R I Med J (2013)
EndocarditisEndocarditis, Non-InfectiveIschemic Stroke
Dr. William G. Lang, MD
NPI1366455842PAC ID7618935263
- Medicare services, 2024
- 631
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 3,775
- Publications
- 15
- Hospital affiliations
- 3
- Practice address
- 4676 Admiralty Way, Marina Del Rey, CA 90292
- Practice phone
- Call (310) 385-3200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cedars-Sinai Medical Care Foundation
Marina Del Rey, California
Find Dr. Lang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William G. Lang is an internist in Marina Del Rey, California
Dr. Lang practices at Cedars-Sinai Medical Care Foundation in Marina Del Rey, California.
Dr. Lang's NPI, 1366455842, was assigned on August 14, 2006. Dr. Lang graduated from Universidad Autonoma de Guadalajara in 1982. Dr. Lang holds California license A41887.
NPI and contact details
- NPI
- 1366455842NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618935263
- NPI enumeration date
- August 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 385-3200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William G. Lang practices at Cedars-Sinai Medical Care Foundation in Marina Del Rey, California
Dr. Lang's primary practice is Cedars-Sinai Medical Care Foundation, at 4676 Admiralty Way, Marina Del Rey, CA 90292 in Los Angeles County. The practice phone is (310) 385-3200.
- Cedars-Sinai Medical Care Foundation4676 Admiralty Way, Marina Del Rey, CA 90292 · Los Angeles CountyPhone(310) 385-3200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William G. Lang is affiliated with 6 sites of care and 1 medical group
Dr. Lang's primary practice is Cedars-Sinai Medical Care Foundation in Marina Del Rey, California. Dr. Lang is also affiliated with Cedars-Sinai Marina Hospital. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Lang to 2 more hospitals, 1 physician office and 1 group practice or clinic, each named with a free account.
Cedars-Sinai Medical Care FoundationPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William G. Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lang practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cedars-Sinai Medical Care Foundation | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. William G. Lang is one of 16,751 internists in California
Internal medicine is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lang is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lang is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, ADHD, alzheimer's disease, aneurysm, anxiety, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Lang treats.
Internists near Dr. Lang
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William G. Lang billed Medicare for 631 services in 2024
CMS data shows 631 Medicare services from Dr. Lang across 11 procedure codes in 2024, for 164 Medicare patients. Medicare paid $30,724 for them. Every service was in an office.
Medicare services, 2024631
Medicare patients164
Paid by Medicare$30,724
Procedure codes11
Dr. Lang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3992024: 28828%
- Surgery
- 2023: 1872024: 14324%
- Other services
- 2023: 1052024: 12216%
- Tests and treatments
- 2023: 782024: 6418%
- Imaging
- 2023: 02024: 14
Dr. Lang compared with the California median for internists, 2024
- Dr. Lang
- California median
- Medicare services
- 631vs 36175% above
- Medicare patients
- 164vs 1519% above
- Part D claims
- 3,064vs 4217.3 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Lang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lang and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William G. Lang treated 164 Medicare patients in 2024, average age 75
CMS counts 164 Medicare patients who saw Dr. Lang in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 71, with 55% women.
Medicare patients, 2024164
Average age75
Average risk score1.37
Also on Medicaid9%
Dr. Lang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lang's Medicare patients by sex, 2024
- Women7646%
- Men8854%
Chronic conditions among Dr. Lang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease35%
- Diabetes34%
- Anxiety30%
- Chronic kidney disease26%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William G. Lang wrote 3,775 Medicare Part D claims in 2024
In 2024, Dr. Lang wrote 3,775 Medicare Part D claims for 349 patients. 87% of them were for generic drugs. CMS names the drug for 3,064 of them, across 81 drugs with 11 or more claims each, at $197,397 in total drug cost. In 2023, CMS named 3,074 claims across 88 drugs.
Part D claims, 20243,775
Drugs named by CMS81
Total drug cost$197,397
Part D patients349
Dr. Lang's Part D claims by kind of drug, 2024
- Generic3,300 claims87%
- Brand-name444 claims12%
- Other31 claims1%
Dr. Lang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lang's Part D claims, 2024
- Opioids3%108 of 3,775 claims
- Antibiotics1%54 of 3,775 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,0742024: 3,064No change
Drugs named by CMS: 81 in 2024, 88 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William G. Lang offers telehealth to Medicare patients
Dr. Lang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William G. Lang has 15 publications on record
Dmand AI links 15 papers to Dr. Lang, published from 2015 to 2021. The most frequent topics are Education, Pharmacy, Advisory Committees and Schools, Pharmacy. Dr. Lang has published most often in Am J Pharm Educ. Dr. Lang's most frequent co-authors are David Ross Garr, MD, Suleman Ilyas, MD and Philip H. Stockwell, MD.
Papers15
Years published2015 to 2021
Topics Dr. Lang writes about most
- Education, Pharmacy
- Advisory Committees
- Schools, Pharmacy
- Societies, Pharmaceutical
- Faculty
- Annual Reports as Topic
- Consumer Advocacy
- Public Policy
Dr. Lang's most frequent co-authors
- David Ross Garr, MD1 shared paper
- Suleman Ilyas, MD1 shared paper
- Philip H. Stockwell, MD1 shared paper
Recent publications by Dr. Lang
Annual Reports as TopicHealth Services AccessibilityPatient Advocacy
Advisory CommitteesDelivery of Health CareEducation, Pharmacy
Consumer AdvocacyEducation, PharmacyQuality Improvement
See who Dr. Lang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lang works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William G. Lang received $20,641 in industry payments in 2017
CMS Open Payments shows 6 general payments to Dr. Lang from 2 drug and device companies in 2017. Consulting fees make up the largest share, 100% of the total. Horizon Pharma plc paid the most, $20,625.
General payments to Dr. Lang by kind, 2017 to 2017
$20.6Kin total
- Consulting fees$20,625100%
- Food and beverage$160%
Companies that paid Dr. Lang the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William G. Lang has 1 award and honors on record
Dmand AI lists 1 award for Dr. Lang, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Lang
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. William G. Lang graduated from Universidad Autonoma de Guadalajara
Dr. Lang graduated from Universidad Autonoma de Guadalajara in 1982.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. William G. Lang accepts plans from 15 insurance carriers
Dr. Lang is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Lang accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. William G. Lang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William G. Lang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William G. Lang's NPI number?
Dr. William G. Lang's NPI number is 1366455842. It was assigned on August 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William G. Lang?
Dr. William G. Lang is an internist in Marina Del Rey, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William G. Lang practice?
Dr. Lang practices at 4676 Admiralty Way, Marina Del Rey, CA 90292. Dr. Lang's primary practice is Cedars-Sinai Medical Care Foundation in Marina Del Rey, California. Dmand AI also links Dr. Lang to 2 hospitals, 1 physician office and 1 group practice or clinic.
What is Dr. William G. Lang's office phone number?
The practice phone on file for Dr. Lang is (310) 385-3200.
What is Dr. William G. Lang's medical license number?
Dr. Lang holds California license A41887.
Which hospitals is Dr. William G. Lang affiliated with?
Dr. Lang is affiliated with Cedars-Sinai Marina Hospital. Dmand AI links Dr. Lang to 2 more hospitals.
What medical group is Dr. William G. Lang part of?
Dr. Lang is linked to Cedars-Sinai Medical Group.
Does Dr. William G. Lang accept Medicare?
Yes. CMS data shows Dr. Lang billed Medicare for 631 services in 2024, and Dr. Lang accepts Medicare assignment.
Does Dr. William G. Lang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lang as offering telehealth services.
How many Medicare patients does Dr. William G. Lang see?
CMS counts 164 Medicare patients who saw Dr. Lang in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. William G. Lang board certified?
Yes. Dr. Lang is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. William G. Lang bill to Medicare?
In 2024, Dr. Lang's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G0439).
Where did Dr. William G. Lang go to medical school?
Dr. Lang graduated from Universidad Autonoma de Guadalajara in 1982.
What drugs does Dr. William G. Lang prescribe most?
In 2024 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. William G. Lang received payments from drug or device companies?
CMS Open Payments shows $20,641 in general payments to Dr. Lang from 2 companies from 2017 to 2017. The largest total came from Horizon Pharma plc.
How long has Dr. William G. Lang been practicing?
Dr. Lang graduated from medical school in 1982, 44 years ago.
Does Dr. William G. Lang do research?
Dmand AI links 15 publications to Dr. Lang, published from 2015 to 2021.
Who does Dr. William G. Lang publish with?
Dr. Lang's most frequent co-authors are David Ross Garr, MD (1 shared paper), Suleman Ilyas, MD (1 shared paper) and Philip H. Stockwell, MD (1 shared paper).
What insurance does Dr. William G. Lang accept?
Dr. Lang is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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