Physician Profile
Hillis L. Warren, M.D.
Unclaimed ProfileAbout Dr. Warren
Listed in the NPI registry as a specialist, Hillis L. Warren, M.D. practices in Sacramento, CA. According to Medicare claims data, Hillis cared for 128 Medicare patients across 132 services. The services billed most often include removal of eye fluid (vitreous) between lens and retina, repair of detached retina with drainage and removal of eye fluid between lens and retina, and removal of membrane of retina.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (916) 929-1838
- Email not available
Practice Locations
2620 HURLEY WAY STE A
Sacramento, CA 95864
Procedures Most Often Billed to Medicare
132 services · 128 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of eye fluid (vitreous) between lens and retina | Procedure | 67036 |
40 |
| Repair of detached retina with drainage and removal of eye fluid between lens and retina | Procedure | 67108 |
36 |
| Removal of membrane of retina | Procedure | 67041 |
26 |
| Destruction of eye fluid (vitreous) between lens and retina and all of retina using a laser | Procedure | 67040 |
17 |
| Removal of membrane of retina with removal of internal limiting membrane of retina | Procedure | 67042 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Sacramento 8
Same specialty, same city.
Also performs Removal of eye fluid (vitreous) between lens and retina 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Hillis L. Warren's specialty?
Hillis L. Warren is a specialist in Sacramento, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Hillis L. Warren?
Hillis L. Warren is listed at 2620 Hurley Way Ste A, Sacramento, CA 95864. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Hillis L. Warren?
The number on file is (916) 929-1838. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Hillis L. Warren's NPI number?
Hillis L. Warren's National Provider Identifier is 1801999602. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Hillis L. Warren been practicing?
Hillis L. Warren has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Hillis L. Warren known for?
According to Medicare billing data, Hillis L. Warren performs procedures including removal of eye fluid between lens and retina, repair of detached retina with drainage and removal of eye fluid between lens and retina and removal of membrane of retina. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Hillis L. Warren confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Hillis L. Warren. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.