Dr. Natalie Bach Otto, MD

  • Oak Park, IL
  • Internist
NPI1144985417
Part D claims, 2024
126
Industry payments
$127
State license
1
Year NPI issued
2021
Practice address
520 S Maple Ave, Oak Park, IL 60304
Practice phone
Call (708) 383-9300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rush Oak Park Hospital

Oak Park, Illinois

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Dr. Natalie Bach Otto is an internist in Oak Park, Illinois

Dr. Otto practices at Rush Oak Park Hospital in Oak Park, Illinois.

Dr. Otto's NPI, 1144985417, was assigned on November 2, 2021. Dr. Otto holds Illinois license 125.079834.

NPI and contact details
NPI enumeration date
November 2, 2021
NPI status
Active
Practice phone
(708) 383-9300
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. Natalie Bach Otto practices at Rush Oak Park Hospital in Oak Park, Illinois

Dr. Otto's primary practice is Rush Oak Park Hospital, at 520 S Maple Ave, Oak Park, IL 60304 in Cook County. The practice phone is (708) 383-9300.

  • Rush Oak Park Hospital
    520 S Maple Ave, Oak Park, IL 60304 · Cook CountyPhone(708) 383-9300

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

Dr. Natalie Bach Otto is affiliated with 1 site of care

Dr. Otto's primary practice is Rush Oak Park Hospital in Oak Park, Illinois.

Rush Oak Park HospitalOak Park, IllinoisPrimary

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

Dmand AI tracks the EHR system at Dr. Natalie Bach Otto's practice

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

EHR by site
SiteEHR vendor and product
Rush Oak Park HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Natalie Bach Otto is one of 5,652 internists in Illinois

Internal medicine is Dr. Otto's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Otto is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 125.079834 · taxonomy 207R00000X

Internists near Dr. Otto

Counts of internists 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. Natalie Bach Otto's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Dr. Otto's median patient age at 67, with 50% women.

Dr. Otto's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Natalie Bach Otto wrote 126 Medicare Part D claims in 2024

In 2024, Dr. Otto wrote 126 Medicare Part D claims for 42 patients. 81% of them were for generic drugs.

Part D claims, 2024126
Part D patients42

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

  • Generic102 claims81%
  • Brand-name24 claims19%

Drug classes CMS tracks in Dr. Otto's Part D claims, 2024

  • Opioids10%13 of 126 claims
  • Antibiotics9%11 of 126 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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Dr. Natalie Bach Otto received $127 in industry payments from 2023 to 2024

CMS Open Payments shows 2 general payments to Dr. Otto from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $112.

General payments to Dr. Otto by program year, 2023 to 2024

Companies that paid Dr. Otto the most, 2023 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Otto

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Natalie Bach Otto'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 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)
Industry paymentsOpen Payments (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 Dr. Natalie Bach Otto

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. Natalie Bach Otto's NPI number?

Dr. Natalie Bach Otto's NPI number is 1144985417. It was assigned on November 2, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Natalie Bach Otto?

Dr. Natalie Bach Otto is an internist in Oak Park, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Natalie Bach Otto practice?

Dr. Otto practices at 520 S Maple Ave, Oak Park, IL 60304. Dr. Otto's primary practice is Rush Oak Park Hospital in Oak Park, Illinois.

What is Dr. Natalie Bach Otto's office phone number?

The practice phone on file for Dr. Otto is (708) 383-9300.

What is Dr. Natalie Bach Otto's medical license number?

Dr. Otto holds Illinois license 125.079834.

Has Dr. Natalie Bach Otto received payments from drug or device companies?

CMS Open Payments shows $127 in general payments to Dr. Otto from 2 companies from 2023 to 2024. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.

How long has Dr. Natalie Bach Otto been practicing?

Dr. Otto's NPI was assigned in 2021.

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