DR. NATALIE S OPANASETS M.D.
NPI 1366615833
Family Medicine in Michigan City, IN

Q: What is Natalie Opanasets's NPI number?

The NPI number for Natalie Opanasets is 1366615833. It was assigned to this individual provider in the NPPES registry on April 7, 2008.

Q: What is Natalie Opanasets's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Natalie Opanasets was last updated on March 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 07, 2008PECOS EnrolledAccepts Medicare Assignment

87.95/100

CMS Quality Rating

4111 FRANKLIN ST, MICHIGAN CITY, IN 46360(219) 873-2919(219) 873-2909 Get Directions Write a Review

NPPES record last updated: March 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 14, 2025, Mar 8, 2024, Jun 9, 2021 and 2 more (5 updates tracked since 2018).

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About Dr. Natalie S Opanasets M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NATALIE S OPANASETS M.D. (NPI 1366615833) is an individual family medicine provider in Michigan City, Indiana, licensed in Illinois (036123887) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1366615833

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. NATALIE S OPANASETSCredential: M.D.

Location Address4111 FRANKLIN STMichigan City, IN 46360-7803

Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965

Phone(219) 873-2919

Fax(219) 873-2909

Sole ProprietorNo

Medical School CMSOtherGraduated 1998

Enumeration DateApril 7, 2008

Last NPPES UpdateMarch 14, 20255 updates tracked since enumeration

NPPES CertifiedMarch 14, 2025

✔ NPI 1366615833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in IL · 036123887✔ Licensed in IN · 01069068A

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

4111 FRANKLIN ST, Michigan City, IN 46360

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Secondary Practice Locations 7

Location 13630 Willowcreek RdPortage, IN 46368-5075 · Phone (219) 364-3900 · Fax (219) 364-3595

Location 23777 N Frontage Rd Ste 500Michigan City, IN 46360-7697 · Phone (219) 809-2889

Location 3650 Dickinson RdChesterton, IN 46304-3387 · Phone (219) 926-7755 · Fax (219) 929-1885

Location 4809 LaPorte Ave Ste BValparaiso, IN 46383-5801 · Phone (219) 263-4977 · Fax (219) 263-4979

Location 5401 NewPorte BlvdLa Porte, IN 46350-4099 · Phone (219) 575-6244

Location 647 W Polk St Ste G1Chicago, IL 60605-2083 · Phone (888) 824-0200

Location 75841 S Maryland AveChicago, IL 60637-1443 · Phone (888) 824-0200

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Natalie S Opanasets M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426237892

PECOS Enrollment IDI20110201000523, I20110415000168

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

187 services176 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

47 services47 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

46 services46 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

41 services41 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

38 services38 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

32 services32 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140088

Location5841 South MarylandChicago, IL 60637 · Cook County

Emergency services Birthing friendly

Franciscan Health Munster

Acute Care Hospitals · Munster, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150165

Location701 Superior AveMunster, IN 46321 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.04 typical visit price

range $53.07 – $161.76

Typical copayment $20.51 (range $13.26 – $40.44)

Most-billed visit code 99203

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.95/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

74.04

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICHOLE M SHULTZ FNP

Nurse Practitioner (Family)