DR. KATHERINE MARIE MERCY MD
NPI 1134385255
Dermatology - MOHS-Micrographic Surgery in Naperville, IL

Active since July 29, 2008PECOS EnrolledAccepts Medicare Assignment
83.31/100
CMS Quality Rating
1520 BOND ST, NAPERVILLE, IL 60563(630) 357-7536(630) 904-0413 Get Directions Write a Review

NPPES record last updated: July 25, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 25, 2022, Jul 5, 2022, Jun 8, 2022 and 3 more (6 updates tracked since 2020).

About Dr. Katherine Marie Mercy Md NPPES

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

DR. KATHERINE MARIE MERCY MD (NPI 1134385255) is an individual mohs-micrographic surgery provider in Naperville, Illinois, licensed in Illinois (036.127624) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1134385255
Entity TypeIndividualFemale
Primary Taxonomy207ND0101X
Provider Legal NameDR. KATHERINE MARIE MERCYCredential: MD
Location Address1520 BOND STNaperville, IL 60563-2358
Mailing Address801 York StManitowoc, WI 54220-4630 · (920) 663-9008 · Fax (920) 684-1439
Fax(630) 904-0413
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2008
Enumeration DateJuly 29, 2008
Last NPPES UpdateJuly 25, 20226 updates tracked since enumeration
NPPES CertifiedJuly 25, 2022
NPI 1134385255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207ND0101X
Licenses Licensed in IL · 036.127624 Licensed in VA · 0101262264
Definition
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.
Also ListedDermatologyTaxonomy 207N00000X · License 036.127624 (IL), 0101262264 (VA)
1520 BOND ST, Naperville, IL 60563

Secondary Practice Locations 2

Location 13253 S Harlem Ave Ste 1ABerwyn, IL 60402-3073 · Phone (708) 788-3885 · Fax (708) 788-6884
Location 22051 Plainfield RdCrest Hill, IL 60403-1865 · Phone (815) 741-4343 · Fax (815) 741-8660

Accepted Insurance

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. Katherine Marie Mercy Md 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 ID4587954839
PECOS Enrollment IDI20220809001724
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 17

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.

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311
This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.
359 services313 patients
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312
This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.
128 services94 patients
Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm 12052
This procedure involves repairing a wound on the face, ears, eyelids, nose, lips, or mouth that measures between 2.6-5.0 cm. The process includes cleaning, suturing if necessary, and dressing the wound to promote healing and prevent infection.
81 services79 patients
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.
71 services53 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
68 services51 patients
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032
This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.
51 services51 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60563 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
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.

83.31/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.38
Promoting Interoperability99
Improvement Activities40
Cost65.82

Reported Quality Measures

Biopsy Follow-Up
Percentage of new patients whose biopsy results have been reviewed and communicated to the primary care/referring physician and patient by the performing physician
72%69 patients3/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
96%541 patients4/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
30%289 patients2/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
99%1,114 patients4/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
77%210 patients4/55-star benchmark: 95%
Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling
Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user
91%126 patients4/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
99%1,114 patients4/55-star benchmark: 100%
Tobacco Use and Help with Quitting Among Adolescents
The percentage of adolescents 12 to 20 years of age with a primary care visit during the measurement year for whom tobacco use status was documented and received help with quitting if identified as a tobacco user
98%45 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

Dermatology
1520 BOND ST
NAPERVILLE, IL 60563

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 Katherine Mercy's NPI number?

The NPI number for Katherine Mercy is 1134385255. It was assigned to this individual provider in the NPPES registry on July 29, 2008.

Where is Katherine Mercy located?

Katherine Mercy practices at 1520 Bond St, Naperville, IL 60563. The listed phone number is (630) 357-7536.

What is Katherine Mercy's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Is Katherine Mercy enrolled in Medicare?

Yes. Katherine Mercy 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.

What insurance does Katherine Mercy accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Katherine Mercy 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 Katherine Mercy affiliated with any hospitals?

According to CMS data, Katherine Mercy is affiliated with Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Mercy was last updated on July 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.