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Edit this profileAt a glance
- 33077 Alvarado Niles Rd, Union City, CA 94587
About Dr. Nguyen
Tam T. Nguyen, M.D. practices family medicine in Union City, CA. Tam is a 2005 graduate of Pennsylvania State University College of Medicine. Medicare claims data shows Tam provided 4,248 services to 2,534 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and advance care planning, first 30 minutes. The provider's National Provider Identifier (NPI) is 1093929697.
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
- (510) 248-1018
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
33077 ALVARADO NILES RD
Union City, CA 94587
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
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
Most searched conditions
Cardiometabolic
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Addiction & habits
Bladder & bowel
Breathing
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
Fitness & body composition
Foot and Leg Pain
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
Preventive and evaluation
Preventive Care
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
Sleep Health
Travel Health
Travel medicine
Urgent Care Procedures
Wellness
Wellness & Screening
Wellness & Weight
Women's Health
Workplace health
Wound care
Wounds & skin
Sleep
Most searched procedures
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Pain Management
Respiratory
Senior Care
Sexual & Reproductive Health
Procedures Most Often Billed to Medicare
4,248 services · 2,534 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
22 | As often as other peers in Family Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
142 | More often than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
113 | More than most peers in Family Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
87 | More than most peers in Family Medicine |
| Hepatitis b vaccine, adult dosage (3 dose schedule) | Treatment | 90746 |
45 | More often than most peers in Family Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
40 | More often than most peers in Family Medicine |
| Administration of psychological or neuropsychological test, first 30 minutes | Treatment | 96136 |
29 | As often as other peers in Family Medicine |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
961 | As often as other peers in Family Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
112 | 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 |
875 | More 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.
Other family doctors at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other family doctors in Union City 8
Same specialty, same city.
Trained at Pennsylvania State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Pennsylvania State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Tam T. Nguyen specialize in?
Tam T. Nguyen is a family doctor in Union City, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Tam T. Nguyen located?
Tam T. Nguyen is listed at 33077 Alvarado Niles Rd, Union City, CA 94587. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Tam T. Nguyen's phone number?
The number on file is (510) 248-1018. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Tam T. Nguyen?
Tam T. Nguyen's National Provider Identifier is 1093929697. 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 Tam T. Nguyen train?
Tam T. Nguyen attended Pennsylvania State University College of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Tam T. Nguyen have?
Tam T. Nguyen has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Tam T. Nguyen do most often?
According to Medicare billing data, Tam T. Nguyen performs procedures including aspiration and/or injection of fluid from large joint; provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Tam T. Nguyen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Tam T. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.