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OAK DERMATOLOGY LLC
NPI 1487168258
Dermatology - MOHS-Micrographic Surgery in Itasca, IL

Active since November 30, 2017CLIA Certified · 3 labs
550 E DEVON AVE STE 200, ITASCA, IL 60143(864) 625-3376(855) 792-2250 Get Directions Write a Review

NPPES record last updated: October 11, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 11, 2018, Nov 30, 2017 (2 updates tracked since 2017).

About Oak Dermatology Llc NPPES

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

OAK DERMATOLOGY LLC (NPI 1487168258) is a healthcare organization registered as a mohs-micrographic surgery in Itasca, Illinois and active in the NPI registry since November 2017. The organization holds 3 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Ashish Bhatia, Part Owner, as its authorized official.

NPPES Registry Identity

NPI1487168258
Entity TypeOrganization
Primary Taxonomy207ND0101X
Legal Business NameOAK DERMATOLOGY LLC
Location Address550 E DEVON AVE STE 200Itasca, IL 60143-2639
Mailing Address2496 Stonehenge DrAurora, IL 60502-4702
Phone(864) 625-3376
Fax(855) 792-2250
Organization SubpartNo
Authorized OfficialAshish BhatiaPart Owner · (864) 625-3376
Enumeration DateNovember 30, 2017
Last NPPES UpdateOctober 11, 20182 updates tracked since enumeration
✔ NPI 1487168258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207ND0101X
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.
550 E DEVON AVE STE 200, Itasca, IL 60143
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Secondary Practice Locations 2

Location 12496 Stonehenge DrAurora, IL 60502-4702 · Phone (330) 324-6200
Location 23100 Theodore St Ste 202Joliet, IL 60435-0605 · Phone (864) 625-3376 · Fax (855) 792-2250

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oak Dermatology Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

16

Medicare enrollment records show 16 clinicians reassign Medicare billing to Oak Dermatology LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 5

Dermatology9
Nurse Practitioner3
Pathology2
Micrographic Dermatologic Surgery (MDS)1
Plastic and Reconstructive Surgery1

Clinicians, nearest first (16)

Nour Al-Hadidi, MD
Dermatology
NPI 1285014860
550 E DEVON AVE STE 200
Itasca, IL 60143
(864) 625-3376
✔ PECOS✔ Accepts MedicareSame address
Kyle Bhatia, MD
Dermatology
NPI 1942838289
550 E DEVON AVE STE 200
Itasca, IL 60143
(864) 625-3376
✔ PECOS✔ Accepts MedicareSame address
Joseph Daw, MD, DDS
Plastic and Reconstructive Surgery
NPI 1982679015
550 E DEVON AVE STE 200
Itasca, IL 60143
(864) 625-3376
✔ PECOS✔ Accepts MedicareSame address
Te-Shao Hsu, MD
Dermatology
NPI 1255300042
550 E DEVON AVE STE 200
Itasca, IL 60143
(864) 625-3376
✔ PECOS✔ Accepts MedicareSame address
Ashish Bhatia, M.D.
Dermatology
NPI 1073595690
550 E DEVON AVE STE 200
Itasca, IL 60143
(864) 625-3376
✔ PECOS✔ Accepts Medicare0.1 mi
Julie Moore, M.D.
Dermatology
NPI 1053373589
501 W NORTH AVE STE 103
Melrose Park, IL 60160
(708) 450-5086
✔ PECOS✔ Accepts Medicare10 mi
Sharon Fang, MD
Dermatology
NPI 1821063223
908 N ELM ST STE 202
Hinsdale, IL 60521
(630) 286-5050
✔ PECOS✔ Accepts Medicare13 mi
Tracy Campbell, M.D.
Micrographic Dermatologic Surgery (MDS)
NPI 1598921249
501 W NORTH AVE STE 103
Melrose Park, IL 60160
(708) 450-5086
✔ PECOS✔ Accepts Medicare13 mi
Eugen Minca, MD
Pathology
NPI 1861790362
2155 CITY GATE LN
Naperville, IL 60563
(630) 469-9200
✔ PECOS✔ Accepts Medicare16 mi
Emily Schnurstein, APN
Nurse Practitioner
NPI 1487167839
2155 CITY GATE LN STE 225
Naperville, IL 60563
(630) 547-5040
✔ PECOS✔ Accepts Medicare16 mi
Rachel Sulfridge
Nurse Practitioner
NPI 1144951989
2135 CITY GATE LN STE 350
Naperville, IL 60563
(864) 625-3376
✔ PECOS✔ Accepts Medicare16 mi
Timothy Wysozan, MD
Pathology
NPI 1992202717
1220 HOBSON RD STE 244
Naperville, IL 60540
(630) 780-7729
✔ PECOS✔ Accepts Medicare17 mi
Anthony Janiga, M.D.
Dermatology
NPI 1992884167
1012 95TH ST SUITE 1
Naperville, IL 60564
(630) 236-4315
✔ PECOS✔ Accepts Medicare21 mi
Allison Simek, APN, FNP-C
Nurse Practitioner
NPI 1275206583
24600 W 127TH ST STE 335
Plainfield, IL 60585
(815) 676-6716
✔ PECOS✔ Accepts Medicare26 mi
Jessica Kappelman, MD, MPH
Dermatology
NPI 1376707448
24600 W 127TH ST BUILDING B SUITE 335
Plainfield, IL 60585
(815) 676-6716
✔ PECOS✔ Accepts Medicare26 mi
Kelly Abate, M.D.
Dermatology
NPI 1528141116
1890 SILVER CROSS BLVD STE 505
New Lenox, IL 60451
(708) 424-0656
✔ PECOS✔ Accepts Medicare31 mi

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

CLIA Laboratory Certificates CMS CLIA 3

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 14D2142114

Oak Dermatology - Itasca · Itasca, IL
Active · expires Jun 7, 2028
CLIA Number14D2142114
Laboratory TypePhysician Office
Certificate Effective DateJune 8, 2026
Certificate Expiration DateJune 7, 2028
Laboratory DirectorAshish Bhatia
Laboratory Phone(864) 625-3376
Laboratory LocationOak Dermatology - Itasca550 E Devon Ave - Suite 200, Itasca, IL 60143
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Compliance 14D2151812

Oak Dermatology - Joliet · Joliet, IL
Active · expires Apr 8, 2027
CLIA Number14D2151812
Laboratory TypePhysician Office
Certificate Effective DateApril 9, 2025
Certificate Expiration DateApril 8, 2027
Laboratory DirectorAshish C. Bhatia M D
Laboratory Phone(864) 625-3376
Laboratory LocationOak Dermatology - Joliet3100 Theodore St, Suite 202 And 203, Joliet, IL 60435
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Compliance 14D2178431

Oak Dermatology - Naperville · Naperville, IL
Active · expires Jun 28, 2027
CLIA Number14D2178431
Laboratory TypePhysician Office
Certificate Effective DateJune 29, 2025
Certificate Expiration DateJune 28, 2027
Laboratory DirectorKarl Napekoski
Laboratory Phone(864) 625-3376
Laboratory LocationOak Dermatology - Naperville2135 Citygate Ln - Suite 350, Naperville, IL 60563
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Oak Dermatology LLC's NPI number?

The NPI number for Oak Dermatology LLC is 1487168258. It was assigned to this organization in the NPPES registry on November 30, 2017.

Where is Oak Dermatology LLC located?

Oak Dermatology LLC is located at 550 E Devon Ave Ste 200, Itasca, IL 60143. The listed phone number is (864) 625-3376.

What is Oak Dermatology LLC's specialty?

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

Is Oak Dermatology LLC enrolled in Medicare?

Yes. Oak Dermatology LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oak Dermatology LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 16 clinicians in 5 Medicare specialties reassign their Medicare billing to Oak Dermatology LLC. A 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 the clinician's services. The largest specialties are Dermatology (9), Nurse Practitioner (3) and Pathology (2). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Oak Dermatology LLC hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Oak Dermatology LLC was last updated on October 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.