Active NPI
Diego A Diaz, MD
- Pulmonary Disease Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pulmonary Disease Physician
- License
- 211166
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01884284 | Medicaid | NY | |
| 211166 | Other | NY | LICENSE |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Sleep Medicine
- Education
- Other, 1989
- Medicare assignment
- May accept Medicare assignment
- Telehealth
- Offers telehealth services
- Group practices
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
- VNS of Ny Home Care Chha
- Constellation Home Care
- Lenox Hill Hospital
- Suny/Stony Brook University Hospital
- Hospital for Special Surgery
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.54 of 100
- Quality
- 100
- Improvement activities
- 40
- Cost
- 85.15
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lifeline Medical Testing PLLC | Pulmonary Disease | Current | Accepting new patients |
| Sleep and Breathing Disorders Medicine PLLC | Pulmonary Disease | Current | Accepting new patients |
| Diego a Diaz MD PC | Pulmonary Disease | Current | Accepting new patients |
| Sunset Sleep Diagnostics, LLC | Current | Accepting new patients | |
| Dac Physician Services,PC | Past | 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.
-
- Pulmonary Disease Physician
- New York, NY
- NPI 1689122913
-
- Pulmonary Disease Physician
- New York, NY
- NPI 1114634482
-
- Sleep Medicine (Internal Medicine) Physician
- Brooklyn, NY
- NPI 1770861031
Pulmonary Disease
-
- Sleep Medicine (Internal Medicine) Physician
- Brooklyn, NY
- NPI 1336427681
-
- Physical Medicine & Rehabilitation Physician
- New York, NY
- NPI 1083732663
-
- Internal Medicine Physician
- New York, NY
- NPI 1043386071
Hospital & facility affiliations 19
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Syosset, NY
- NPI 1841629698
-
- General Acute Care Hospital
- New York, NY
- NPI 1477616571
-
dba HSS West Side
- Radiology Clinic/Center
- New York, NY
- NPI 1376032029
Hospital
-
dba HSS Brooklyn Outpatient Center
- Radiology Clinic/Center
- Brooklyn, NY
- NPI 1487200408
Hospital
-
dba HSS Hudson Yards
- Radiology Clinic/Center
- New York, NY
- NPI 1801443619
Hospital
-
dba HSS Southampton
- Radiology Clinic/Center
- Southampton, NY
- NPI 1023705803
Hospital
-
dba Hospital for Special Surgery
- General Acute Care Hospital
- New York, NY
- NPI 1598703019
-
dba Hospital for Special Surgery
- Radiology Clinic/Center
- Uniondale, NY
- NPI 1629504501
Hospital
-
dba Stony Brook Southampton Hospital
- General Acute Care Hospital
- Southampton, NY
- NPI 1033224704
-
- General Acute Care Hospital
- Southampton, NY
- NPI 1225507114
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.