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Edit this profileAt a glance
- 295 Oconnor Dr, San Jose, CA 95128
About Dr. Cahn
David A. Cahn, MD is a healthcare provider in San Jose, CA specializing in family practice. David trained at Jefferson Medical College of Thomas Jefferson University, graduating in 1989. David is also listed as specializing in specialist. Medicare claims data shows David provided 1,754 services to 630 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, injection of drug or substance under skin or into muscle, and administration of influenza virus vaccine. This provider record is associated with NPI 1689762205.
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
- (408) 279-0548
- Email not available
Practice Locations
295 OCONNOR DR
San Jose, CA 95128
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
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
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
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
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
Procedures Most Often Billed to Medicare
1,754 services · 630 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
180 | More often than most peers in Family Practice |
| Influenza vaccine, inactivated | Treatment | 90653 |
88 | More often than most peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
40 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,150 | More than most peers in Family Practice |
| Administration of influenza virus vaccine | Billing code | G0008 |
97 | More often than most peers in Family Practice |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
51 | Less often than most peers in Family Practice |
| Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allo | Billing code | G0181 |
44 | As often as other peers in Family Practice |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
24 | Less often than most peers in Family Practice |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
22 | Less often than most peers in Family Practice |
| Transitional care management services for problem of high complexity | Office visit | 99496 |
16 | Less often than most peers in Family Practice |
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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in San Jose 8
Same specialty, same city.
Trained at Jefferson Medical College of Thomas Jefferson University 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1989 at Jefferson Medical College of Thomas Jefferson University 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Cahn specialize in?
Dr. Cahn is a family practice in San Jose, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Cahn located?
Dr. Cahn is listed at 295 Oconnor Dr, San Jose, CA 95128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Cahn's phone number?
The number on file is (408) 279-0548. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Cahn?
Dr. Cahn's National Provider Identifier is 1689762205. 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 Dr. Cahn go to medical school?
Dr. Cahn attended Jefferson Medical College of Thomas Jefferson University, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Cahn have?
Dr. Cahn has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Cahn do most often?
According to Medicare billing data, Dr. Cahn provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Cahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cahn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.