KAREN O' CONNOR PERLA M.D.
NPI 1538512280
Family Medicine in Chicago, IL

Active since July 18, 2016PECOS EnrolledAccepts Medicare Assignment
1431 N WESTERN AVE STE 406, CHICAGO, IL 60622(312) 633-5841(312) 491-5020 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Karen O' Connor Perla M.d. NPPES

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

KAREN O' CONNOR PERLA M.D. (NPI 1538512280) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036.148803) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, is affiliated with Presence Saints Mary And Elizabeth Medical Center, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1538512280
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameKAREN O' CONNOR PERLACredential: M.D.
Location Address1431 N WESTERN AVE STE 406Chicago, IL 60622-1774
Mailing Address2211 N Elston Ave Ste 301Chicago, IL 60614-9278 · (312) 770-2040 · Fax (312) 770-3270
Fax(312) 491-5020
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJuly 18, 2016
Last NPPES UpdateJune 30, 2026
NPPES CertifiedJune 30, 2026
✔ NPI 1538512280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in IL · 036.148803✔ Licensed in MD · D0106419
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 125068575 (IL)
1431 N WESTERN AVE STE 406, Chicago, IL 60622

Other Names 1

Other Name (5)Karen O'connor

Secondary Practice Location 1

Location 14924 Campbell Blvd Ste 125Baltimore, MD 21236-5921 · Phone (443) 461-1997

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen O' Connor Perla 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 ID9032471214
PECOS Enrollment IDI20191009000707
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Karen O' Connor Perla reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
1431 N WESTERN AVE, STE 406
Chicago, IL 60622
  • Reassigned Medicare billing, Illinois enrollment
  • 76 clinicians in this Medicare group
Family Medicine
8206 GEORGIA AVE
Silver Spring, MD 20910
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1962423632 (Maryland)
  • 184 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Presence Saints Mary And Elizabeth Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140180
Location2233 W Division StChicago, IL 60622 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60622 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Other Providers at the Same Location NPPES 20

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

Family Medicine
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622
Student in an Organized Health Care Education/Training Program
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622
Family Medicine
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622
Family Medicine
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622
Student in an Organized Health Care Education/Training Program
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622
Family Medicine
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622
Social Worker (Clinical)
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622
Social Worker (Clinical)
1431 N WESTERN AVE STE 406
CHICAGO, IL 60622

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen O' Connor Perla's NPI number?

The NPI number for Karen O' Connor Perla is 1538512280. It was assigned to this individual provider in the NPPES registry on July 18, 2016. The provider is also known as Karen O'connor.

Where is Karen O' Connor Perla located?

Karen O' Connor Perla practices at 1431 N Western Ave Ste 406, Chicago, IL 60622. The listed phone number is (312) 633-5841.

What is Karen O' Connor Perla's specialty?

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

Is Karen O' Connor Perla enrolled in Medicare?

Yes. Karen O' Connor Perla is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Karen O' Connor Perla's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen O' Connor Perla reassigns Medicare benefits to 2 organizations: Primecare Community Health, Inc. (Chicago, IL) and Patient First Maryland Medical Group PLLC (Silver Spring, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen O' Connor Perla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen O' Connor Perla accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Karen O' Connor Perla as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen O' Connor Perla affiliated with any hospitals?

According to CMS data, Karen O' Connor Perla is affiliated with Presence Saints Mary And Elizabeth Medical Center.

When was this NPI record last updated?

The NPPES record for Karen O' Connor Perla was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.