Individual provider Active NPI

Lindsay Gail Frenkel, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Naples, FL
National Provider Identifier
1417375288
Registry record updated Jun 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
ME143936 Issued in FL
Practice address
350 7TH St N
Naples, FL 34102-5754
Phone
(631) 806-8228
Fax
(239) 624-8251
NPI assigned
Mar 31, 2014
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 12, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207L00000X 2019-01359 NC
Critical Care Medicine (Internal Medicine) Physician 207RC0200X ME143936 FL Primary

Addresses

Primary practice location

350 7TH St N
Naples, FL 34102-5754

Mailing address

PO Box 8569
Naples, FL 34101-8569

Other identifiers 2

IdentifierTypeStateIssuer
106020900MedicaidFL
I0IB8OtherFLBCBS

Other names 1

  • Dr. Lindsay Gail Sher Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200707002758 FL Practitioner - Critical Care (Intensivists) 1153635867 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Nchmd IncGroup PAC ID 9436139565, 503 clinicians

Practice addresses (Care Compare)

350 7TH St N
Naples Community Hospital
Naples, FL 34102-5754
Phone (239) 436-5100

Hospital & facility affiliations

  • Naples Community Hospital Hospital, Naples, FL, CCN 100018

Merit-based Incentive Payment System (MIPS)

Final score
95.25 of 100Reported as apm
Quality
87.73
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Premier Critical Care ,LLC Multi-Specialty CurrentSince Oct 1, 2021 Accepting new patients
Millennium Physician Group LLC Multi-Specialty CurrentSince Aug 28, 2020 Accepting new patients
Nchmd Inc Multi-Specialty CurrentSince Aug 15, 2020 Accepting new patients
Millennium Physician Group LLC Multi-Specialty CurrentSince Aug 28, 2020 Accepting new patients
Premier Inpatient Partners LLC Multi-Specialty CurrentSince Apr 6, 2021 Accepting new patients
Nchmd, Inc CurrentSince Aug 15, 2020 Accepting new patients

Locations

8340 Collier Blvd
Ste 307
Naples, FL 34114
Phone (239) 315-7123

350 7th St N
Naples, FL 34102
Phone (239) 436-5000

6101 Pine Ridge Rd
Fl 3
Naples, FL 34119
Phone (239) 304-5161

6101 Pine Ridge Rd
Naples, FL 34119
Phone (239) 348-4000

8300 Collier Blvd
Naples, FL 34114
Phone (239) 354-6000

680 2nd Ave N
Ste 304
Naples, FL 34102
Phone (239) 261-7711

3434 Hancock Bridge Pkwy
Ste 301
North Ft Myers, FL 33903
Phone 877856377411108

19531 Cochran Blvd
Pt Charlotte, FL 33948
Phone (941) 255-3535

Networks

  • Freedom Health HMO Network
  • Optimum HealthCare HMO Network

Interoperability endpoints

  • Direct secure messaging: lfrenkel19661@nchhealthcaresystem.direct-ci.com
  • FHIR API: https://api.platform.athenahealth.com/14267/brand/6/csg/1/fhir/r4

Organizations & group practices 6

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

Hospital & facility affiliations 1

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": "1396224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781222400000",
    "number": "1417375288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8569",
            "city": "NAPLES",
            "state": "FL",
            "postal_code": "341018569"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 7TH ST N",
            "city": "NAPLES",
            "state": "FL",
            "postal_code": "341025754",
            "telephone_number": "631-806-8228",
            "fax_number": "239-624-8251"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRENKEL",
        "first_name": "LINDSAY",
        "middle_name": "GAIL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-03-31",
        "last_updated": "2026-06-12",
        "certification_date": "2026-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Anesthesiology",
            "state": "NC",
            "license": "2019-01359",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "FL",
            "license": "ME143936",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "106020900",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "I0IB8",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LINDSAY",
            "last_name": "SHER",
            "middle_name": "GAIL",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Naples, FL

Sources for this page

Verify at the official NPI Registry.