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Dr. Lynn Lang, MD
NPI1942399050PAC ID8022092014
- Medicare services, 2024
- 16,698
- Medicare patients, 2024
- 147
- Part D claims, 2024
- 1,312
- Publications
- 1
- MIPS score, 2024
- 81
- Practice address
- 8403 N Fallbrook Ave, West Hills, CA 91304
- Practice phone
- Call (800) 877-2515
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
West Hills, California
Find Dr. Lang's professional email, personal email and mobile number
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Dr. Lynn Lang is a family medicine physician in West Hills, California
Dr. Lang practices at Quest Diagnostics in West Hills, California.
Dr. Lang's NPI, 1942399050, was assigned on October 12, 2006. Dr. Lang graduated from Harbin Medical University in 1982. Dr. Lang holds California license A68738.
NPI and contact details
- NPI
- 1942399050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022092014
- NPI enumeration date
- October 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 877-2515
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Lynn Lang practices at Quest Diagnostics in West Hills, California
Dr. Lang's primary practice is Quest Diagnostics, at 8403 N Fallbrook Ave, West Hills, CA 91304 in Los Angeles County. The practice phone is (800) 877-2515.
- Quest Diagnostics8403 N Fallbrook Ave, West Hills, CA 91304 · Los Angeles CountyPhone(800) 877-2515
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lynn Lang is affiliated with 2 sites of care
Dr. Lang's primary practice is Quest Diagnostics in West Hills, California. Dr. Lang is also affiliated with Adventist Health and Rideout.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lynn Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lynn Lang is one of 15,680 family medicine physicians in California
Family medicine is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Lang is board certified in family medicine by the American Board of Family Medicine. Dr. Lang is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, ADHD, aneurysm, arteritis, asthma and atrial fibrillation and flutter among the conditions Dr. Lang treats.
Family medicine physicians near Dr. Lang
Counts of family medicine physicians 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. Lynn Lang billed Medicare for 16,698 services in 2024
CMS data shows 16,698 Medicare services from Dr. Lang across 20 procedure codes in 2024, for 147 Medicare patients. Medicare paid $308,918 for them. Every service was in an office.
Medicare services, 202416,698
Medicare patients147
Paid by Medicare$308,918
Procedure codes20
Dr. Lang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,4702024: 14,749497%
- Office and hospital visits
- 2023: 1,0602024: 1,0283%
- Tests and treatments
- 2023: 5002024: 5224%
- Other services
- 2023: 2802024: 23118%
- Lab and pathology
- 2023: 1742024: 1683%
Dr. Lang compared with the California median for family medicine physicians, 2024
- Dr. Lang
- California median
- Medicare services
- 16,698vs 24667.9 times
- Medicare patients
- 147vs 11825% above
- Part D claims
- 884vs 8336% above
Medians across 15,349 family medicine physicians 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lang and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lynn Lang treated 147 Medicare patients in 2024, average age 75
CMS counts 147 Medicare patients who saw Dr. Lang in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 68, with 82% women.
Medicare patients, 2024147
Average age75
Average risk score1.06
Also on Medicaid10%
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
- Women11578%
- Men3222%
Chronic conditions among Dr. Lang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes69%
- Osteoporosis60%
- Ischemic heart disease40%
- Arthritis39%
- Asthma39%
- COPD31%
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 68
Patient panel by sex, all payers
- Women82%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lynn Lang wrote 1,312 Medicare Part D claims in 2024
In 2024, Dr. Lang wrote 1,312 Medicare Part D claims for 124 patients. 71% of them were for generic drugs. CMS names the drug for 884 of them, across 33 drugs with 11 or more claims each, at $259,594 in total drug cost. In 2023, CMS named 804 claims across 35 drugs.
Part D claims, 20241,312
Drugs named by CMS33
Total drug cost$259,594
Part D patients124
Dr. Lang's Part D claims by kind of drug, 2024
- Generic926 claims71%
- Brand-name375 claims29%
- Other11 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
- Opioids2%23 of 1,312 claims
- Antibiotics4%56 of 1,312 claims
- Antipsychotics, patients 65 and over3%40 of 1,312 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: 8042024: 88410%
Drugs named by CMS: 33 in 2024, 35 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. Lynn Lang scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Lang for performance year 2024, reported individually. Dr. Lang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lang's MIPS scores, performance year 2024
- 81of 100Final score
- 86.5of 100Quality
- 40of 100Improvement Activities
- 54of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lynn Lang has 1 publication on record
Dmand AI links 1 paper to Dr. Lang in 2017.
Papers1
Recent publications by Dr. Lang
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 family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lynn Lang received $18,973 in industry payments from 2016 to 2025
CMS Open Payments shows 1,145 general payments to Dr. Lang from 66 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $3,215.
General payments to Dr. Lang by program year, 2016 to 2025
General payments to Dr. Lang by kind, 2016 to 2025
$19Kin total
- Food and beverage$18,81099%
- Education$1631%
Companies that paid Dr. Lang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lynn 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. Lynn Lang graduated from Harbin Medical University
Dr. Lang graduated from Harbin Medical University in 1982.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Lynn Lang accepts plans from 8 insurance carriers
Dr. Lang is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Lang accepts, by number of carriers
- Medicare6
- PPO5
- EPO2
- HMO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Lynn 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 DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Lynn 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. Lynn Lang's NPI number?
Dr. Lynn Lang's NPI number is 1942399050. It was assigned on October 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lynn Lang?
Dr. Lynn Lang is a family medicine physician in West Hills, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Lynn Lang practice?
Dr. Lang practices at 8403 N Fallbrook Ave, West Hills, CA 91304. Dr. Lang's primary practice is Quest Diagnostics in West Hills, California.
What is Dr. Lynn Lang's office phone number?
The practice phone on file for Dr. Lang is (800) 877-2515.
What is Dr. Lynn Lang's medical license number?
Dr. Lang holds California license A68738.
Which hospitals is Dr. Lynn Lang affiliated with?
Dr. Lang is affiliated with Adventist Health and Rideout.
Does Dr. Lynn Lang accept Medicare?
Yes. CMS data shows Dr. Lang billed Medicare for 16,698 services in 2024, and Dr. Lang accepts Medicare assignment.
What is Dr. Lynn Lang's MIPS score?
Dr. Lang's MIPS final score for performance year 2024 is 81 out of 100, reported individually.
How many Medicare patients does Dr. Lynn Lang see?
CMS counts 147 Medicare patients who saw Dr. Lang in 2024, with an average age of 75.
Is Dr. Lynn Lang board certified?
Yes. Dr. Lang is board certified in family medicine by the American Board of Family Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Lynn Lang bill to Medicare?
In 2024, Dr. Lang's most billed Medicare services were injected or infused drug (J3111), injected or infused drug (J0897) and office visit, established patient (99215).
Where did Dr. Lynn Lang go to medical school?
Dr. Lang graduated from Harbin Medical University in 1982.
What drugs does Dr. Lynn Lang prescribe most?
In 2024 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Ozempic, Rosuvastatin Calcium and Montelukast Sodium.
Has Dr. Lynn Lang received payments from drug or device companies?
CMS Open Payments shows $18,973 in general payments to Dr. Lang from 66 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Lynn Lang been practicing?
Dr. Lang graduated from medical school in 1982, 44 years ago.
Does Dr. Lynn Lang do research?
Dmand AI links 1 publication to Dr. Lang.
What insurance does Dr. Lynn Lang accept?
Dr. Lang is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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