Hillis Lynn Warren, M.D.
Specialist · Sacramento, CA
Hillis Lynn Warren, M.D. is a specialist with a practice address in Sacramento, California, and NPI 1801999602, issued on Sep 7, 2006. Check the license (California G030438, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Hillis Lynn Warren
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G030438 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2620 Hurley Way, Sacramento, CA 95864
- Phone
- (916) 929-1838
- Enumerated
- Sep 7, 2006
- Record last updated
- Sep 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (916) 929-1753
- Medicaid ID
- 00G304380 CA
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2620 Hurley Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beryl Hunt, O.D.Optometrist1588626980
- Mitul Patel, ODOptometrist1710407465
- John Rogers, O.D.Optometrist1396707238
- Michael Schermer, M.D.Ophthalmology Physician1801858758
Verify Hillis Lynn Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G030438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hillis Lynn Warren among 5,749 specialist records in California
Hillis Lynn Warren, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2017 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in Sacramento → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Debra Engelbrite, RESacramento, CA 958641891266656
- Michael Crooks, P.T.Sacramento, CA 958411740359447
- Michael Murray, M.D.Sacramento, CA 958411912093063
- Wanda FeltusSacramento, CA 958351689568537
- Miguel CastroSacramento, CA 958341053278382
- Miriam GonzalezSacramento, CA 958341508794488
- Michael HenrySacramento, CA 958331447324678
- Debra GarciaSacramento, CA 958311598162810
Common questions
What is Hillis Lynn Warren, M.D.'s NPI number?
Hillis Lynn Warren, M.D.'s National Provider Identifier (NPI) is 1801999602, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hillis Lynn Warren, M.D. located?
The NPPES record lists a practice address at 2620 Hurley Way, Sacramento, CA, 95864. Phone: (916) 929-1838. Providers update this record themselves, so call before visiting.
How can I verify Hillis Lynn Warren, M.D.'s license?
NPPES lists California license number G030438, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.