Dr. Gregory Scott Lang, MD
- Medicare services, 2018
- 2,036
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 884
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lang's professional email, personal email and mobile number
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Dr. Gregory Scott Lang is a urologist in Fontana, California
Dr. Lang practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Lang's NPI, 1447367669, was assigned on August 24, 2006. Dr. Lang graduated from Loma Linda University School Of Medicine in 1989. Dr. Lang holds California license G708680.
- NPI
- 1447367669NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678674421
- NPI enumeration date
- August 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Scott Lang practices at Fontana Medical Center in Fontana, California
Dr. Lang's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Gregory Scott Lang is affiliated with 2 sites of care and 1 medical group
Dr. Lang's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. Dr. Lang is also affiliated with Oroville Hospital. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Scott Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | 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. Gregory Scott Lang is one of 1,395 urologists in California
Urology is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Lang is board certified in urology by the American Board of Urology. Dr. Lang is licensed in California.
Specialties and state licenses
- Urology, CaliforniaPrimary
Clinical focus
Dmand AI lists urinary endoscopy among the conditions Dr. Lang treats.
Urologists near Dr. Lang
Counts of urologists 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. Gregory Scott Lang billed Medicare for 2,036 services in 2018
CMS data shows 2,036 Medicare services from Dr. Lang across 22 procedure codes in 2018, for 19 Medicare patients. Medicare paid $95,937 for them.
Dr. Lang's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 3,0082018: 1,34955%
- Surgery
- 2017: 1,0022018: 30669%
- Imaging
- 2017: 7432018: 20173%
- Lab and pathology
- 2017: 1,6412018: 16590%
- Tests and treatments
- 2017: 2332018: 1594%
- Drugs given in the office
- 2017: 6,3092018: 0100%
Where Dr. Lang's Medicare services took place, 2018
- In an office1,88392%
- In a facility1538%
Dr. Lang compared with the California median for urologists, 2018
- Dr. Lang
- California median
- Medicare services
- 2,036vs 1,05094% above
- Medicare patients
- 19vs 34695% below
- Part D claims
- 778vs 64221% above
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Lang's most billed Medicare procedure codes, 2018
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 urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Scott Lang treated 19 Medicare patients in 2024, average age 72
CMS counts 19 Medicare patients who saw Dr. Lang in 2024. 58% of them have high blood pressure. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 67, with 29% women.
Chronic conditions among Dr. Lang's Medicare patients, 2024
- High blood pressure58%
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 67
Patient panel by sex, all payers
- Women29%
- Men71%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Scott Lang wrote 884 Medicare Part D claims in 2024
In 2024, Dr. Lang wrote 884 Medicare Part D claims for 315 patients. 93% of them were for generic drugs. CMS names the drug for 778 of them, across 17 drugs with 11 or more claims each, at $36,290 in total drug cost. In 2023, CMS named 715 claims across 14 drugs.
Dr. Lang's Part D claims by kind of drug, 2024
- Generic820 claims93%
- Brand-name and other64 claims7%
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%21 of 884 claims
- Antibiotics23%201 of 884 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: 7152024: 7789%
Drugs named by CMS: 17 in 2024, 14 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
How Dr. Gregory Scott Lang takes part in Medicare
Dr. Lang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Scott Lang has 1 publication on record
Dmand AI links 1 paper to Dr. Lang.
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 urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Scott Lang received $1,902 in industry payments from 2016 to 2018
CMS Open Payments shows 79 general payments to Dr. Lang from 15 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 82% of the total. Astellas Pharma US Inc paid the most, $806.
General payments to Dr. Lang by program year, 2016 to 2018
General payments to Dr. Lang by kind, 2016 to 2018
- Food and beverage$1,56982%
- Education$33418%
Companies that paid Dr. Lang the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Scott Lang graduated from Loma Linda University School Of Medicine
Dr. Lang graduated from Loma Linda University School Of Medicine in 1989.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Gregory Scott Lang accepts plans from 7 insurance carriers
Dr. Lang is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Aetna and Kaiser Permanente. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Aetna
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Lang accepts, by number of carriers
- Medicare6
- PPO5
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Scott 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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) |
| 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. Gregory Scott 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. Gregory Scott Lang's NPI number?
Dr. Gregory Scott Lang's NPI number is 1447367669. It was assigned on August 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Scott Lang?
Dr. Gregory Scott Lang is a urologist in Fontana, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Gregory Scott Lang practice?
Dr. Lang practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Lang's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Gregory Scott Lang's office phone number?
The practice phone on file for Dr. Lang is (909) 427-5000.
What is Dr. Gregory Scott Lang's medical license number?
Dr. Lang holds California license G708680.
Which hospitals is Dr. Gregory Scott Lang affiliated with?
Dr. Lang practices at Fontana Medical Center in Fontana, California. Dr. Lang is also affiliated with Oroville Hospital.
What medical group is Dr. Gregory Scott Lang part of?
Dr. Lang is linked to Southern California Permanente Medical Group.
Does Dr. Gregory Scott Lang accept Medicare?
Yes. CMS data shows Dr. Lang billed Medicare for 2,036 services in 2018, and Dr. Lang accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Scott Lang see?
CMS counts 19 Medicare patients who saw Dr. Lang in 2024, with an average age of 72.
Is Dr. Gregory Scott Lang board certified?
Yes. Dr. Lang is board certified in urology by the American Board of Urology.
Show 7 more questionsShow fewer questions
What services does Dr. Gregory Scott Lang bill to Medicare?
In 2018, Dr. Lang's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and ultrasound (76856).
Where did Dr. Gregory Scott Lang go to medical school?
Dr. Lang graduated from Loma Linda University School Of Medicine in 1989.
What drugs does Dr. Gregory Scott Lang prescribe most?
In 2024 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Ciprofloxacin HCl.
Has Dr. Gregory Scott Lang received payments from drug or device companies?
CMS Open Payments shows $1,902 in general payments to Dr. Lang from 15 companies from 2016 to 2018. The largest total came from Astellas Pharma US Inc.
How long has Dr. Gregory Scott Lang been practicing?
Dr. Lang graduated from medical school in 1989, 37 years ago.
Does Dr. Gregory Scott Lang do research?
Dmand AI links 1 publication to Dr. Lang.
What insurance does Dr. Gregory Scott Lang accept?
Dr. Lang is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Aetna and Kaiser Permanente. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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