Individual provider Active NPI

Nicholas Fifelski

  • Foot & Ankle Surgery Podiatrist
  • Frederick, MD
National Provider Identifier
1740819457
Registry record updated Jan 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Foot & Ankle Surgery PodiatristTaxonomy code 213ES0103X
License
01756 Issued in MD
Practice address
141 Thomas Johnson Dr Ste 170
Frederick, MD 21702-4530
Phone
(301) 668-9707
Fax
(301) 668-4927
NPI assigned
Apr 4, 2020
Last updated
Jan 28, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 28, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Foot & Ankle Surgery Podiatrist 213ES0103X 01756 MD Primary

Addresses

Primary practice location

141 Thomas Johnson Dr Ste 170
Frederick, MD 21702-4530

Mailing address

141 Thomas Johnson Dr Ste 170
Frederick, MD 21702-4530
Phone (301) 668-9707

Other practice location 1

123 Health Care Ln
Martinsburg, WV 25401-4008
Phone (877) 668-0008

Other practice location 2

3430 Worthington Blvd Ste 201
Urbana, MD 21704-7019
Phone (301) 668-9707

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC, WV3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20230522001009 MD Practitioner - Podiatry 2668895673 Reassigns benefits to 2 organizations
I20260108000488 DC Practitioner - Podiatry 2668895673 Reassigns benefits to 1 organization
I20260207000662 WV Practitioner - Podiatry 2668895673 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Podiatry
Education
Des Moines University of Osteopathic Medicine and Health Sciences, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
John G Deleonibus DpmpaGroup PAC ID 1153476031, 3 clinicians

Practice addresses (Care Compare)

123 Health Care LN
Martinsburg, WV 25401-4008
Phone (301) 668-9707

141 Thomas Johnson Dr
Suite 170
Frederick, MD 21702-4530
Phone (301) 668-9707

19801 Observation Dr
Germantown, MD 20876-4070
Phone (240) 575-2222

2086 Generals Hwy
Suite 101
Annapolis, MD 21401-6796
Phone (410) 266-7666

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue392
Removal of skin lesions1-10
Removal of nail tissue229
Removal or shaving of skin growth167
Skin biopsy1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
01756MDMDOccupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Foot and Ankle Specialists, P.C. Foot & Ankle Surgery CurrentSince Jan 1, 2026 Accepting new patients
Frederick Foot and Ankle Specialists PC Foot & Ankle Surgery CurrentSince Dec 24, 2025 Accepting new patients
John G. Deleonibus, D.P.M. PA Foot & Ankle Surgery CurrentSince Jul 3, 2023 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Frederick Foot and Ankle Specialists PastSince Dec 24, 2025 Accepting new patients

Locations

2086 Generals Hwy
Ste 101
Annapolis, MD 21401
Phone (410) 226-7666

141 Thomas Johnson Dr
Ste 170
Frederick, MD 21702
Phone (301) 668-9707

19801 Observation Dr
Germantown, MD 20876
Phone (301) 557-5928

3430 Worthington Blvd
Ste 201
Urbana, MD 21704
Phone (301) 668-9707

123 Health Care Ln
Martinsburg, WV 25401
Phone (301) 668-9707

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/IDEBDD

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1585958400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1740819457",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "141 THOMAS JOHNSON DR STE 170",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024530",
            "telephone_number": "301-668-9707",
            "fax_number": "301-668-4927"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "141 THOMAS JOHNSON DR STE 170",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024530",
            "telephone_number": "301-668-9707",
            "fax_number": "301-668-4927"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "123 Health Care Ln",
            "address_purpose": "LOCATION",
            "city": "Martinsburg",
            "state": "WV",
            "postal_code": "254014008",
            "country_code": "US",
            "telephone_number": "877-668-0008",
            "fax_number": "301-668-4927",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3430 Worthington Blvd Ste 201",
            "address_purpose": "LOCATION",
            "city": "Urbana",
            "state": "MD",
            "postal_code": "217047019",
            "country_code": "US",
            "telephone_number": "301-668-9707",
            "fax_number": "301-668-4927",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FIFELSKI",
        "first_name": "NICHOLAS",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-04",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "213ES0103X",
            "taxonomy_group": "",
            "desc": "Podiatrist, Foot & Ankle Surgery",
            "state": "MD",
            "license": "01756",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Frederick, MD

Sources for this page

Verify at the official NPI Registry.