Are you Gustavo Marks, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 22030 Sherman Way Ste 318, Canoga Park, CA 91303
About Dr. Marks
Gustavo Marks, M.D. is a healthcare provider in Canoga Park, CA specializing in family medicine. Medicare claims data shows Gustavo provided 741 services to 424 patients. The services billed most often include chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1740373315.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (818) 999-5900
- Email not available
Practice Locations
22030 SHERMAN WAY STE 318
Canoga Park, CA 91303
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Bariatrics
- Severe Obesity
Cancer Prevention
Cancer risk
Digestive
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Wounds & skin
- Severe skin tears
Most searched conditions
Cardiometabolic
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Addiction & habits
Bladder & bowel
- Skin barrier and rash care for incontinence
Breathing
- Nebulizer Breathing Treatment Training
Cancer Screening
Cancer screening
Checkups & exams
Chronic illness
Diagnostic testing
Diagnostic Tests
- COVID-19 Rapid Test
- COVID-19 testing
- Rapid Flu Swab
- Rapid Strep and Flu Swabs
- Urine Pregnancy Test
- Urine Drug Screen
Diagnostics & screening
Environmental health
Exams
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Fitness & body composition
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Heart & circulation
Immunizations
Infection & Microbiology Tests
- Colon cancer screening consult
- STI and STD Screening
- H. Pylori Breath Test
Lifestyle & Prevention
Longevity
Lower endoscopy
Metabolic health
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational health
Occupational Health
Office procedures
- Minor laceration repair
- Removal of a minor skin lesion
- Superficial foreign-body removal
- Earwax removal
- Incision and drainage of an abscess
Post-Op Care
- Surgical Staple Removal
Preventive and evaluation
Preventive Care
- Chronic Illness Checkup
- Travel Vaccines And Consult
- Routine Vaccines
Preventive imaging
Preventive interventions
- Vaccinations and immunizations
- Weight-management counseling
- Birth control counseling
- Smoking cessation counseling
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
Screening and testing
- Blood pressure screening
- Diabetes and prediabetes screening
- Point-of-care laboratory testing
- Cholesterol screening
- Depression screening
- EKG
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
Travel Health
Travel medicine
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness
Wellness & Screening
Wellness & Weight
- Weight Management Consult
Women's Health
Workplace health
Wound care
- Suture and Staple Removal
Wounds & skin
- Bedsore staging and treatment
- Wound dressing and care
Sleep
Most searched procedures
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Pain Management
- Joint injections
Respiratory
Senior Care
Sexual & Reproductive Health
Procedures Most Often Billed to Medicare
741 services · 424 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
29 | Less often than most peers in Family Medicine |
| Ultrasound scan of abdominal aorta | Imaging | 76706 |
38 | More often than most peers in Family Medicine |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
52 | More often than most peers in Family Medicine |
| Evaluation of psychological test, first hour | Treatment | 96130 |
38 | As often as other peers in Family Medicine |
| Evaluation and testing for balance with recording | Treatment | 92540 |
38 | Too few peers to compare |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
33 | Less often than most peers in Family Medicine |
| Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month | Office visit | 99491 |
255 | More often than most peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
140 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
53 | As often as other peers in Family Medicine |
| Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month. | Office visit | 99424 |
45 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 11 related providers in 2 groups
Other family doctors in Canoga Park 3
Same specialty, same city.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Gustavo Marks specialize in?
Gustavo Marks is a family doctor in Canoga Park, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Gustavo Marks located?
Gustavo Marks is listed at 22030 Sherman Way Ste 318, Canoga Park, CA 91303. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gustavo Marks's phone number?
The number on file is (818) 999-5900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gustavo Marks?
Gustavo Marks's National Provider Identifier is 1740373315. 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
How much experience does Gustavo Marks have?
Gustavo Marks has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Gustavo Marks do most often?
According to Medicare billing data, Gustavo Marks performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance; reads or performs imaging such as ultrasound scan of abdominal aorta; provides treatments such as ultrasound study of arm and leg arteries and evaluation of psychological test, first hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gustavo Marks's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gustavo Marks. If this is you, claiming it is free.
Guide.md
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