Doctor profile · Federal record

Dr. Richard Hays, MD

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Santa Cruz, CA

  • NPI 1215974316
  • Accepts Medicare
  • 42 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3003 Paul Sweet RD
Santa Cruz, CA 950651503
(408) 354-9254
Additional location
1200 N Beaver St
Flagstaff, AZ 860013118
(928) 779-3366
Additional location
77 W Forest Ave Ste 117
Flagstaff, AZ 860011482
(928) 773-2505
fax (928) 773-2504
Mailing address
Po Box 33285
Los Gatos, CA 950313285

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 8, 2022
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
California #G55603 · Arizona #22820

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215974316. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
4
Medicare allowed
$8,097
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 28 28 $119
76942 Ultrasonic guidance for needle placement 13 13 $31
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 12 12 $71
01630 Anesthesia for other procedure on top of arm bone and shoulder joint 11 11 $318

In context: peer comparison

Among 11 peers in Santa Cruz Anesthesiology Physician, average services per provider: 31. This provider delivers 2.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Hays's medical specialty?
Dr. Richard Hays practices Anesthesiology Physician in Santa Cruz, CA.
Where does Dr. Richard Hays practice?
Dr. Richard Hays practices at 3003 Paul Sweet RD, Santa Cruz, CA 950651503. Office phone: 4083549254.
What is Dr. Richard Hays's NPI?
Dr. Richard Hays's National Provider Identifier (NPI) is 1215974316, issued by NPPES.
Does Dr. Richard Hays accept Medicare assignment?
Yes. Dr. Richard Hays accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Hays commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Ultrasonic guidance for needle placement (HCPCS 76942); Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (HCPCS 64415). Source: CMS Medicare Physician & Other Practitioners file.