1. Home
  2. Directory
  3. Florida
  4. Leesburg
  5. Dermatology
  6. NPI Profile

MACINNIS DERMATOLOGY
NPI 1992035695
Dermatology - MOHS-Micrographic Surgery in Leesburg, FL

Active since January 04, 2010CLIA Certified · 3 labs
27950 US HIGHWAY 27, LEESBURG, FL 34748(352) 350-5230(866) 539-7193 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Macinnis Dermatology NPPES

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

MACINNIS DERMATOLOGY (NPI 1992035695) is a healthcare organization registered as a mohs-micrographic surgery in Leesburg, Florida and active in the NPI registry since January 2010. The organization holds 3 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Colleen Macinnis, Owner, as its authorized official.

NPPES Registry Identity

NPI1992035695
Entity TypeOrganization
Primary Taxonomy207ND0101X
Legal Business NameMACINNIS DERMATOLOGY
Location Address27950 US HIGHWAY 27Leesburg, FL 34748-9050
Mailing AddressPo Box 490558Leesburg, FL 34749-0558 · (352) 350-5230
Phone(352) 350-5230
Fax(866) 539-7193
Organization SubpartNo
Authorized OfficialColleen MacinnisOwner · (352) 350-5230
Enumeration DateJanuary 4, 2010
Last NPPES UpdateMarch 17, 2018
✔ NPI 1992035695 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207ND0101X
License✔ Licensed in FL · ME100399
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.
27950 US HIGHWAY 27, Leesburg, FL 34748
Open in Google Maps ↗

Secondary Practice Locations 3

Location 117521 US Highway 27, Suite 21Mt Dora, FL 32757-3275 · Phone (352) 350-5230 · Fax (352) 350-5230
Location 21950 Laurel Manor Dr Ste 124The Villages, FL 32162-5602 · Phone (352) 350-5230 · Fax (866) 539-7193
Location 34120 Corley Island Rd, Suite 600Leesburg, FL 34748-8292 · Phone (352) 350-5230

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

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

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Macinnis Dermatology, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Colleen Macinnis, MD
Dermatology
NPI 1700828290
27950 US HIGHWAY 27
Leesburg, FL 34748
(813) 321-1786
✔ PECOS✔ Accepts MedicareSame address
Chris Narsesian, NP
Nurse Practitioner
NPI 1073159513
27950 US HIGHWAY 27
Leesburg, FL 34748
(813) 321-1786
✔ PECOS✔ Accepts MedicareSame address
Shana Schroeder, DO
Dermatology
NPI 1790056711
27950 US HIGHWAY 27
Leesburg, FL 34748
(813) 321-1786
✔ PECOS✔ Accepts MedicareSame address
George Vonhilsheimer, M.D.
Dermatology
NPI 1063519254
1950 LAUREL MANOR DR STE 124
The Villages, FL 32162
(813) 321-1786
✔ PECOS✔ Accepts Medicare14 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 10D2018162

Macinnis Dermatology · Leesburg, FL
Active · expires Sep 19, 2027
CLIA Number10D2018162
Laboratory TypePhysician Office
Certificate Effective DateSeptember 20, 2025
Certificate Expiration DateSeptember 19, 2027
Laboratory DirectorDr. Colleen R. Macinnis
Laboratory Phone(352) 350-5230
Laboratory LocationMacinnis Dermatology27950 Us Hwy 27, Leesburg, FL 34748
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 10D2152108

Macinnis Dermatology · The Villages, FL
Active · expires Sep 19, 2027
CLIA Number10D2152108
Laboratory TypePhysician Office
Certificate Effective DateSeptember 20, 2025
Certificate Expiration DateSeptember 19, 2027
Laboratory DirectorDr. Colleen R. Macinnis
Laboratory Phone(352) 350-5230
Laboratory LocationMacinnis Dermatology1950 Laurel Manor Dr Ste 124, The Villages, FL 32162
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 10D2004968

Macinnis Dermatology · Mount Dora, FL
Active · expires Sep 19, 2027
CLIA Number10D2004968
Laboratory TypePhysician Office
Certificate Effective DateSeptember 20, 2025
Certificate Expiration DateSeptember 19, 2027
Laboratory DirectorDr. Colleen Macinnis
Laboratory Phone(352) 350-5230
Laboratory LocationMacinnis Dermatology17521 Us Hwy 441 Ste 21, Mount Dora, FL 32757
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 Macinnis Dermatology's NPI number?

The NPI number for Macinnis Dermatology is 1992035695. It was assigned to this organization in the NPPES registry on January 4, 2010.

Where is Macinnis Dermatology located?

Macinnis Dermatology is located at 27950 Us Highway 27, Leesburg, FL 34748. The listed phone number is (352) 350-5230.

What is Macinnis Dermatology's specialty?

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

Is Macinnis Dermatology enrolled in Medicare?

Yes. Macinnis Dermatology is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Macinnis Dermatology?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Macinnis Dermatology. 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 (3) and Nurse Practitioner (1). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Macinnis Dermatology 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 Macinnis Dermatology was last updated on March 17, 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.