Active NPI
Kassandra Jean Kosinski Romero, M.D.
- Internal Medicine Physician
- Chandler, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 54068
- Practice address
- 1405 S. Alma School Road
Bomc Attn Hospitalists
Chandler, AZ 85286 - Phone
- (480) 256-7420
- Fax
- (480) 646-3826
- NPI assigned
- May 3, 2013
- Last updated
- Aug 20, 2026
- Sex
- Female
- 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 | 54068 | AZ | Primary |
| Hospitalist Physician | 208M00000X | 54068 | AZ |
Addresses
Primary practice location
1405 S. Alma School Road
Bomc Attn Hospitalists
Chandler, AZ 85286
Mailing address
1405 S Alma School Rd
Chandler, AZ 85286-7144
Phone (480) 256-7420
Other practice location 1
811 S Hamilton St
Chandler, AZ 85225-6308
Phone (833) 855-9973
Other practice location 2
6750 E Baywood Ave
Mesa, AZ 85206-1749
Phone (480) 321-2000
Other practice location 3
2601 E Roosevelt St
Phoenix, AZ 85008-4973
Phone (317) 431-6779
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2601 E Roosevelt St
Phoenix, AZ 85008-4973
Phone (602) 344-5011
811 S Hamilton St
Chandler, AZ 85225-6308
Phone (480) 344-6100
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 54068 | AZ | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Maricopa County Special Health Care District | Current | Accepting new patients | |
| Maricopa County Special Health Care District | Current | Accepting new patients | |
| District Medical Group, Inc | Current | Accepting new patients | |
| Maricopa County Special Health Care District | Current | Accepting new patients | |
| District Medical Group, Inc | Current | Accepting new patients | |
| District Medical Group, Inc | Current | Accepting new patients | |
| Maricopa County Special Health Care District | Past | Accepting new patients | |
| District Medical Group, Inc | Family Medicine | Past | Accepting new patients |
Locations
1800 E Florence Blvd
Casa Grande, AZ 85122
Phone (520) 381-6285
811 S Hamilton St
Chandler, AZ 85225
Phone (480) 344-6100
1111 E McDowell Rd
Phoenix, AZ 85006
Phone (602) 239-2000
2601 E Roosevelt St
Phoenix, AZ 85008
Phone (602) 220-0298
2601 E Roosevelt St
Ste 0D10
Phoenix, AZ 85008
2929 E Thomas Rd
Phoenix, AZ 85016
Phone (602) 470-5043
3141 N 3rd Ave
Phoenix, AZ 85013
Phone (602) 914-1520
33 W Tamarisk St
Phoenix, AZ 85041
Phone (602) 344-6400
Interoperability endpoints
- kkosinski49868@direct.valleywisehealth.org
Organizations & group practices 8
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.
-
- Anatomic Pathology & Clinical Pathology Physician
- Phoenix, AZ
- NPI 1336472448
-
dba Valleywise Health
- General Acute Care Hospital
- Phoenix, AZ
- NPI 1073576740
-
- Emergency Medicine Physician
- Phoenix, AZ
- NPI 1144624339
-
- Pediatrics Physician
- Phoenix, AZ
- NPI 1790018802
-
dba Valleywise CHC - Mesa Behavioral Health Specialty Clinic
- Adult Mental Health Clinic/Center
- Mesa, AZ
- NPI 1104331115
-
dba Maricopa Integrated Heatlh
- Federally Qualified Health Center (FQHC)
- Mesa, AZ
- NPI 1306265145
-
dba Valleywise Health
- Federally Qualified Health Center (FQHC)
- Phoenix, AZ
- NPI 1295154045
Hospital & facility affiliations 12
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Valleywise Health
- General Acute Care Hospital
- Phoenix, AZ
- NPI 1073576740
-
dba Maricopa Integrated Health
- Federally Qualified Health Center (FQHC)
- Phoenix, AZ
- NPI 1114346962
Hospital
-
dba Valleywise Health
- Federally Qualified Health Center (FQHC)
- Phoenix, AZ
- NPI 1295154045
Hospital
-
dba Maricopa Integrated Heatlh
- Federally Qualified Health Center (FQHC)
- Mesa, AZ
- NPI 1306265145
Hospital
-
dba Maricopa Integrated Health
- Federally Qualified Health Center (FQHC)
- Phoenix, AZ
- NPI 1336568187
Hospital
-
dba Maricopa Integrated Health
- Federally Qualified Health Center (FQHC)
- Chandler, AZ
- NPI 1427476670
Hospital
-
dba Maricopa Integrated Health
- Federally Qualified Health Center (FQHC)
- Phoenix, AZ
- NPI 1629497474
Hospital
-
dba Valleywise Mobile Health Clinic
- Federally Qualified Health Center (FQHC)
- Phoenix, AZ
- NPI 1629840137
Hospital
-
dba Maricopa Integrated Health
- Federally Qualified Health Center (FQHC)
- Guadalupe, AZ
- NPI 1861811614
Hospital
-
dba Valleywise Health
- Federally Qualified Health Center (FQHC)
- Phoenix, AZ
- NPI 1891114641
Hospital
-
dba Maricopa Integrated Health
- Federally Qualified Health Center (FQHC)
- Peoria, AZ
- NPI 1952720708
Hospital
-
dba Maricopa Integrated Health
- Federally Qualified Health Center (FQHC)
- Avondale, AZ
- NPI 1982022133
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1367539200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787184000000",
"number": "1295170389",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1405 S ALMA SCHOOL RD",
"city": "CHANDLER",
"state": "AZ",
"postal_code": "852867144",
"telephone_number": "480-256-7420",
"fax_number": "480-646-3826"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1405 S. ALMA SCHOOL ROAD",
"address_2": "BOMC ATTN HOSPITALISTS",
"city": "CHANDLER",
"state": "AZ",
"postal_code": "85286",
"telephone_number": "480-256-7420",
"fax_number": "480-646-3826"
}
],
"practiceLocations": [
{
"address_1": "811 S Hamilton St",
"address_purpose": "LOCATION",
"city": "Chandler",
"state": "AZ",
"postal_code": "852256308",
"country_code": "US",
"telephone_number": "833-855-9973",
"fax_number": "602-655-9610",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6750 E Baywood Ave",
"address_purpose": "LOCATION",
"city": "Mesa",
"state": "AZ",
"postal_code": "852061749",
"country_code": "US",
"telephone_number": "480-321-2000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2601 E Roosevelt St",
"address_purpose": "LOCATION",
"city": "Phoenix",
"state": "AZ",
"postal_code": "850084973",
"country_code": "US",
"telephone_number": "317-431-6779",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KOSINSKI ROMERO",
"first_name": "KASSANDRA",
"middle_name": "JEAN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2013-05-03",
"last_updated": "2026-08-20",
"certification_date": "2026-08-20",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "AZ",
"license": "54068",
"primary": true
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "AZ",
"license": "54068",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chandler, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2026; 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.