Doctor profile · Federal record
Dr. William Hertzing, MD
Hospitalist Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · West Hollywood, CA
- NPI 1144781964
- Accepts Medicare
- MIPS 84.1 / 100 · 2023
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
8700 Beverly Blvd # B220
West Hollywood, CA 900481804
(310) 423-5252
fax (310) 423-8441 - Additional location
-
1200 N State Street, Clinic Tower, Suite A7D
Los Angeles, CA 900331029
(323) 409-7556 - Mailing address
-
4140 W 190Th St
Torrance, CA 905045513
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- August 19, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A178132
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144781964. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
757
Distinct HCPCS
4
Medicare allowed
$98,725
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 407 | 155 | $125 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 142 | 140 | $183 | |
99239 |
Hospital discharge day management, more than 30 minutes | 120 | 119 | $121 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 88 | 40 | $83 |
In context: peer comparison
Among 36 peers in West Hollywood Hospitalist Physician, average services per provider: 110. This provider delivers 6.9× the peer median.Open Payments
Industry payments received
All-time total
$145
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 1 | $145.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
75
Patients
20
Total drug cost
$10,832
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 25 | 20 | $226 |
| Eliquis (Apixaban) | Brand | 14 | 0 | $9,823 |
| Tamsulosin Hcl | Generic | 13 | 0 | $376 |
| Gabapentin | Generic | 12 | 0 | $114 |
| Atorvastatin Calcium | Generic | 11 | 0 | $293 |
Hospital affiliations
Frequently asked questions
What is Dr. William Hertzing's medical specialty?
Dr. William Hertzing practices Hospitalist Physician in West Hollywood, CA.
Where does Dr. William Hertzing practice?
Dr. William Hertzing practices at 8700 Beverly Blvd # B220, West Hollywood, CA 900481804. Office phone: 3104235252.
What is Dr. William Hertzing's NPI?
Dr. William Hertzing's National Provider Identifier (NPI) is 1144781964, issued by NPPES.
Does Dr. William Hertzing accept Medicare assignment?
Yes. Dr. William Hertzing accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hertzing commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.