DR. WILLIAM FRANCIS O'BRIEN (M.D.) – Maternal & Fetal Medicine Physician, NPI 1700860558

Maternal & Fetal Medicine Physician

DR. WILLIAM FRANCIS O'BRIEN (M.D.) is a healthcare provider. based in Fort myers, Florida. specializing in Maternal & Fetal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. ME42212 (FL). The NPI Number for DR. WILLIAM FRANCIS O'BRIEN (M.D.) is 1700860558

Main info

Male

Name

DR. WILLIAM FRANCIS O'BRIEN (M.D.)

NPI

1700860558

Phone

(239) 481-5477

Address

9981 HEALTHPARK CR

Enumeration Date

5 December 2005

Last Update Date

8 July 2007

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience54

Completeness75

Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for DR. WILLIAM FRANCIS O'BRIEN (M.D.)

9981 HEALTHPARK CR
SUITE 159
FORT MYERS, FL 33908
Phone: (239) 481-5477
Fax: (239) 481-5892
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 33908)

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Reviews

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Frequently asked questions

What is DR. WILLIAM FRANCIS O'BRIEN (M.D.)'s NPI number?

DR. WILLIAM FRANCIS O'BRIEN (M.D.)'s NPI is 1700860558 — the number used across U.S. healthcare to identify this provider.

Is there an active status for DR. WILLIAM FRANCIS O'BRIEN (M.D.)?

For scheduling context, DR. WILLIAM FRANCIS O'BRIEN (M.D.) is shown as active in the registry.

What kind of doctor is DR. WILLIAM FRANCIS O'BRIEN (M.D.)?

DR. WILLIAM FRANCIS O'BRIEN (M.D.) is associated with Maternal & Fetal Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.

Is DR. WILLIAM FRANCIS O'BRIEN (M.D.) located near Fort Myers?

DR. WILLIAM FRANCIS O'BRIEN (M.D.) currently maps to Fort Myers, Florida in this extract.

Does inactive status remove historical data?

Historical rows can remain visible after status changes — read the dates carefully.