Am J Obstet Gynecol
Birth InjuriesBrain InjuriesCircadian Rhythm
Dr. William Francis O'Brien, MD
NPI1700860558
- Medicare services, 2016
- 22
- Publications
- 130
- Industry payments
- $13
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 2780 Cleveland Ave, Fort Myers, FL 33901
- Practice phone
- Call (239) 424-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lee Memorial Health System
Fort Myers, Florida
Find Dr. O'Brien's professional email, personal email and mobile number
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Dr. William Francis O'Brien is a maternal-fetal medicine specialist in Fort Myers, Florida
Dr. O'Brien practices at Lee Memorial Health System in Fort Myers, Florida.
Dr. O'Brien's NPI, 1700860558, was assigned on December 5, 2005. Dr. O'Brien graduated from New York University School of Medicine in 1974. Dr. O'Brien holds Florida license ME42212.
NPI and contact details
- NPI
- 1700860558NPI Registry (opens in a new tab)
- NPI enumeration date
- December 5, 2005
- NPI status
- Active
- Practice phone
- (239) 424-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William Francis O'Brien practices at Lee Memorial Health System in Fort Myers, Florida
Dr. O'Brien's primary practice is Lee Memorial Health System, at 2780 Cleveland Ave, Fort Myers, FL 33901 in Lee County. The practice phone is (239) 424-1500.
- Lee Memorial Health System2780 Cleveland Ave, Fort Myers, FL 33901 · Lee CountyPhone(239) 424-1500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Francis O'Brien is affiliated with 1 site of care
Dr. O'Brien's primary practice is Lee Memorial Health System in Fort Myers, Florida.
Lee Memorial Health SystemPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. William Francis O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lee Memorial Health System | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Francis O'Brien is one of 168 maternal-fetal medicine specialists in Florida
Maternal and fetal medicine is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207VM0101X. Dr. O'Brien is board certified in maternal-fetal medicine by the American Board of Obstetrics and Gynecology. Dr. O'Brien is licensed in Florida.
Specialties and state licenses
- Maternal and fetal medicine, FloridaPrimary
Maternal-fetal medicine specialists near Dr. O'Brien
Counts of maternal-fetal medicine specialists with a Dmand AI profile, by place and practice. Each opens the list.
168maternal-fetal medicine specialists in Florida
3maternal-fetal medicine specialists in Fort Myers
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Francis O'Brien billed Medicare for 22 services in 2016
CMS data shows 22 Medicare services from Dr. O'Brien across 1 procedure code in 2016, all of them office visits. Medicare paid $1,268 for them. Every service was in an office.
Medicare services, 201622
Paid by Medicare$1,268
Procedure codes1
Dr. O'Brien compared with the Florida median for maternal-fetal medicine specialists, 2016
- Dr. O'Brien
- Florida median
- Medicare services
- 22vs 3027% below
Medians across 50 maternal-fetal medicine specialists in Florida with Dmand AI profiles that report each measure.
Dr. O'Brien's most billed Medicare procedure codes, 2016
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. O'Brien and other maternal-fetal medicine specialists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. William Francis O'Brien has 130 publications on record
Dmand AI links 130 papers to Dr. O'Brien in 2006. The most frequent topics are Fetal Blood, Obstetric Labor, Premature and Dinoprostone. Dr. O'Brien has published most often in Obstet Gynecol. Dr. O'Brien's most frequent co-authors are Stephen Carlan, MD, Dimitrios S. Mastrogiannis, FACOG, MD, PhD and Jeffrey L. Angel, MD.
Papers130
Topics Dr. O'Brien writes about most
- Fetal Blood
- Obstetric Labor, Premature
- Dinoprostone
- Sheep
- Uterine Neoplasms
- Gestational Age
- Labor, Obstetric
- Pre-Eclampsia
Dr. O'Brien's most frequent co-authors
- Stephen Carlan, MD16 shared papers
- Dimitrios S. Mastrogiannis, FACOG, MD, PhD7 shared papers
- Jeffrey L. Angel, MD6 shared papers
Recent publications by Dr. O'Brien
Apgar ScoreBlood PressureButorphanol
Obstet Gynecol
Fetal MovementFetusGestational Age
BacteroidesBlood Transfusion, AutologousClostridium
Obstet Gynecol
Cells, CulturedDinoprostoneInterleukin-1
See who Dr. O'Brien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Brien works with, so you can find a warm path to the right maternal-fetal medicine specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Francis O'Brien received $13 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. O'Brien from 1 drug or device company in 2016. Education make up the largest share, 100% of the total. AMAG Pharmaceuticals, Inc. paid the most, $13.
Companies that paid Dr. O'Brien the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Francis O'Brien has 1 award and honors on record
Dmand AI lists 1 award for Dr. O'Brien.
Awards and honors for Dr. O'Brien
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. William Francis O'Brien graduated from New York University School of Medicine
Dr. O'Brien graduated from New York University School of Medicine in 1974. Dr. O'Brien is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in maternal-fetal medicine
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. William Francis O'Brien accepts plans from 2 insurance carriers
Dr. O'Brien is in network with 2 carriers, including United Healthcare and Alliant Health Plans. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Alliant Health Plans
Plan types Dr. O'Brien accepts, by number of carriers
- HMO2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. William Francis O'Brien'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. William Francis O'Brien
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. William Francis O'Brien's NPI number?
Dr. William Francis O'Brien's NPI number is 1700860558. It was assigned on December 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William Francis O'Brien?
Dr. William Francis O'Brien is a maternal-fetal medicine specialist in Fort Myers, Florida. The primary specialty in the NPI Registry is Maternal & Fetal Medicine Physician (taxonomy code 207VM0101X).
Where does Dr. William Francis O'Brien practice?
Dr. O'Brien practices at 2780 Cleveland Ave, Fort Myers, FL 33901. Dr. O'Brien's primary practice is Lee Memorial Health System in Fort Myers, Florida.
What is Dr. William Francis O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (239) 424-1500.
What is Dr. William Francis O'Brien's medical license number?
Dr. O'Brien holds Florida license ME42212.
Does Dr. William Francis O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 22 services in 2016.
Is Dr. William Francis O'Brien board certified?
Yes. Dr. O'Brien is board certified in maternal-fetal medicine by the American Board of Obstetrics and Gynecology.
What services does Dr. William Francis O'Brien bill to Medicare?
In 2016, Dr. O'Brien's most billed Medicare services were office visit, established patient (99213).
Where did Dr. William Francis O'Brien go to medical school?
Dr. O'Brien graduated from New York University School of Medicine in 1974.
Has Dr. William Francis O'Brien received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. O'Brien from 1 company from 2016 to 2016. The largest total came from AMAG Pharmaceuticals, Inc.
Show 4 more questionsShow fewer questions
How long has Dr. William Francis O'Brien been practicing?
Dr. O'Brien graduated from medical school in 1974, 52 years ago.
Does Dr. William Francis O'Brien do research?
Dmand AI links 130 publications to Dr. O'Brien.
Who does Dr. William Francis O'Brien publish with?
Dr. O'Brien's most frequent co-authors are Stephen Carlan, MD (16 shared papers), Dimitrios S. Mastrogiannis, FACOG, MD, PhD (7 shared papers) and Jeffrey L. Angel, MD (6 shared papers).
What insurance does Dr. William Francis O'Brien accept?
Dr. O'Brien is in network with 2 carriers, including United Healthcare and Alliant Health Plans. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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