Dr. Gillian M. Headley, MD

  • Rockford, IL
  • Neonatologist
NPI1497865687
Affiliated sites
1
Medical groups
2
State licenses
2
Year NPI issued
2006
Practice address
1401 E State St, Rockford, IL 61104
Practice phone
Call (815) 391-7277
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Swedish American Hospital

Rockford, Illinois

See all 4 affiliations

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Dr. Gillian M. Headley is a neonatologist in Rockford, Illinois

Dr. Headley practices at Swedish American Hospital in Rockford, Illinois.

Dr. Headley's NPI, 1497865687, was assigned on August 30, 2006. Dr. Headley holds Illinois license 036-103485.

NPI and contact details
NPI enumeration date
August 30, 2006
NPI status
Active
Practice phone
(815) 391-7277
Professional email
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Personal email
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Mobile number
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Sex
Female

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

Dr. Gillian M. Headley practices at Swedish American Hospital in Rockford, Illinois

Dr. Headley's primary practice is Swedish American Hospital, at 1401 E State St, Rockford, IL 61104 in Winnebago County. The practice phone is (815) 391-7277.

  • Swedish American Hospital
    1401 E State St, Rockford, IL 61104 · Winnebago CountyPhone(815) 391-7277

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

Dr. Gillian M. Headley is affiliated with 2 sites of care and 2 medical groups

Dr. Headley's primary practice is Swedish American Hospital in Rockford, Illinois. The medical group on file is SwedishAmerican Medical Group. Dmand AI also links Dr. Headley to 1 more skilled nursing facility and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Headley

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

Dmand AI tracks the EHR system at Dr. Gillian M. Headley's practice

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

EHR by site
SiteEHR vendor and product
Swedish American HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gillian M. Headley is one of 273 neonatologists in Illinois

Neonatal-perinatal medicine is Dr. Headley's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dmand AI has Dr. Headley's licenses on file in 2 states: Illinois and Wisconsin.

Specialties and state licenses

  • Neonatal-perinatal medicine, IllinoisPrimaryLicense 036-103485 · taxonomy 2080N0001X
  • Wisconsin licenseLicense 22363

Neonatologists near Dr. Headley

Counts of neonatologists with a Dmand AI profile, by place and practice. Each opens the list.

273neonatologists in Illinois
6neonatologists in Rockford

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

Dr. Gillian M. Headley's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts Dr. Headley's median patient age at 68, with 67% women.

Dr. Headley's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Sources for Dr. Gillian M. Headley'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 DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel 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. Gillian M. Headley

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. Gillian M. Headley's NPI number?

Dr. Gillian M. Headley's NPI number is 1497865687. It was assigned on August 30, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gillian M. Headley?

Dr. Gillian M. Headley is a neonatologist in Rockford, Illinois. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).

Where does Dr. Gillian M. Headley practice?

Dr. Headley practices at 1401 E State St, Rockford, IL 61104. Dr. Headley's primary practice is Swedish American Hospital in Rockford, Illinois. Dmand AI also links Dr. Headley to 1 skilled nursing facility and 1 medical group.

What is Dr. Gillian M. Headley's office phone number?

The practice phone on file for Dr. Headley is (815) 391-7277.

What is Dr. Gillian M. Headley's medical license number?

Dr. Headley holds Illinois license 036-103485, one of the licenses on file in 2 states.

Which states has Dr. Gillian M. Headley been licensed in?

Dmand AI has state licenses on file for Dr. Headley in Illinois and Wisconsin.

What medical group is Dr. Gillian M. Headley part of?

Dr. Headley is linked to SwedishAmerican Medical Group. Dmand AI links Dr. Headley to 1 more medical group.

How long has Dr. Gillian M. Headley been practicing?

Dr. Headley's NPI was assigned in 2006.

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