Active NPI
Lydia Howell, M.D.
- Specialist
- Sacramento, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- License
- G058488
- Practice address
- 4400 V St
Pathology Building
Sacramento, CA 95817-1445 - Phone
- (916) 734-2525
- NPI assigned
- Nov 17, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Specialist | 174400000X | G058488 | CA | Primary |
Addresses
Primary practice location
4400 V St
Pathology Building
Sacramento, CA 95817-1445
Mailing address
4400 V St
Pathology Building
Sacramento, CA 95817-1445
Phone (916) 734-2525
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
Care Compare profile
Medicare Care CompareMerit-based Incentive Payment System (MIPS)
- Final score
- 83.15 of 100
- Quality
- 64.8
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 68.65
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G058488 | CA | MD | Specialist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the Univ of Ca | Current | Accepting new patients | |
| Regents of the University of Ca | Current | Accepting new patients | |
| Regents of the Univ of Ca | Current | Accepting new patients | |
| Regents of the Univ of Ca | Past | Accepting new patients | |
| Regents of the Univ of Ca | Past | Accepting new patients |
Locations
2315 Stockton Blvd
Sacramento, CA 95817
Phone (916) 703-3030
4860 Y St
Sacramento, CA 95817
Phone (916) 734-2700
4400 V St
Sacramento, CA 95817
Phone (916) 734-2525
2315 Stockton Blvd
#1
Sacramento, CA 95817
2315 Stockton Blvd
Ste 1
Sacramento, CA 95817
2315 Stockton Blvd
#5
Sacramento, CA 95817
Phone (916) 703-3050
4900 Broadway
Ste 2800
Sacramento, CA 95820
Phone (916) 734-9313
Organizations & group practices 5
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.
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- NPI 1598758666
-
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- NPI 1427041698
-
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NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1132185600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1285616920",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4400 V ST",
"address_2": "PATHOLOGY BUILDING",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958171445",
"telephone_number": "916-734-2525"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4400 V ST",
"address_2": "PATHOLOGY BUILDING",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958171445",
"telephone_number": "916-734-2525"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOWELL",
"first_name": "LYDIA",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-11-17",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "CA",
"license": "G058488",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Sacramento, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.