Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ATA M KAYNAR M.D.
NPI 1588601223
Anesthesiology - Critical Care Medicine in Boston, MA

Active since June 01, 2006PECOS EnrolledAccepts Medicare Assignment
77.5/100
CMS Quality Rating
330 BROOKLINE AVE, ST. 308 BETH ISRAEL DEACONESS MED CTR, BOSTON, MA 02215(617) 667-4700 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Ata M Kaynar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ATA M KAYNAR M.D. (NPI 1588601223) is an individual critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (156888) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Upmc Mercy, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1588601223
Entity TypeIndividualMale
Primary Taxonomy207LC0200X
Provider Legal NameATA M KAYNARCredential: M.D.
Location Address330 BROOKLINE AVE, ST. 308 BETH ISRAEL DEACONESS MED CTRBoston, MA 02215-5400
Mailing Address11 Verndale St, #1Brookline, MA 02446-2415 · (617) 667-4700
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJune 1, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1588601223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License Licensed in MA · 156888
Definition
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
330 BROOKLINE AVE, Boston, MA 02215

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ata M Kaynar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082612072
PECOS Enrollment IDI20061130000199
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
186 services94 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
18 services18 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
15 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Upmc Mercy

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390028
Location1400 Locust StreetPittsburgh, PA 15219 · Allegheny County
Emergency services

Upmc Presbyterian Shadyside

Acute Care Hospitals · Pittsburgh, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390164
Location200 Lothrop StreetPittsburgh, PA 15213 · Allegheny County
Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.61
Promoting Interoperability100
Improvement Activities40
Cost56.4

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Chronic Disease Hospital (Children)
330 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215
Dermatology
330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215
Anesthesiology
330 BROOKLINE AVE
BOSTON, MA 02215
Psychologist (Clinical)
330 BROOKLINE AVE
BOSTON, MA 02215
Hospitalist
330 BROOKLINE AVE
BOSTON, MA 02215
Obstetrics & Gynecology (Gynecologic Oncology)
330 BROOKLINE AVE, KIRSTEIN 3
BOSTON, MA 02215
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE
BOSTON, MA 02215

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ata Kaynar's NPI number?

The NPI number for Ata Kaynar is 1588601223. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Where is Ata Kaynar located?

Ata Kaynar practices at 330 Brookline Ave St. 308 Beth Israel Deaconess Med Ctr, Boston, MA 02215. The listed phone number is (617) 667-4700.

What is Ata Kaynar's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

Is Ata Kaynar enrolled in Medicare?

Yes. Ata Kaynar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Ata Kaynar affiliated with any hospitals?

According to CMS data, Ata Kaynar is affiliated with Upmc Mercy and Upmc Presbyterian Shadyside.

When was this NPI record last updated?

The NPPES record for Ata Kaynar was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.