Physician Profile
David M. Chang, M.D.
Unclaimed ProfileAbout Dr. Chang
David M. Chang, M.D. is a healthcare provider in San Diego, CA specializing in internal medicine. David trained at Geisel School of Medicine at Dartmouth, graduating in 1984. According to Medicare claims data, David cared for 705 Medicare patients across 2,456 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (619) 286-8803
- Email not available
Practice Locations
6699 ALVARADO RD STE 2309
San Diego, CA 92120
Conditions Commonly Evaluated or Treated
Within Internal 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
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
2,456 services · 705 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
42 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
87 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
34 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
16 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,360 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
613 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
196 |
| Administration of influenza virus vaccine | Billing code | G0008 |
92 |
| Administration of pneumococcal vaccine | Billing code | G0009 |
16 |
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.
Related specialists at this location 1
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.
Other internal medicines in San Diego 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Geisel School of Medicine at Dartmouth 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Geisel School of Medicine at Dartmouth 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 7
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is an internal medicine in San Diego, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 6699 ALVARADO RD STE 2309, San Diego, CA 92120. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chang's phone number?
The number on file is (619) 286-8803. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chang's NPI number?
Dr. Chang's National Provider Identifier is 1073596342. 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. Chang go to medical school?
Dr. Chang attended Geisel School of Medicine at Dartmouth, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chang been practicing?
Dr. Chang has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chang do most often?
According to Medicare billing data, Dr. Chang performs procedures including removal of impacted ear wax; provides treatments such as influenza vaccine split virus, preservative free and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.