Active NPI
George Daniel Disesa, MD
- Internal Medicine Physician
- New Haven, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 79055
- Practice address
- 20 York St
New Haven, CT 06510-3220 - Phone
- (203) 688-4242
- NPI assigned
- Mar 22, 2018
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 12821441-1205 | UT | |
| Internal Medicine Physician | 207R00000X | 79055 | CT | Primary |
Addresses
Primary practice location
20 York St
New Haven, CT 06510-3220
Mailing address
20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242
Other practice location 1
80 Seymour St Bldg 502
Hartford, CT 06102-8000
Phone (860) 972-0549
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA, UT, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Temple University School of Medicine, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1034 N 500
Provo, UT 84604-3380
Phone (801) 357-8879
20 York St
New Haven, CT 06510-3220
Phone (203) 688-1378
559 W Germantown Pike
Einstein Medical Center Montgomery
East Norriton, PA 19403-4250
Phone (484) 622-1000
700 S Hwy 99
Suite 3
Fillmore, UT 84631-5137
Phone (801) 357-4600
71 Haynes St
Manchester, CT 06040-4131
Phone (860) 646-1222
80 Seymour St
Hartford, CT 06102-8000
Phone (860) 972-0549
Hospital & facility affiliations
- Intermountain Health Utah Valley Hospital
- Hartford Hospital
- Yale-New Haven Hospital
- Manchester Memorial Hospital
- Jefferson Einstein Montgomery Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 12821441-1205 | UT | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ihc Health Services Inc | Internal Medicine | Current | Accepting new patients |
| Northeast Medical Group, Inc. | Internal Medicine | Current | Accepting new patients |
| Hospitalist Medicine Physicians of Connecticut, LLC | Internal Medicine | Current | Accepting new patients |
| Hospitalist Medicine Physicians of Pennsylvania, P.C. | Internal Medicine | Current | Accepting new patients |
| Abington Memorial Hospital | Current | Accepting new patients | |
| Main Line Healthcare | Internal Medicine | Current | Accepting new patients |
| Ihc Health Services, Inc. | Current | Accepting new patients | |
| Ihc Health Services Inc | Current | Accepting new patients | |
| Hartford Healthcare Medical Group Specialists LLC | Current | Accepting new patients | |
| Hartford Healthcare Medical Group Specialists, PLLC | Current | Accepting new patients |
Locations
71 Haynes St
Manchester, CT 06040
Phone (860) 533-2981
1450 Chapel St
New Haven, CT 06511
Phone (203) 789-3151
20 York St
North Haven, CT 06510
Phone (203) 688-2433
1244 Storrs Rd
Storrs Mansfield, CT 06268
Phone (860) 724-2579
95 Armory Rd
Stratford, CT 06614
Phone (203) 384-3388
830 Old Lancaster Rd
Ste 108
Bryn Mawr, PA 19010
Phone (610) 520-5200
3803 West Chester Pike
Ste 160
Newtown Square, PA 19073
Phone (484) 337-1530
255 W Lancaster Ave
Paoli, PA 19301
Phone (484) 337-4286
559 W Germantown Pike
West Norriton, PA 19403
Phone (484) 622-1000
2729 Blair Mill Rd
Ste E
Willow Grove, PA 19090
Phone (215) 672-0899
100 E Lancaster Ave
Wynnewood, PA 19096
Phone (484) 337-3583
700 S Highway 99
Ste 3
Fillmore, UT 84631
Phone (435) 743-5555
1034 N 500 W
Provo, UT 84604
Phone (801) 362-4119
Interoperability endpoints
- gdisesa675569@direct.ynhh.org
Organizations & group practices 10
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.
-
- Surgery Physician
- Hartford, CT
- NPI 1023584216
-
- Internal Medicine Physician
- Manchester, CT
- NPI 1558696153
-
- Internal Medicine Physician
- Bridgeport, CT
- NPI 1043278351
-
- Internal Medicine Physician
- Somerset, PA
- NPI 1639464308
-
- Multi-Specialty Clinic/Center
- Sandy, UT
- NPI 1942325154
-
- Nutrition Education Nutritionist
- Willow Grove, PA
- NPI 1952330805
-
- Customized Equipment (DME)
- Groton, CT
- NPI 1295367068
-
- Internal Medicine Physician
- Murray, UT
- NPI 1518313121
-
- Psychiatry Physician
- St George, UT
- NPI 1023843844
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Hartford, CT
- NPI 1770696643
-
- General Acute Care Hospital
- Hartford, CT
- NPI 1902834880
-
- General Acute Care Hospital
- Manchester, CT
- NPI 1881564664
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1336139500
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1578778726
-
- General Acute Care Hospital
- East Norriton, PA
- NPI 1104192590
-
- General Acute Care Hospital
- Provo, UT
- NPI 1114025491
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1521676800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749772800000",
"number": "1255835393",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "20 YORK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065103220",
"telephone_number": "203-688-4242"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20 YORK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065103220",
"telephone_number": "203-688-4242"
}
],
"practiceLocations": [
{
"address_1": "80 Seymour St Bldg 502",
"address_purpose": "LOCATION",
"city": "Hartford",
"state": "CT",
"postal_code": "061028000",
"country_code": "US",
"telephone_number": "860-972-0549",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DISESA",
"first_name": "GEORGE",
"middle_name": "DANIEL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-03-22",
"last_updated": "2025-06-13",
"certification_date": "2025-06-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "UT",
"license": "12821441-1205",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CT",
"license": "79055",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in New Haven, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 13, 2025; 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.
- 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.