Active NPI
Michael Kenneth Masseria, CRNA
- Certified Registered Nurse Anesthetist
- Stony Brook, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 686773
- Practice address
- Stony Brook University Medical Center
HSC Level 4 - Room 060
Stony Brook, NY 11794-8480 - Phone
- (631) 444-2975
- NPI assigned
- Feb 25, 2019
- Last updated
- Mar 12, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Acute Care Nurse Practitioner | 363LA2100X | 431879 | NY | |
| Certified Registered Nurse Anesthetist | 367500000X | 686773 | NY | Primary |
Addresses
Primary practice location
Stony Brook University Medical Center
HSC Level 4 - Room 060
Stony Brook, NY 11794-8480
Mailing address
Stony Brook University Medical Center
HSC Level 4 - Room 060
Stony Brook, NY 11794-8480
Phone (631) 444-2975
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- University of Missouri, Columbia School of Medicine, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Healthy Way
Oceanside, NY 11572-1551
Phone (516) 632-3000
1000 Montauk Hwy
West Islip, NY 11795-4927
Phone (631) 376-4444
301 E Main St
Bay Shore, NY 11706-8408
Phone (914) 666-8866
530 1St Ave
New York, NY 10016-6402
550 1St Ave
New York, NY 10016-6402
Phone (212) 263-6037
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.8 of 100
- Quality
- 91.79
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 75.18
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 431879 | NY | MD | Registered Nurse |
| 686773 | NY | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| New York University | Current | Accepting new patients | |
| Suffolk Anesthesiology Associates, PC | Current | Accepting new patients | |
| Long Island Digestive Endoscopy Center, LLC | Current | Accepting new patients | |
| Office Based Anesthesia LLC | Current | Accepting new patients | |
| Icahn School of Medicine at Mount Sinai | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Long Island Anesthesiologists, PLLC | Current | Accepting new patients | |
| New York University | Current | Accepting new patients | |
| Long Island Anesthesia Physicians LLP | Current | Accepting new patients | |
| New York University | Current | Accepting new patients | |
| University Hospital at Stony Brook | Current | Accepting new patients |
Locations
975 Stewart Ave
Garden City, NY 11530
Phone (516) 222-8600
310 E 14th St
New York, NY 10003
Phone (212) 979-4000
530 1st Ave
New York, NY 10016
Phone (212) 263-7216
1 Healthy Way
Oceanside, NY 11572
Phone (516) 255-1581
1500 Route 112
Bldg 5
Port Jefferson Station, NY 11776
Phone (631) 470-1450
200 Belle Terre Rd
Prt Jefferson, NY 11777
Phone (631) 474-6000
50 Route 25A
Smithtown, NY 11787
Phone (631) 465-6225
1000 Montauk Hwy
West Islip, NY 11795
Phone (516) 705-2689
Networks
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H3359
Interoperability endpoints
- michael.masseria@direct.stonybrookmedicine.edu
Organizations & group practices 11
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.
-
dba Mount Sinai Doctors GNY Anes Serv
- Anesthesiology Physician
- New York, NY
- NPI 1447008446
Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- West Islip, NY
- NPI 1528161171
-
- Otolaryngology Physician
- New York, NY
- NPI 1851456701
-
- Anesthesiology Physician
- Chappaqua, NY
- NPI 1417401266
-
- Anesthesiology Physician
- Rocky Point, NY
- NPI 1952387276
-
- Ambulatory Surgical Clinic/Center
- Port Jefferson Station, NY
- NPI 1235551052
-
- Anesthesiology Physician
- Smithtown, NY
- NPI 1407947617
-
- Anesthesiology Physician
- Smithtown, NY
- NPI 1194826420
-
- General Acute Care Hospital
- Stony Brook, NY
- NPI 1972523348
-
dba NYU Langone Ambulatory Care Chelsea
- Physical Medicine & Rehabilitation Physician
- Boynton Beach, FL
- NPI 1104787613
-
dba NYU Anesthesia Associates
- Anesthesiology Physician
- Boynton Beach, FL
- NPI 1952392946
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba NYU Langone Hospitals - Suffolk
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Patchogue, NY
- NPI 1013724061
Hospital
-
dba NYU Langone Hospital - Suffolk
- General Acute Care Hospital
- Patchogue, NY
- NPI 1831910355
-
- General Acute Care Hospital
- Oceanside, NY
- NPI 1922079094
-
- General Acute Care Hospital
- Bay Shore, NY
- NPI 1457369381
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1551052800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1741737600000",
"number": "1811454051",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "STONY BROOK UNIVERSITY MEDICAL CENTER",
"address_2": "HSC LEVEL 4 - ROOM 060",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "117948480",
"telephone_number": "631-444-2975"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "STONY BROOK UNIVERSITY MEDICAL CENTER",
"address_2": "HSC LEVEL 4 - ROOM 060",
"city": "STONY BROOK",
"state": "NY",
"postal_code": "117948480",
"telephone_number": "631-444-2975"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASSERIA",
"first_name": "MICHAEL",
"middle_name": "KENNETH",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-02-25",
"last_updated": "2025-03-12",
"certification_date": "2025-03-12",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2100X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Acute Care",
"state": "NY",
"license": "431879",
"primary": false
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "NY",
"license": "686773",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Stony Brook, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.