Individual provider Active NPI

Ata M Kaynar, M.D.

  • Critical Care Medicine (Anesthesiology) Physician
  • Boston, MA
National Provider Identifier
1588601223
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Anesthesiology) PhysicianTaxonomy code 207LC0200X
License
156888 Issued in MA
Practice address
330 Brookline Ave
St. 308 Beth Israel Deaconess Med Ctr
Boston, MA 02215-5400
Phone
(617) 667-4700
NPI assigned
Jun 1, 2006
Last updated
Jul 13, 2026By the provider in NPPES
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
Critical Care Medicine (Anesthesiology) Physician 207LC0200X 156888 MA Primary

Addresses

Primary practice location

330 Brookline Ave
St. 308 Beth Israel Deaconess Med Ctr
Boston, MA 02215-5400

Mailing address

11 Verndale St
#1
Brookline, MA 02446-2415
Phone (617) 667-4700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20061130000199 PA Practitioner - Critical Care (Intensivists)Practitioner - Anesthesiology 4082612072 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Anesthesiology
Education
Other, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Pittsburgh PhysiciansGroup PAC ID 8729990239, 4,166 clinicians

Practice addresses (Care Compare)

1400 Locust St
Pittsburgh, PA 15219-5114
Phone (412) 647-2200

2 Hot Meal St
Pittsburgh, PA 15203-2348

200 Lothrop St
Pittsburgh, PA 15213-2536

3459 5TH Ave
Pittsburgh, PA 15213-3236
Phone (412) 648-6161

3550 Terrace St
641A Scaife Hall
Pittsburgh, PA 15261
Phone (412) 647-8977

5230 Centre Ave
Pittsburgh, PA 15232-1304

815 Freeport Rd
Pittsburgh, PA 15215-3399
Phone (412) 784-4396

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
80.94 of 100Reported as group
Quality
61.89
Promoting interoperability
100
Improvement activities
40
Cost
74.58

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
156888MAMDCritical Care Medicine (Anesthesiology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Susquehanna Physician Services CurrentSince Sep 18, 2020 Accepting new patients
Susquehanna Physician Services CurrentSince Sep 18, 2020 Accepting new patients
University of Pittsburgh Physicians Critical Care Medicine CurrentSince Nov 1, 2006 Accepting new patients
University of Pittsburgh Physicians CurrentSince Nov 1, 2006 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients
Susquehanna Physician Services CurrentSince Jan 1, 2025 Accepting new patients
Upmc Presbyterian Shadyside Past Accepting new patients

Locations

200 Lothrop St
Pittsburgh, PA 15213
Phone (412) 647-3553

3550 Ter St
Pittsburgh, PA 15261
Phone (412) 647-8977

815 Freeport Rd
Pittsburgh, PA 15215
Phone (412) 784-4000

1100 Grampian Blvd
Williamsport, PA 17701
Phone (570) 326-8005

1100 Grampian Blvd
#P
Williamsport, PA 17701
Phone (570) 326-8457

1201 Grampian Blvd
Williamsport, PA 17701
Phone (570) 326-8723

700 High St
Williamsport, PA 17701
Phone (570) 321-2000

Interoperability endpoints

  • Direct secure messaging: akaynar425084@upmc.direct-ci.com
  • Direct secure messaging: ata.m.kaynar@upmcdirect.com

Organizations & group practices 7

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

Hospital & facility affiliations 9

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": "1149120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1588601223",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11 VERNDALE ST",
            "address_2": "#1",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024462415",
            "telephone_number": "617-667-4700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "address_2": "ST. 308 BETH ISRAEL DEACONESS MED CTR",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155400",
            "telephone_number": "617-667-4700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KAYNAR",
        "first_name": "ATA",
        "middle_name": "M",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "MA",
            "license": "156888",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.