Doctor profile · Federal record

Dr. Terrance Hack, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · San Luis Obispo, CA

  • NPI 1841271988
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1010 Murray St
San Luis Obispo, CA 934058800
(805) 928-1731
fax (805) 349-8160
Mailing address
Po Box 6406
Santa Maria, CA 934566406

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 12, 2007
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #G76422
Medicaid
CA #00G764220

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841271988. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
282
Distinct HCPCS
10
Medicare allowed
$43,297
HCPCS Description Services Patients Avg allowed
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 52 51 $68
01400 Anesthesia for other procedure or exam of knee joint using an endoscope 36 36 $168
00811 Anesthesia for other procedure on large bowel using an endoscope 31 31 $142
01630 Anesthesia for other procedure on top of arm bone and shoulder joint 29 29 $309
76942 Ultrasonic guidance for needle placement 24 24 $31
01610 Anesthesia for procedure on nerves, muscles, tendons, fascia, and bursae of shoulder and underarm 22 22 $236
00812 Anesthesia for exam of colon using an endoscope 20 20 $117
01830 Anesthesia for other procedure on forearm, wrist, or hand bones 20 20 $203
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 17 17 $142
00813 Anesthesia for procedure on small and large bowel using an endoscope 17 17 $166

In context: peer comparison

Among 11 peers in San Luis Obispo Anesthesiology Physician, average services per provider: 23. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Optinose US, INC. 1 $17.42

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$14
Drug Type Claims Patients Total cost
Metformin Hcl Generic 11 0 $14

Frequently asked questions

Auto-generated from federal data
What is Dr. Terrance Hack's medical specialty?
Dr. Terrance Hack practices Anesthesiology Physician in San Luis Obispo, CA.
Where does Dr. Terrance Hack practice?
Dr. Terrance Hack practices at 1010 Murray St, San Luis Obispo, CA 934058800. Office phone: 8059281731.
What is Dr. Terrance Hack's NPI?
Dr. Terrance Hack's National Provider Identifier (NPI) is 1841271988, issued by NPPES.
Does Dr. Terrance Hack accept Medicare assignment?
Yes. Dr. Terrance Hack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terrance Hack commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (HCPCS 64415); Anesthesia for other procedure or exam of knee joint using an endoscope (HCPCS 01400); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.