Active NPI
Kirstin Alexis Knobbe Lloyd, M.D.
- Internal Medicine Physician
- Phoenix, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 57333
- Practice address
- 4420 E McDowell Rd
Phoenix, AZ 85008-4504 - Phone
- (602) 858-4295
- Fax
- (602) 858-4297
- NPI assigned
- Apr 27, 2016
- Last updated
- Jun 8, 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 7
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | 57333 | AZ | |
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | 04-49602 | KS | |
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | A198062 | CA | |
| Sleep Medicine (Family Medicine) Physician | 207QS1201X | V1348 | TX | |
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | 332157 | NY | |
| Internal Medicine Physician | 207R00000X | 57333 | AZ | Primary |
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | ME170328 | FL |
Addresses
Primary practice location
4420 E McDowell Rd
Phoenix, AZ 85008-4504
Mailing address
102 Woodmont Blvd Ste 600
Nashville, TN 37205-5250
Phone (615) 314-5257
Other practice location 1
121 W 36th St # 237
New York, NY 10018-3612
Phone (650) 761-4056
Other practice location 2
611 Gateway Blvd Ste 120
South San Francisco, CA 94080-7066
Phone (650) 761-4056
Other practice location 3
7300 W 110th St Fl 7
Overland Park, KS 66210-2332
Phone (650) 761-4056
Other practice location 4
333 SE 2nd Ave Ste 2000
Miami, FL 33131-2185
Phone (650) 761-4056
Other practice location 5
2021 Guadalupe St
Austin, TX 78705-3232
Phone (650) 761-4056
Other names 1
- Dr. Kirstin Alexis Robertson
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, KS, FL, NY, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 5
Care Compare profile
Medicare Care Compare- Specialty
- Sleep Medicine
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
121 W 36TH St
Suite 237
New York, NY 10018-3612
Phone (650) 761-4056
2021 Guadalupe St
Austin, TX 78705-5654
Phone (650) 761-4056
611 Gateway Blvd
Suite 120
South San Francisco, CA 94080-7066
Phone (650) 761-4056
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A198062 | CA | MD | Sleep Medicine (Internal Medicine) Physician |
| ME170328 | FL | MD | Sleep Medicine (Internal Medicine) Physician |
| 04-49602 | KS | MD | Sleep Medicine (Internal Medicine) Physician |
| 332157 | NY | MD | Sleep Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Tele-Medicine Medical Practice of New York, P.C. | Sleep Medicine | Current | Accepting new patients |
| Empower Sleep Medical Associates Inc. | Sleep Medicine | Current | Accepting new patients |
| Dreem Health Sleep Clinic of Kansas PA | Sleep Medicine | Current | Accepting new patients |
| Dreem Sleep Clinic, P.a. | Sleep Medicine | Current | Accepting new patients |
| Dreem Health Sleep Clinic, P.a. | Sleep Medicine | Current | Accepting new patients |
| Dreem Sleep Clinic of California | Sleep Medicine | Current | Accepting new patients |
| East Valley Urgent Care,LLC | Past | Accepting new patients |
Locations
530 Technology Dr
Ste 100
Irvine, CA 92618
Phone (213) 375-4070
611 Gateway Blvd
Ste 120
South San Francisco, CA 94080
Phone (650) 480-6023
333 SE 2nd Ave
Ste 2000
Miami, FL 33131
Phone (201) 581-3411
7300 W 110th St
Fl 7
Overland Park, KS 66210
Phone (650) 761-4056
121 W 36th St
#237
New York, NY 10018
Phone (650) 761-4056
121 W 36th St
Ste 237
New York, NY 10018
2021 Guadalupe St
Austin, TX 78705
Phone (512) 469-2968
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.
-
- Multi-Specialty Clinic/Center
- South San Francisco, CA
- NPI 1750049029
Sleep Medicine
-
- Multi-Specialty Clinic/Center
- New York, NY
- NPI 1417848805
Sleep Medicine
-
- Multi-Specialty Clinic/Center
- Overland Park, KS
- NPI 1215721972
Sleep Medicine
-
- Multi-Specialty Clinic/Center
- Miami, FL
- NPI 1497549158
Sleep Medicine
-
- Sleep Medicine (Internal Medicine) Physician
- Irvine, CA
- NPI 1487311007
-
dba Urgent Care Extra-Bell
- Urgent Care Clinic/Center
- Phoenix, AZ
- NPI 1235481128
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1461715200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780876800000",
"number": "1548615644",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "102 WOODMONT BLVD STE 600",
"city": "NASHVILLE",
"state": "TN",
"postal_code": "372055250",
"telephone_number": "615-314-5257"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4420 E MCDOWELL RD",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850084504",
"telephone_number": "602-858-4295",
"fax_number": "602-858-4297"
}
],
"practiceLocations": [
{
"address_1": "121 W 36th St # 237",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100183612",
"country_code": "US",
"telephone_number": "650-761-4056",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "611 Gateway Blvd Ste 120",
"address_purpose": "LOCATION",
"city": "South San Francisco",
"state": "CA",
"postal_code": "940807066",
"country_code": "US",
"telephone_number": "650-761-4056",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "7300 W 110th St Fl 7",
"address_purpose": "LOCATION",
"city": "Overland Park",
"state": "KS",
"postal_code": "662102332",
"country_code": "US",
"telephone_number": "650-761-4056",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "333 SE 2nd Ave Ste 2000",
"address_purpose": "LOCATION",
"city": "Miami",
"state": "FL",
"postal_code": "331312185",
"country_code": "US",
"telephone_number": "650-761-4056",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2021 Guadalupe St",
"address_purpose": "LOCATION",
"city": "Austin",
"state": "TX",
"postal_code": "787053232",
"country_code": "US",
"telephone_number": "650-761-4056",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LLOYD",
"first_name": "KIRSTIN",
"middle_name": "ALEXIS KNOBBE",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-04-27",
"last_updated": "2026-06-08",
"certification_date": "2026-06-08",
"status": "A"
},
"taxonomies": [
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "AZ",
"license": "57333",
"primary": false
},
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "KS",
"license": "04-49602",
"primary": false
},
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "CA",
"license": "A198062",
"primary": false
},
{
"code": "207QS1201X",
"taxonomy_group": "",
"desc": "Family Medicine, Sleep Medicine",
"state": "TX",
"license": "V1348",
"primary": false
},
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "NY",
"license": "332157",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "AZ",
"license": "57333",
"primary": true
},
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "FL",
"license": "ME170328",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "KIRSTIN",
"last_name": "ROBERTSON",
"middle_name": "ALEXIS",
"prefix": "DR.",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Phoenix, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 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.