Individual provider Active NPI

Diego A Diaz, MD

  • Pulmonary Disease Physician
  • New York, NY
National Provider Identifier
1942270467
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
211166 Issued in NY
Practice address
110 E 59TH St
Suite 9C
New York, NY 10022-1304
Phone
(212) 583-2850
Fax
(212) 644-8666
NPI assigned
Jan 26, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X 211166 NY Primary

Addresses

Primary practice location

110 E 59TH St
Suite 9C
New York, NY 10022-1304

Mailing address

110 E 59TH St
Suite 9C
New York, NY 10022-1304
Phone (212) 583-2850

Other identifiers 2

IdentifierTypeStateIssuer
01884284MedicaidNY
211166OtherNYLICENSE

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040301000003 NY Practitioner - Sleep MedicinePractitioner - Internal MedicinePractitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 6901793520 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Sleep MedicineAlso: Critical Care (Intensivists), Internal Medicine
Education
Other, 1989
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Diego a Diaz MD PCGroup PAC ID 7416230206, 2 clinicians
Lifeline Medical Testing PLLCGroup PAC ID 1557726767, 2 clinicians

Practice addresses (Care Compare)

1041 3Rd Ave
Suite 203
New York, NY 10065-8114
Phone (212) 583-2969

40 Ormond St
Dix Hills, NY 11746-6333
Phone (718) 224-2141

651 A Coney Island Ave
Brooklyn, NY 11218-4306
Phone (718) 676-6455

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.54 of 100Reported as individual
Quality
100
Improvement activities
40
Cost
85.15

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Lifeline Medical Testing PLLC Pulmonary Disease CurrentSince Apr 1, 2023 Accepting new patients
Sleep and Breathing Disorders Medicine PLLC Pulmonary Disease CurrentSince Oct 21, 2012 Accepting new patients
Diego a Diaz MD PC Pulmonary Disease CurrentSince Nov 21, 2016 Accepting new patients
Sunset Sleep Diagnostics, LLC CurrentSince Dec 1, 2011 Accepting new patients
Dac Physician Services,PC PastSince May 3, 2004 Accepting new patients
Park Lenox Medical, PC Past Accepting new patients

Locations

651 Coney Island Ave
Fl 2
Brooklyn, NY 11218
Phone (718) 676-6455

651 Coney Island Ave
Ste A
Brooklyn, NY 11218
Phone (718) 676-6455

1041 3rd Ave
Ste 203
New York, NY 10065
Phone (212) 583-2899

Networks

  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989

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 19

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

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1138233600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1942270467",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 E 59TH ST",
            "address_2": "SUITE 9C",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100221304",
            "telephone_number": "212-583-2850",
            "fax_number": "212-644-8666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 E 59TH ST",
            "address_2": "SUITE 9C",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100221304",
            "telephone_number": "212-583-2850",
            "fax_number": "212-644-8666"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "DIEGO",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "NY",
            "license": "211166",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01884284",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "211166",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.