Doctor profile · Federal record

Dr. Spencer Adams, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Santa Monica, CA

  • NPI 1487688198
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1250 16Th St Ste A454
Santa Monica, CA 904041249
(310) 319-4698
fax (310) 319-4908
Additional location
757 Westwood Plz Ste 7501
Los Angeles, CA 900953075
(310) 267-9643
fax (310) 267-3840
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 2, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A86851
Medicaid
CA #00A868510

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487688198. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
878
Distinct HCPCS
10
Medicare allowed
$104,347
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 321 142 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 209 109 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 86 86 $186
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 85 84 $7
99205 New patient office or other outpatient visit, 60-74 minutes 76 76 $239
99205 New patient office or other outpatient visit, 60-74 minutes 27 27 $194
99214 Established patient office or other outpatient visit, 30-39 minutes 22 20 $101
99215 Established patient office or other outpatient visit, 40-54 minutes 19 19 $197
99215 Established patient office or other outpatient visit, 40-54 minutes 18 16 $154
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $139

In context: peer comparison

Among 43 peers in Santa Monica Hospitalist Physician, average services per provider: 116. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$121
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $121.12

By nature of payment

Food and Beverage
$121

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
0
Total drug cost
$8,649
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 21 0 $6,430
Gabapentin Generic 14 0 $149
Duloxetine Hcl Generic 13 0 $1,424
Baclofen Generic 12 0 $527
Levothyroxine Sodium Generic 11 0 $118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Spencer Adams's medical specialty?
Dr. Spencer Adams practices Hospitalist Physician in Santa Monica, CA.
Where does Dr. Spencer Adams practice?
Dr. Spencer Adams practices at 1250 16Th St Ste A454, Santa Monica, CA 904041249. Office phone: 3103194698.
What is Dr. Spencer Adams's NPI?
Dr. Spencer Adams's National Provider Identifier (NPI) is 1487688198, issued by NPPES.
Does Dr. Spencer Adams accept Medicare assignment?
Yes. Dr. Spencer Adams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Adams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.