Individual provider Active NPI

Jonathan Lee Bass, M.D.

  • Plastic Surgery Physician
  • New York, NY
National Provider Identifier
1487943981
Registry record updated Jun 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Plastic Surgery PhysicianTaxonomy code 208200000X
License
293507 Issued in NY
Practice address
462 1St Ave # A659
New York, NY 10016-9196
Phone
(646) 501-6784
NPI assigned
Apr 5, 2011
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery of the Hand (Plastic Surgery) Physician 2082S0105X 293507 NY
Plastic Surgery PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208200000X 293507 NY Primary

Addresses

Primary practice location

462 1St Ave # A659
New York, NY 10016-9196

Mailing address

462 1St Ave # A659
New York, NY 10016-9196
Phone (646) 501-6784

Electronic endpoints 2

TypeEndpointUseAffiliation
CONNECT URL https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Bluemark LLC / Office Ally
Direct Messaging Address jbass256876@nyumc.direct-ci.com

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
I20190827003107 NY Practitioner - Plastic and Reconstructive Surgery 2062639545 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Plastic and Reconstructive Surgery
Education
Tufts University School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Practice addresses (Care Compare)

111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700

150 55TH St
Brooklyn, NY 11220-2508
Phone (718) 630-7000

16 TH St and 1St Ave
New York, NY 10003-3804
Phone (212) 420-2000

301 E 17TH St
New York, NY 10003-3804
Phone (212) 263-7300

530 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

550 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

560 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

97 Amity St
Brooklyn, NY 11201-6004
Phone (212) 598-6784

Hospital & facility affiliations

  • NYU Langone Hospitals Hospital, New York, NY, CCN 330214

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper limb (arm) arthroscopy (minimally invasive joint repair)11
Melanoma (skin cancer) excision1-10
Removal of tissue1-10
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
293507NYMDSurgery of the Hand (Plastic Surgery) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
New York University CurrentSince Sep 1, 2019 Accepting new patients
New York University Single Specialty CurrentSince Sep 1, 2019 Accepting new patients
NYU Langone Hospitals Past Accepting new patients
New York City Health and Hospitals Corporation Past Accepting new patients

Locations

70 Atlantic Ave
Fl 2
Brooklyn, NY 11201
Phone (929) 455-2500

6740 4th Ave
Fl 3
Brooklyn, NY 11220
Phone (929) 455-2000

14 Wall St
Fl 9
Wall Street, NY 10005
Phone (646) 501-3224

Networks

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

Interoperability endpoints

  • Direct secure messaging: jbass672672@nychhc.direct-ci.com
  • Direct secure messaging: jbass256876@nyumc.direct-ci.com

Organizations & group practices 4

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 7

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": "1301961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1487943981",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "462 1ST AVE # A659",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100169196",
            "telephone_number": "646-501-6784"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "462 1ST AVE # A659",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100169196",
            "telephone_number": "646-501-6784"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BASS",
        "first_name": "JONATHAN",
        "middle_name": "LEE",
        "name_prefix": "Mr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-04-05",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2082S0105X",
            "taxonomy_group": "",
            "desc": "Plastic Surgery, Surgery of the Hand",
            "state": "NY",
            "license": "293507",
            "primary": false
        },
        {
            "code": "208200000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Plastic Surgery",
            "state": "NY",
            "license": "293507",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jbass256876@nyumc.direct-ci.com",
            "affiliation": "N",
            "address_1": "6740 4th Ave Fl 3",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112205350",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.