Doctor profile · Federal record

Dr. William Spalding, M.D.

Pain Medicine (Anesthesiology) Physician (CMS: Anesthesiology) · Los Angeles, CA

  • NPI 1558652305
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 San Pablo St
Los Angeles, CA 900335313
(323) 442-7400
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
November 27, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State license (1)
California #A125450

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558652305. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
436
Distinct HCPCS
10
Medicare allowed
$62,710
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 197 88 $139
99204 New patient office or other outpatient visit, 45-59 minutes 74 74 $181
99215 Established patient office or other outpatient visit, 40-54 minutes 45 35 $196
99442 Telephone medical discussion with physician, 11-20 minutes 27 18 $97
99213 Established patient office or other outpatient visit, 20-29 minutes 19 17 $99
99443 Telephone medical discussion with physician, 21-30 minutes 19 15 $140
76942 Ultrasonic guidance for needle placement 17 14 $32
62323 Injection of substance into lower spine canal using imaging guidance 15 11 $99
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 12 11 $107
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $239

In context: peer comparison

Among 11 peers in Los Angeles Pain Medicine (Anesthesiology) Physician, average services per provider: 234. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$541
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Nalu Medical, INC. 4 $200.95
Pacira Pharmaceuticals Incorporated 1 $120.90
Medtronic, INC. 4 $113.74
W. L. Gore & Associates, INC. 1 $75.00
Boston Scientific Corporation 1 $30.23

By nature of payment

Food and Beverage
$541

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
515
Patients
118
Total drug cost
$43,965
Drug Type Claims Patients Total cost
Gabapentin Generic 139 52 $5,445
Pregabalin Generic 75 29 $6,963
Amitriptyline Hcl Generic 61 13 $985
Nortriptyline Hcl Generic 34 12 $986
Baclofen Generic 30 0 $1,635
Duloxetine Hcl Generic 30 12 $1,799
Methocarbamol Generic 30 0 $625
Tizanidine Hcl Generic 25 0 $448
Diclofenac Sodium Generic 24 0 $833
Lidocaine Generic 23 0 $9,066

Frequently asked questions

Auto-generated from federal data
What is Dr. William Spalding's medical specialty?
Dr. William Spalding practices Pain Medicine (Anesthesiology) Physician in Los Angeles, CA.
Where does Dr. William Spalding practice?
Dr. William Spalding practices at 1500 San Pablo St, Los Angeles, CA 900335313. Office phone: 3234427400.
What is Dr. William Spalding's NPI?
Dr. William Spalding's National Provider Identifier (NPI) is 1558652305, issued by NPPES.
Does Dr. William Spalding accept Medicare assignment?
Yes. Dr. William Spalding accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Spalding commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.