Active NPI
Zachary Doyle Walton, M.D., PH.D.
- Anesthesiology Physician
- San Diego, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- ME169492
- Practice address
- 3626 Ruffin Rd
San Diego, CA 92123-1810 - Phone
- (858) 565-9666
- Fax
- (858) 565-9441
- NPI assigned
- Jul 27, 2010
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | ME169492 | FL | Primary |
Addresses
Primary practice location
3626 Ruffin Rd
San Diego, CA 92123-1810
Mailing address
1210 S Old Dixie Hwy
Jupiter, FL 33458-7205
Phone (561) 744-4477
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- 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
- Anesthesiology
- Education
- Yale University School of Medicine, 2010
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Associated Physicians of Harvard Medical Faculty Physicians at Beth Is
Practice addresses (Care Compare)
25 Highland Ave
Newburyport, MA 01950-3867
Phone (781) 983-9088
330 Mount Auburn St
Cambridge, MA 02138-5502
Phone (781) 453-7300
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C199128 | CA | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Associated Physicians of Harvard Medical Faculty Physicians at Beth Is | Current | Accepting new patients | |
| Mass General Brigham Medical Group Western Massachusetts Inc | Current | Accepting new patients | |
| Associated Physicians of Harvard Medical Faculty Physicians at Beth Is | Anesthesiology | Current | Accepting new patients |
| Associated Physicians of Harvard Medical Faculty Physicians at Beth Is | Current | Accepting new patients | |
| Brigham & Womens Physicians Organization Inc | Anesthesiology | Current | Accepting new patients |
| Associated Physicians of Harvard Medical Faculty Physicians at Beth Is | Current | Accepting new patients | |
| Pratt Anesthesiology Associates, Inc | Anesthesiology | Current | Accepting new patients |
| Anesthesia Service Medical Group | Anesthesiology | Current | Accepting new patients |
| Capa Anesthesia LLC | Anesthesiology | Current | Accepting new patients |
| Cap Anesthesia, PC | Anesthesiology | Past | Accepting new patients |
Locations
3626 Ruffin Rd
#82807
San Diego, CA 92123
3626 Ruffin Rd
San Diego, CA 92123
Phone (619) 565-9666
800 Washington St
Boston, MA 02111
Phone (617) 636-4800
75 Francis St
Boston, MA 02115
330 Mount Auburn St
Cambridge, MA 02138
Phone (617) 499-5054
1493 Cambridge St
Cambridge, MA 02139
Phone (617) 665-1185
101 Page St
New Bedford, MA 02740
Phone (508) 961-5425
25 Highland Ave
Newburyport, MA 01950
Phone (978) 258-4734
30 Locust St
Northampton, MA 01060
Phone (413) 582-2000
40 Holland St
Somerville, MA 02144
Phone (617) 629-6000
123 Summer St
Worcester, MA 01608
Phone (508) 363-6000
Interoperability endpoints
- zwalton38606@direct.ynhh.org
- zwalton106634@tuftsmedicine.direct-ci.com
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.
-
dba APHMFP-Radiology
- Diagnostic Radiology Physician
- Milton, MA
- NPI 1245773308
-
dba APHMFP-Emergency Medicine
- Emergency Medical Services (Emergency Medicine) Physician
- Boston, MA
- NPI 1952358533
-
- Internal Medicine Physician
- Boston, MA
- NPI 1033535497
Anesthesiology
-
- Anesthesiology Physician
- Weymouth, MA
- NPI 1629723002
-
- Family Medicine Physician
- Northampton, MA
- NPI 1295787919
-
- Anesthesiology Physician
- Boston, MA
- NPI 1326085390
-
- Anesthesiology Physician
- San Diego, CA
- NPI 1053354233
-
dba APHMFP-Anesthesia
- Anesthesiology Physician
- Plymouth, MA
- NPI 1568859643
-
dba Associated Physicians of HMFP
- Multi-Specialty Clinic/Center
- Boston, MA
- NPI 1861216038
-
- Anesthesiology Physician
- Weston, MA
- NPI 1497763213
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Chula Vista, CA
- NPI 1396728630
-
dba Sharp Allison deRose Rehabilitation Center
- Rehabilitation Hospital Unit
- San Diego, CA
- NPI 1114901352
-
- General Acute Care Hospital
- San Diego, CA
- NPI 1407839921
-
- General Acute Care Hospital
- Newburyport, MA
- NPI 1992779482
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1280188800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785110400000",
"number": "1891009247",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1210 S OLD DIXIE HWY",
"city": "JUPITER",
"state": "FL",
"postal_code": "334587205",
"telephone_number": "561-744-4477"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3626 RUFFIN RD",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921231810",
"telephone_number": "858-565-9666",
"fax_number": "858-565-9441"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WALTON",
"first_name": "ZACHARY",
"middle_name": "DOYLE",
"credential": "M.D., PH.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2010-07-27",
"last_updated": "2026-07-27",
"certification_date": "2026-07-27",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "FL",
"license": "ME169492",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Diego, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 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.