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Regina Ottan

  • Chicago, IL
  • Nurse practitioner
NPI1164950283
Part D claims, 2024
118
Affiliated sites
2
Medical group
1
State license
1
Year NPI issued
2017
Practice address
33 S State St, Chicago, IL 60603
Practice phone
Call (877) 868-5351
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Signify Health Medical Associates

Chicago, Illinois

See all 4 affiliations

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Regina Ottan is a nurse practitioner in Chicago, Illinois

Regina Ottan practices at Signify Health Medical Associates in Chicago, Illinois.

Regina Ottan's NPI, 1164950283, was assigned on June 2, 2017. Regina Ottan holds Texas license F05170039.

NPI and contact details
NPI
1164950283NPI Registry (opens in a new tab)
NPI enumeration date
June 2, 2017
NPI status
Active
Practice phone
(877) 868-5351
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female

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

Regina Ottan practices at Signify Health Medical Associates in Chicago, Illinois

Regina Ottan's primary practice is Signify Health Medical Associates, at 33 S State St, Chicago, IL 60603 in Cook County. The practice phone is (877) 868-5351.

  • Signify Health Medical Associates
    33 S State St, Chicago, IL 60603 · Cook CountyPhone(877) 868-5351

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

Regina Ottan is affiliated with 3 sites of care and 1 medical group

Regina Ottan's primary practice is Signify Health Medical Associates in Chicago, Illinois. The medical group on file is Signify Health. Dmand AI also links Regina Ottan to 1 more physician office and 1 group practice or clinic, each named with a free account.

Signify Health Medical AssociatesChicago, IllinoisPrimary
Signify HealthPrimary care group, Clarksburg, WV1 physician officeName with a free account1 group practice or clinicName with a free account
See all 4 affiliations for Regina Ottan

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

Dmand AI tracks the EHR system at Regina Ottan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Regina Ottan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Signify Health Medical AssociatesAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Regina Ottan is one of 4,254 nurse practitioners in Illinois

Nurse practitioner is Regina Ottan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Regina Ottan is licensed in Texas.

Specialties and state licenses

  • Nurse practitioner, TexasPrimaryLicense F05170039 · taxonomy 363L00000X

Nurse practitioners near Regina Ottan

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

4,254nurse practitioners in Illinois1,080nurse practitioners in Chicago

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

Regina Ottan's patients have a median age of 44

Across all payers, Dmand AI patient panel data puts Regina Ottan's median patient age at 44, with 71% women.

Regina Ottan's patients across all payers

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

Patient panel by age, all payers

Median age 44

Patient panel by sex, all payers

  • Women71%
  • Men26%

Source: Dmand AI Patient Panel Data

Regina Ottan wrote 118 Medicare Part D claims in 2024

In 2024, Regina Ottan wrote 118 Medicare Part D claims for 21 patients. 81% of them were for generic drugs.

Part D claims, 2024118
Part D patients21

Regina Ottan's Part D claims by kind of drug, 2024

  • Generic95 claims81%
  • Brand-name and other23 claims19%

Drug classes CMS tracks in Regina Ottan's Part D claims, 2024

  • Antibiotics12%14 of 118 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Regina Ottan'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 patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
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 Regina Ottan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Regina Ottan's NPI number?

Regina Ottan's NPI number is 1164950283. It was assigned on June 2, 2017, and it is active in the NPI Registry.

What does Regina Ottan specialize in?

Regina Ottan is a nurse practitioner in Chicago, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Regina Ottan practice?

Regina Ottan practices at 33 S State St, Chicago, IL 60603. Regina Ottan's primary practice is Signify Health Medical Associates in Chicago, Illinois. Dmand AI also links Regina Ottan to 1 physician office and 1 group practice or clinic.

What is Regina Ottan's office phone number?

The practice phone on file for Regina Ottan is (877) 868-5351.

What is Regina Ottan's medical license number?

Regina Ottan holds Texas license F05170039.

What medical group is Regina Ottan part of?

Regina Ottan is linked to Signify Health.

How long has Regina Ottan been practicing?

Regina Ottan's NPI was assigned in 2017.

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