Active NPI
Kathryn Noel Middleton, DO
- Family Medicine Physician
- Menlo Park, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 24393
- Practice address
- 325 Sharon Park Dr Ste F3
Menlo Park, CA 94025-6848 - Phone
- (888) 663-6331
- Fax
- (415) 252-7176
- NPI assigned
- Apr 27, 2021
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 24393 | CA | Primary |
| Hospitalist Physician | 208M00000X | 33207 | NH | |
| Family Medicine Physician | 207Q00000X | 33207 | NH | |
| Family Medicine Physician | 207Q00000X | 1019967 | MA |
Addresses
Primary practice location
325 Sharon Park Dr Ste F3
Menlo Park, CA 94025-6848
Mailing address
1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723
Phone (415) 658-6791
Other practice location 1
333 Borthwick Ave
Portsmouth, NH 03801-7128
Phone (603) 559-4129
Other practice location 2
394 Harrison Ave
Boston, MA 02118-2212
Phone (888) 663-6331
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA, NH, CA
- 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
- Family Practice
- Education
- Arizona College of Osteopathic Medicine Mid Western University, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
325 Sharon Park Dr
Suite F3
Menlo Park, CA 94025-6848
Phone (888) 663-6331
5 Alumni Dr
Exeter, NH 03833-2128
Phone (603) 580-6457
50 Staniford St
Boston, MA 02114-2517
Phone (617) 903-5000
53 State St
Suite 106
Boston, MA 02109-2820
Phone (617) 903-5000
Hospital & facility affiliations
- Exeter Hospital Inc
- Sequoia Hospital
- Stanford Health Care
Merit-based Incentive Payment System (MIPS)
- Final score
- 86.36 of 100
- Quality
- 85.92
- Promoting interoperability
- 78
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 33207 | NH | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Core Physicians, LLC | Family Medicine | Current | Accepting new patients |
| Mass General Brigham Community Physicians Inc. | Current | Accepting new patients | |
| One Medical Group, Inc | Family Medicine | Current | Accepting new patients |
| Mass General Brigham Community Physicians Inc. | Family Medicine | Current | Accepting new patients |
| Mass General Brigham Community Physicians Inc | Current | Accepting new patients | |
| Core Physicians LLC | Current | Accepting new patients | |
| One Medical Group, Inc. | Family Medicine | Current | Accepting new patients |
| UCSF Psychiatry | Past | Accepting new patients |
Locations
325 Sharon Park Dr
Ste F3
Menlo Park, CA 94025
590 Forest Ave
Palo Alto, CA 94301
Phone (650) 288-4080
1 Embarcadero Ctr
Ste 1900
San Francisco, CA 94111
53 State St
Ste 106
Boston, MA 02109
394 Harrison Ave
Boston, MA 02118
399 Revolution Dr
Ste 1010
Somerville, MA 02145
Phone (857) 282-2063
3 Alumni Dr
Ste 301
Exeter, NH 03833
Phone (603) 658-1180
7 Holland Way
#1
Exeter, NH 03833
5 Alumni Dr
Exeter, NH 03833
Phone (603) 580-6339
5 Alumni Dr
Fl 2
Exeter, NH 03833
Phone (603) 580-7525
Interoperability endpoints
- kathryn.middleton@hca6.eclinicaldirectplus.com
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
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 and National Provider Directory roles.
-
- Family Medicine Physician
- San Francisco, CA
- NPI 1467781641
CA, Family Medicine
-
- Internal Medicine Physician
- Haverhill, MA
- NPI 1891112637
MA
-
- Durable Medical Equipment & Medical Supplies
- Raymond, NH
- NPI 1083085724
-
- Cardiovascular Disease Physician
- Medford, MA
- NPI 1548638265
-
- Family Medicine Physician
- Boston, MA
- NPI 1265094122
Family Medicine
-
- Psychiatry Physician
- San Francisco, CA
- NPI 1427105279
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1619481600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1760659200000",
"number": "1417539503",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1 EMBARCADERO CTR STE 1900",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941113723",
"telephone_number": "415-658-6791"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "325 SHARON PARK DR STE F3",
"city": "MENLO PARK",
"state": "CA",
"postal_code": "940256848",
"telephone_number": "888-663-6331",
"fax_number": "415-252-7176"
}
],
"practiceLocations": [
{
"address_1": "333 Borthwick Ave",
"address_purpose": "LOCATION",
"city": "Portsmouth",
"state": "NH",
"postal_code": "038017128",
"country_code": "US",
"telephone_number": "603-559-4129",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "394 Harrison Ave",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021182212",
"country_code": "US",
"telephone_number": "888-663-6331",
"fax_number": "415-252-7176",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MIDDLETON",
"first_name": "KATHRYN",
"middle_name": "NOEL",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-04-27",
"last_updated": "2025-10-17",
"certification_date": "2025-10-17",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CA",
"license": "24393",
"primary": true
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "NH",
"license": "33207",
"primary": false
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "NH",
"license": "33207",
"primary": false
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "MA",
"license": "1019967",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Menlo Park, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 17, 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.