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Edit this profileAt a glance
- 1300 Spring Street, Suite 122, Silver Spring, MD 20910
About Dr. Major
Mark A. Major, M.D. practices family medicine in Silver Spring, MD. Mark is a 2004 graduate of Howard University College of Medicine. Mark is also listed as specializing in urgent care clinic. Medicare claims data shows Mark provided 3,897 services to 1,465 patients. The services billed most often include detection test by nucleic acid for organism, amplified probe technique, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and detection test for candida species (yeast), amplified probe technique. The provider's National Provider Identifier (NPI) is 1407032485.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (301) 585-1833
- Email not available
Practice Locations
1300 SPRING STREET SUITE 122
Silver Spring, MD 20910
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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
Senior Care
Sexual & Reproductive Health
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
3,897 services · 1,465 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
80 | More than most peers in Family Medicine |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
37 | As often as other peers in Family Medicine |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
25 | Less often than most peers in Family Medicine |
| Detection test by nucleic acid for organism, amplified probe technique | Lab test | 87798 |
1,898 | More than most 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 |
503 | More than most peers in Family Medicine |
| Detection test for candida species (yeast), amplified probe technique | Lab test | 87481 |
290 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
195 | As often as other peers in Family Medicine |
| Detection test by nucleic acid for staphylococcus aureus, methicillin resistant (mrsa bacteria), amplified probe technique | Lab test | 87641 |
146 | Too few peers to compare |
| Detection test by nucleic acid for vancomycin resistance strep (vre), amplified probe technique | Lab test | 87500 |
146 | Too few peers to compare |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
133 | More often than most peers in Family Medicine |
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.
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.
Other family doctors in Silver Spring 8
Same specialty, same city.
Trained at Howard University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2004 at Howard University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Mark A. Major specialize in?
Mark A. Major is a family doctor in Silver Spring, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Mark A. Major located?
Mark A. Major is listed at 1300 Spring Street Suite 122, Silver Spring, MD 20910. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark A. Major's phone number?
The number on file is (301) 585-1833. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark A. Major?
Mark A. Major's National Provider Identifier is 1407032485. 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 Mark A. Major train?
Mark A. Major attended Howard University College of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark A. Major have?
Mark A. Major has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Mark A. Major do most often?
According to Medicare billing data, Mark A. Major provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound study of arm and leg arteries, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark A. Major's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark A. Major. If this is you, claiming it is free.
Guide.md
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