Doctor profile · Federal record
Dr. William Lang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Marina del Rey, CA
- NPI 1366455842
- Accepts Medicare
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4644 Lincoln Blvd, Suite 111
Marina del Rey, CA 902926374
(310) 536-8200
fax (310) 536-8240 - Mailing address
-
4644 Lincoln Blvd., Suite 111
Marina del Rey, CA 902926374
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- October 3, 2013
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A41887
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366455842. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
769
Distinct HCPCS
8
Medicare allowed
$47,011
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 249 | 139 | $91 | |
36415 |
Insertion of needle into vein for collection of blood sample | 187 | 131 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 84 | 67 | $82 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 74 | 74 | $62 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 66 | 50 | $112 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 47 | 45 | $16 | |
90662 |
Influenza vaccine split virus, preservative free | 31 | 30 | $72 | |
G0008 |
Administration of influenza virus vaccine | 31 | 30 | $34 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 80. This provider delivers 9.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,529
Patients
475
Total drug cost
$26,247
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 242 | 81 | $3,303 |
| Losartan Potassium | Generic | 156 | 51 | $2,931 |
| Simvastatin | Generic | 146 | 47 | $2,488 |
| Levothyroxine Sodium | Generic | 145 | 41 | $3,090 |
| Amlodipine Besylate | Generic | 122 | 42 | $1,566 |
| Famotidine | Generic | 89 | 33 | $2,095 |
| Montelukast Sodium | Generic | 88 | 27 | $1,430 |
| Lorazepam | Generic | 84 | 20 | $446 |
| Metformin Hcl | Generic | 84 | 23 | $1,578 |
| Gabapentin | Generic | 78 | 20 | $2,609 |
Hospital affiliations
Frequently asked questions
What is Dr. William Lang's medical specialty?
Dr. William Lang practices Internal Medicine Physician in Marina del Rey, CA.
Where does Dr. William Lang practice?
Dr. William Lang practices at 4644 Lincoln Blvd, Marina del Rey, CA 902926374. Office phone: 3105368200.
What is Dr. William Lang's NPI?
Dr. William Lang's National Provider Identifier (NPI) is 1366455842, issued by NPPES.
Does Dr. William Lang accept Medicare assignment?
Yes. Dr. William Lang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Lang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.