Doctor profile · Federal record

Dr. Nathan Cox, M.D.

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

  • NPI 1912173378
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1250 16Th St, 2304 Central Wing
Santa Monica, CA 904041249
(310) 319-4698
fax (310) 319-4908
Mailing address
757 Westwood Plz
Los Angeles, CA 900958358

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
March 22, 2017
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A116263
Medicaid
CA #1912173378

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912173378. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,582
Distinct HCPCS
6
Medicare allowed
$157,793
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,040 204 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 285 97 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 128 121 $185
99239 Hospital discharge day management, more than 30 minutes 58 57 $122
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 58 53 $33
99497 Advance care planning, first 30 minutes 13 13 $81

In context: peer comparison

Among 43 peers in Santa Monica Hospitalist Physician, average services per provider: 116. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $18.09

By nature of payment

Education
$18

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Cox's medical specialty?
Dr. Nathan Cox practices Hospitalist Physician in Santa Monica, CA.
Where does Dr. Nathan Cox practice?
Dr. Nathan Cox practices at 1250 16Th St, Santa Monica, CA 904041249. Office phone: 3103194698.
What is Dr. Nathan Cox's NPI?
Dr. Nathan Cox's National Provider Identifier (NPI) is 1912173378, issued by NPPES.
Does Dr. Nathan Cox accept Medicare assignment?
Yes. Dr. Nathan Cox accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Cox 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.