to 2022

Topics Dr. O'Sullivan writes about most

  • Emotions
  • Fear
  • Learning
  • Magnetic Resonance Imaging
  • Parents

Dr. O'Sullivan's most frequent co-authors

Recent publications by Dr. O'Sullivan

See all 18 publications and co-authors

See who Dr. O'Sullivan researches with

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

How network discovery works

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

Dr. Kaitlin M. O'Sullivan graduated from Georgetown University School of Medicine

Dr. O'Sullivan graduated from Georgetown University School of Medicine in 2020.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Kaitlin M. O'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Kaitlin M. O'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. Kaitlin M. O'Sullivan's NPI number?

Dr. Kaitlin M. O'Sullivan's NPI number is 1073132981. It was assigned on April 10, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. Kaitlin M. O'Sullivan?

Dr. Kaitlin M. O'Sullivan is an emergency medicine physician in Douglasville, Georgia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Kaitlin M. O'Sullivan practice?

Dr. O'Sullivan practices at 8954 Hospital Drive, Douglasville, GA 30134. Dr. O'Sullivan's primary practice is Wellstar Douglas Medical Center in Douglasville, Georgia, part of Wellstar Health System. Dmand AI also links Dr. O'Sullivan to 1 group practice or clinic and 1 medical group.

What is Dr. Kaitlin M. O'Sullivan's office phone number?

The practice phone on file for Dr. O'Sullivan is (770) 949-1500.

What is Dr. Kaitlin M. O'Sullivan's medical license number?

Dr. O'Sullivan holds Georgia license 96786.

Which hospitals is Dr. Kaitlin M. O'Sullivan affiliated with?

Dr. O'Sullivan practices at Wellstar Douglas Medical Center in Douglasville, Georgia. Dr. O'Sullivan is also affiliated with CHA Cambridge Hospital.

What medical group is Dr. Kaitlin M. O'Sullivan part of?

Dr. O'Sullivan is linked to The Bortolazzo Group LLC. Dmand AI links Dr. O'Sullivan to 1 more medical group.

Does Dr. Kaitlin M. O'Sullivan accept Medicare?

Yes. CMS data shows Dr. O'Sullivan billed Medicare for 116 services in 2024, and Dr. O'Sullivan accepts Medicare assignment.

What is Dr. Kaitlin M. O'Sullivan's MIPS score?

Dr. O'Sullivan's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Kaitlin M. O'Sullivan see?

CMS counts 123 Medicare patients who saw Dr. O'Sullivan in 2024, with an average age of 75.

Show 6 more questionsShow fewer questions

What services does Dr. Kaitlin M. O'Sullivan bill to Medicare?

In 2024, Dr. O'Sullivan's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).

Where did Dr. Kaitlin M. O'Sullivan go to medical school?

Dr. O'Sullivan graduated from Georgetown University School of Medicine in 2020.

What drugs does Dr. Kaitlin M. O'Sullivan prescribe most?

In 2024 Medicare Part D data, Dr. O'Sullivan's most prescribed drugs by claims were Methylprednisolone and Ketorolac Tromethamine.

How long has Dr. Kaitlin M. O'Sullivan been practicing?

Dr. O'Sullivan graduated from medical school in 2020, 6 years ago.

Does Dr. Kaitlin M. O'Sullivan do research?

Dmand AI links 18 publications to Dr. O'Sullivan, published from 2011 to 2022.

Who does Dr. Kaitlin M. O'Sullivan publish with?

Dr. O'Sullivan's most frequent co-authors are Clara S. Chan, MD (7 shared papers), Adam Michael Bernstein, MD (6 shared papers) and Kishore Kumar, MD (4 shared papers).

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