Physician Profile
Adriana Castillo, M.D.
Unclaimed ProfileAbout Dr. Castillo
Based in San Marcos, TX, Adriana Castillo, M.D. is listed in the NPI registry under family medicine. According to Medicare claims data, Adriana cared for 1,549 Medicare patients across 2,297 services. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and blood test, comprehensive group of blood chemicals.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (512) 396-1000
- Email not available
Practice Locations
601 LEAH AVE STE A
San Marcos, TX 78666
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
- High blood pressure
- High cholesterol
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
- Gout
- Heel pain
Neurologic and behavioral
- ADHD
- Anxiety
- Depression
- Insomnia
- Migraines
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
- Acne
- Eczema
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
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
- Blood Pressure Check
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
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
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
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
2,297 services · 1,549 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
66 | As often as other peers in Family Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
26 | As often as other peers in Family Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
22 | Less often than most peers in Family Medicine |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
200 | As often as other peers in Family Medicine |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
277 | 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 |
260 | More often than most peers in Family Medicine |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
242 | More often than most peers in Family Medicine |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
209 | More often than most peers in Family Medicine |
| Creatinine level to test for kidney function or muscle injury | Lab test | 82570 |
159 | More than most peers in Family Medicine |
| Urine microalbumin (protein) analysis | Lab test | 82044 |
159 | 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.
Related specialists at this location 6
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 family doctors in San Marcos 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
- Quest Diagnostics Clinical Laboratories INC
- Clinical Pathology Laboratories, INC.
- Quest Diagnostics Clinical Laboratories INC
- Laboratory Corporation of America
- Laboratory Corporation of America
- Lone Star Pathology PLLC
- Norman B Frankel Et Al Ptr Medical Clinic of Houston
- The University of Texas Southwestern Medical Center at Dallas
Common questions
What does Adriana Castillo specialize in?
Adriana Castillo is a family doctor in San Marcos, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Adriana Castillo located?
Adriana Castillo is listed at 601 Leah Ave Ste A, San Marcos, TX 78666. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Adriana Castillo's phone number?
The number on file is (512) 396-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Adriana Castillo's NPI number?
Adriana Castillo's National Provider Identifier is 1639580392. 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 Adriana Castillo train?
Adriana Castillo attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Adriana Castillo been practicing?
Adriana Castillo has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Adriana Castillo do most often?
According to Medicare billing data, Adriana Castillo performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage 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 Adriana Castillo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Adriana Castillo. 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.