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Edit this profileAt a glance
- 365 Lennon Ln, Suite 200, Walnut Creek, CA 94598
About Dr. Callister
Devin T. Callister, M.D. practices infectious disease in Walnut Creek, CA. Devin is also listed as specializing in student in an organized health care education program. Medicare claims data shows Devin provided 434 services to 219 patients. The services billed most often include follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth, telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth, and follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth. The provider's National Provider Identifier (NPI) is 1376856757.
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
- (925) 947-2334
- Email not available
Practice Locations
365 LENNON LN SUITE 200
Walnut Creek, CA 94598
Conditions Commonly Evaluated or Treated
Within Infectious Disease 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
Bacterial infections
- C. diff Infection
- Cat Scratch Fever
- Drug-Resistant Bacterial Infection
- Flesh-Eating Infection
- NTM lung infection
- Recurrent bacterial vaginosis
- Tick-Borne Infection
- Tuberculosis
Bones & joints
Cardiovascular
Digestive infections
Fungal infections
- Aspergillosis mold infection
- Chronic Yeast Infection
- Cryptococcal fungal infection
- Fungal lung infection
- Fungal sinus infection
- Valley fever
General symptoms
Neurological infections
Parasitic infections
Post-infection conditions
Respiratory infections
Sexually transmitted infections
Skin & soft tissue
- Cellulitis
- Diabetic Foot Infection
- Dog or Animal Bite Infection
- Non-Healing Wound Infection
- Post-surgery fever or infection
- Skin and soft-tissue abscess
Travel-related infections
Urinary tract
Viral infections
- Chronic Epstein-Barr virus reactivation
- Cytomegalovirus
- Hepatitis B
- Mononucleosis
- Mpox
- Shingles
- West Nile virus
Procedures & services
Most searched procedures
Allergy & immunology
Allergy & Pharmacology
Antiviral treatments
Consultation & second opinions
- Diabetic Foot Ulcer Debridement Consultation
- Infection Screening Before Biologics
- Post-Travel Illness Workup
- Pre-Chemotherapy Infection Clearance
- Pre-Transplant Infection Screening
- Prosthetic Hardware Infection Evaluation
- Second Opinion on Antibiotic Treatment
Diagnostic evaluations
- Chronic viral fatigue evaluation
- Medical parasite clearance evaluation
- Post-sepsis syndrome evaluation
- Sinus infection culture evaluation
- Unexplained fever workup
Diagnostics & screening
- Blood Culture Workup
- Fungal Blood Testing
- Immune System Workup for Frequent Infections
- Joint injection or aspiration
- Spinal Tap Infection Analysis
- Stool Parasite Testing
- TB Skin Test
- Tuberculosis Blood Test
- Wound Culture and Sensitivity
Gastrointestinal treatments
Infusions & Medications
Lab testing & monitoring
- Comprehensive STI screening panel
- HIV viral load monitoring
- Infectious diarrhea stool pathogen PCR panel
- Mold and environmental fungal testing
- Specialized Lyme disease confirmation testing
- Tropical disease blood work
Medication management
- Atypical Mycobacteria Treatment Plan
- Chronic Hepatitis B Medication Management
- Infected Central Line Removal Coordination
- Malaria Treatment
- Oral Antibiotic Step-Down Therapy
- Recurrent Shingles Suppression
- Syphilis Injections
- Systemic Antifungal Therapy
Prevention & Prophylaxis
Prevention & prophylaxis
- Emergency HIV Prevention (PEP)
- Needlestick Injury Evaluation
- Rabies Post-Exposure Shots
- Tick Bite Evaluation
Travel medicine
Procedures Most Often Billed to Medicare
434 services · 219 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth | Billing code | G0408 |
271 | More than most peers in Infectious Disease |
| Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth | Billing code | G0427 |
108 | More often than most peers in Infectious Disease |
| Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth | Billing code | G0407 |
37 | As often as other peers in Infectious Disease |
| Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth | Billing code | G0426 |
18 | As often as other peers in Infectious Disease |
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 infectious disease specialists at this location 8
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.
Other infectious disease specialists in Walnut Creek 2
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Devin T. Callister specialize in?
Devin T. Callister is an infectious disease specialist in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
Where is Devin T. Callister located?
Devin T. Callister is listed at 365 Lennon Ln Suite 200, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Devin T. Callister's phone number?
The number on file is (925) 947-2334. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Devin T. Callister?
Devin T. Callister's National Provider Identifier is 1376856757. 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 Devin T. Callister train?
Devin T. Callister attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Devin T. Callister have?
Devin T. Callister has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Devin T. Callister do most often?
According to Medicare billing data, Devin T. Callister the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Devin T. Callister's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Devin T. Callister. If this is you, claiming it is free.
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