Active NPI
Robert Stephen Holzman, M.D
- Infectious Disease Physician
- New York, NY
National Provider Identifier
1689677007
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- 101205
- Practice address
- Department of Medicine, NYU School of Medicine
550 First Ave
New York, NY 10016 - Phone
- (212) 263-6402
- Fax
- (212) 263-7369
- NPI assigned
- May 31, 2005
- 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 |
|---|---|---|---|---|
| Infectious Disease Physician | 207RI0200X | 101205 | NY | Primary |
Addresses
Primary practice location
Department of Medicine, NYU School of Medicine
550 First Ave
New York, NY 10016
Mailing address
Department of Medicine, NYU School of Medicine
550 First Ave
New York, NY 10016
Phone (212) 263-6402
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 101205 | NY | MD | Clinical Social Worker |
Interoperability endpoints
- rholzman676809@nychhc.direct-ci.com
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1117497600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1689677007",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "DEPARTMENT OF MEDICINE, NYU SCHOOL OF MEDICINE",
"address_2": "550 FIRST AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "10016",
"telephone_number": "212-263-6402",
"fax_number": "212-263-7369"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "DEPARTMENT OF MEDICINE, NYU SCHOOL OF MEDICINE",
"address_2": "550 FIRST AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "10016",
"telephone_number": "212-263-6402",
"fax_number": "212-263-7369"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOLZMAN",
"first_name": "ROBERT",
"middle_name": "STEPHEN",
"name_prefix": "Dr.",
"credential": "M.D",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-05-31",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "NY",
"license": "101205",
"primary": true
}
],
"identifiers": [],
"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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.