Physician Profile
Calixto B. Zaldivar, M.D.
Unclaimed ProfileAbout Dr. Zaldivar
Calixto B. Zaldivar, M.D. is a healthcare provider in Gainesville, FL specializing in internal medicine. Calixto is also listed as specializing in specialist. According to Medicare claims data, Calixto cared for 2,053 Medicare patients across 4,134 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. This provider record is associated with NPI 1972658292.
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
- (352) 332-3893
- Email not available
Practice Locations
6500 W NEWBERRY RD
Gainesville, FL 32605
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
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
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
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
4,134 services · 2,053 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
1,598 | More than most peers in Internal Medicine |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
755 | More often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
673 | More than most peers in Internal Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
419 | More often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
356 | More often than most peers in Internal Medicine |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
84 | More often than most peers in Internal Medicine |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
73 | As often as other peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
69 | More often than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
60 | As often as other peers in Internal Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
20 | Less often than most peers in Internal 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 internists at this location 5
Same specialty, same street address — most likely the same department or group.
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.
More connections — 30 related providers in 4 groups
Other internists in Gainesville 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in FL who bill this service to Medicare most often.
Common questions
What is Calixto B. Zaldivar's specialty?
Calixto B. Zaldivar is an internist in Gainesville, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Calixto B. Zaldivar?
Calixto B. Zaldivar is listed at 6500 W Newberry Rd, Gainesville, FL 32605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Calixto B. Zaldivar?
The number on file is (352) 332-3893. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Calixto B. Zaldivar's NPI number?
Calixto B. Zaldivar's National Provider Identifier is 1972658292. 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 Calixto B. Zaldivar's education?
Calixto B. Zaldivar attended Other, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Calixto B. Zaldivar been practicing?
Calixto B. Zaldivar has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What is Calixto B. Zaldivar known for?
According to Medicare billing data, Calixto B. Zaldivar provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Calixto B. Zaldivar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Calixto B. Zaldivar. If this is you, claiming it is free.
Guide.md
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