Doctor profile · Federal record

Dr. Hillis Warren, M.D.

Specialist · Sacramento, CA

  • NPI 1801999602
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2620 Hurley Way, Ste A
Sacramento, CA 958643789
(916) 929-1838
fax (916) 929-1753

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
September 11, 2017
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #G030438
Medicaid
CA #00G304380

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801999602. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
5
Medicare allowed
$23,832
HCPCS Description Services Patients Avg allowed
67108 Repair of detached retina with drainage and removal of eye fluid between lens and retina 49 47 $197
67041 Removal of membrane of retina 26 26 $189
67036 Removal of eye fluid (vitreous) between lens and retina 22 21 $149
67042 Removal of membrane of retina with removal of internal limiting membrane of retina 18 17 $189
67040 Destruction of eye fluid (vitreous) between lens and retina and all of retina using a laser 15 15 $172

In context: peer comparison

Among 17 peers in this city , average services per provider: 241. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Hillis Warren's medical specialty?
Dr. Hillis Warren practices Specialist in Sacramento, CA.
Where does Dr. Hillis Warren practice?
Dr. Hillis Warren practices at 2620 Hurley Way, Sacramento, CA 958643789. Office phone: 9169291838.
What is Dr. Hillis Warren's NPI?
Dr. Hillis Warren's National Provider Identifier (NPI) is 1801999602, issued by NPPES.
What procedures does Dr. Hillis Warren commonly perform?
Top Medicare-reported procedures in 2023: Repair of detached retina with drainage and removal of eye fluid between lens and retina (HCPCS 67108); Removal of membrane of retina (HCPCS 67041); Removal of eye fluid (vitreous) between lens and retina (HCPCS 67036). Source: CMS Medicare Physician & Other Practitioners file.