Physician Profile
Unclaimed ProfileAbout LANG
William G. Lang, M.D. practices internal medicine in Marina Del Rey, CA. According to Medicare claims data, William cared for 489 Medicare patients across 631 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Lang?
Dr. Lang is an internal medicine in Marina Del Rey, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Lang's address?
Dr. Lang is listed at 4644 LINCOLN BLVD SUITE 111, Marina Del Rey, CA 90292. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Lang?
The number on file is (310) 536-8200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lang's NPI number?
Dr. Lang's National Provider Identifier is 1366455842. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Lang train?
Dr. Lang attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lang been practicing?
Dr. Lang has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lang perform?
According to Medicare billing data, Dr. Lang performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as x-ray of chest, 2 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lang. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (310) 536-8200
- Email not available
Practice Locations
4644 LINCOLN BLVD SUITE 111
Marina Del Rey, CA 90292
Procedures Most Often Billed to Medicare
631 services · 489 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
143 |
| X-ray of chest, 2 views | Imaging | 71046 |
14 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
23 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
21 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
20 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
184 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
81 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
62 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
42 |
| Administration of influenza virus vaccine | Billing code | G0008 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other internal medicines in Marina Del Rey 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.