John Bernard Fiddler, N.P.

Primary specialty

Adult Health Clinical Nurse SpecialistTaxonomy code 364SA2200X

License

F304117-1 Issued in NY

Practice address

1770 Madison Ave FL 1
New York, NY 10035-4787

Phone

(212) 402-6107

Fax

(212) 824-2313

NPI assigned

May 9, 2008

Last updated

May 2, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Icahn School of Medicine at Mount Sinai

  dba Geriatric Medicine Department of Mount Sinai

  • Geriatric Medicine (Internal Medicine) Physician
  • New York, NY
  • NPI 1689947160
  Medicare reassignment NPD

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

{
    "created_epoch": "1210291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746144000000",
    "number": "1710154760",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "360 W 22ND ST APT 7P",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100112630",
            "telephone_number": "646-638-2809"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1770 MADISON AVE FL 1",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100354787",
            "telephone_number": "212-402-6107",
            "fax_number": "212-824-2313"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIDDLER",
        "first_name": "JOHN",
        "middle_name": "BERNARD",
        "name_prefix": "Mr.",
        "credential": "N.P.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-05-09",
        "last_updated": "2025-05-02",
        "certification_date": "2025-05-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "364SA2200X",
            "taxonomy_group": "",
            "desc": "Clinical Nurse Specialist, Adult Health",
            "state": "NY",
            "license": "F304117-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Heather Fichtel, PSY.D.
• Katherine Fichtel
• Paul Fick, ATC
• Julia Fickenscher, RDN
• Chloe Fico, LMSW
• Ryan Fiddler, CRNA
• Alexandra Mae Bontuyan Fidellaga, CRNA
• Leila Hing Fidelman, FNP
• Lloyd Fider, LCSW
• Fidi Chiropractic P.C.

• Adult Health Clinical Nurse Specialist in New York, NY
• Providers in New York, NY by specialty
• Adult Health Clinical Nurse Specialist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.