Physician Profile
Tiffany L. Shay Alexander, M.D.
Unclaimed ProfileAbout Dr. Shay Alexander
Tiffany L. Shay Alexander, M.D. is a healthcare provider in Chula Vista, CA specializing in preventive medicine. Tiffany is also listed as specializing in occupational medicine. Medicare claims data shows Tiffany provided 851 services to 851 patients. The services billed most often include administration of influenza virus vaccine, sarscov2 vac 50 mcg/0.5ml im, and admn sarscov2 vacc 1 dose. This provider record is associated with NPI 1346253903.
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
- (619) 585-4050
- Email not available
Practice Locations
525 3RD AVE
Chula Vista, CA 91910
Conditions Commonly Evaluated or Treated
Within Preventive 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
Addiction & habits
Blood sugar
- Prediabetes
Bone & joint
Brain health
Cancer risk
- Family History Of Cancer
Digestive health
- Gut Health Issues
Environmental health
- Asbestos Exposure
- Heavy Metal Toxicity
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Workplace Chemical Exposure
General wellness
- Chronic Inflammation
Heart health
- Coronary artery disease
- Heart Disease Risk
- High blood pressure
- High cholesterol
- Poor Circulation
Hormones
- Hormone Imbalance
- Testosterone deficiency
- Underactive Thyroid
Kidney health
- Early Kidney Damage
Lifestyle & wellness
- Chronic fatigue
- Chronic Stress And Burnout
Liver & digestion
Longevity
- Accelerated Biological Aging
Metabolic health
Nutrition & deficiencies
- Iron-deficiency anemia
- Vitamin B12 deficiency
Nutrition & deficiency
- Food Intolerances And Sensitivities
- Vitamin D deficiency
Occupational health
- Asbestos and mineral dust exposure
- Shift Work Sleep Problems
- Work-Related Back Strain
Preventive care
Sexual health
- STI Risk And Exposure
Sleep health
Substance use
- Opioid use disorder
- Vaping And Nicotine Addiction
Travel health
- Travel-related Infection Risk
Weight & metabolism
- Insulin Resistance
- Metabolic syndrome
- Obesity
Workplace health
- Carpal tunnel
- Noise-Induced Hearing Damage
- Repetitive strain injury
- Work-related Injury
Procedures & services
Addiction & habits
- Alcohol Reduction Counseling
- Smoking cessation program
Cancer screening
- Cancer screening and prevention planning
- Low-dose CT lung cancer screening
- Mammogram Referral
- Pap smear
- Prostate cancer blood test
- Screening colonoscopy
- Skin cancer screening
Checkups & exams
- Annual Wellness Exam
- Executive Physical Exam
Environmental health
- Heavy Metal Blood Test
- Lead blood test
- Mold Toxicity Testing
Fitness & body composition
- DEXA Body Composition Scan
- VO2 Max Test
Heart health
Immunizations
- COVID-19 Booster
- Flu shot
- Hepatitis Screening And Vaccine
- HPV vaccine
- Pneumonia shot
- Routine Vaccines
- Tetanus shot
Lab tests
- Routine blood work
- STI Screening Panel
Lifestyle & wellness
- Exercise Prescription
- Medical nutrition therapy
- Mindfulness-based stress reduction
Longevity
- Biological Age Test
Metabolic health
- Continuous Glucose Monitor Prescription
Occupational health
- Return To Work Evaluation
Preventive imaging
- Abdominal Aortic Aneurysm Screening
- Full Body MRI Scan
Screening & labs
- Bone Density Scan Referral
- Cholesterol screening
- Diabetes and prediabetes screening
- Food Sensitivity Testing
- Genetic Health Risk Testing
- Heart Calcium Score
- Hormone Panel Testing
- Tuberculosis Blood Test
Sexual health
- PrEP prescription
Travel health
- Travel Vaccines And Consult
Weight & metabolism
- Weight Loss Injections and Medication
Workplace health
- DOT Physical Exam
- Ergonomic Workstation Evaluation
- Hearing Test For Work
- Pre-Employment Physical
- Respirator Fit Testing
- Return To Work Clearance
- Workplace Drug Test
Procedures Most Often Billed to Medicare
851 services · 851 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
179 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
179 |
| Influenza vaccine, inactivated | Treatment | 90653 |
170 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
58 |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
17 |
| Administration of influenza virus vaccine | Billing code | G0008 |
248 |
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 preventive medicines at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 13 related providers in 2 groups
Class of 1997 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Sarscov2 vac 50 mcg/0.5ml im 5
Providers in CA who bill this service to Medicare most often.
Common questions
What is Tiffany L. Shay Alexander's specialty?
Tiffany L. Shay Alexander is a preventive medicine in Chula Vista, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Tiffany L. Shay Alexander?
Tiffany L. Shay Alexander is listed at 525 3Rd Ave, Chula Vista, CA 91910. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Tiffany L. Shay Alexander?
The number on file is (619) 585-4050. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Tiffany L. Shay Alexander?
Tiffany L. Shay Alexander's National Provider Identifier is 1346253903. 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
What is Tiffany L. Shay Alexander's education?
Tiffany L. Shay Alexander attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Tiffany L. Shay Alexander have?
Tiffany L. Shay Alexander has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Tiffany L. Shay Alexander known for?
According to Medicare billing data, Tiffany L. Shay Alexander provides treatments such as sarscov2 vac 50 mcg/0.5ml im and admn sarscov2 vacc 1 dose. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Tiffany L. Shay Alexander's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Tiffany L. Shay Alexander. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.