Doctor profile · Federal record

Dr. William Winter, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Los Angeles, CA

  • NPI 1437680725
  • Accepts Medicare
  • MIPS 78.7 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
757 Westwood Plz Ste 7501
Los Angeles, CA 900951003
(310) 267-9643
Additional location
1400 Nw 12Th Ave
Miami, FL 331361003
(305) 689-5511
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
June 2, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
California #A157635 · Florida #ME163163

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437680725. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
93
Distinct HCPCS
1
Medicare allowed
$17,357
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 93 92 $187

In context: peer comparison

Among 62 peers in Los Angeles Hospitalist Physician, average services per provider: 112. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$140
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Harmony Biosciences LLC 2 $139.91

By nature of payment

Food and Beverage
$140

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Winter's medical specialty?
Dr. William Winter practices Hospitalist Physician in Los Angeles, CA.
Where does Dr. William Winter practice?
Dr. William Winter practices at 757 Westwood Plz Ste 7501, Los Angeles, CA 900951003. Office phone: 3102679643.
What is Dr. William Winter's NPI?
Dr. William Winter's National Provider Identifier (NPI) is 1437680725, issued by NPPES.
Does Dr. William Winter accept Medicare assignment?
Yes. Dr. William Winter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Winter commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.