Physician Profile
Jeffrey S. Thomas, M.D.
Unclaimed ProfileAbout Dr. Thomas
Jeffrey S. Thomas, M.D. practices internal medicine in Chico, CA. Jeffrey is a 1989 graduate of Geisel School of Medicine at Dartmouth. Medicare claims data shows Jeffrey provided 750 services to 536 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (530) 898-5241
- Email not available
Practice Locations
STUDENT HEALTH SERVICES 400 WEST FIRST STREET
Chico, CA 95929
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 in children
Cardiometabolic
- High Blood Pressure
- High Cholesterol
Digestive and liver
- Acid Reflux
- Fatty Liver Disease
- Irritable Bowel Syndrome
Endocrine, blood, and bone
- Gout
Infectious disease
- Shingles
Kidney and urinary
- Chronic Kidney Disease
- Enlarged Prostate
Respiratory
- Asthma
- Bronchitis
- COPD
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
- Alzheimer's disease
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
- Overactive Bladder and Leakage
Lungs & Breathing
- Sleep apnea
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
- Depression
- Migraines
Pain
- Back pain
Rheumatologic and pain
- Osteoarthritis
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 Review and Refills
- Post-Hospital Discharge Visit
Screening and diagnostic testing
- Child lung function test
- EKG Test
Bones & Joints
- Trigger Point Injections
Brain and nerves
- Epley Maneuver
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
- Tetanus shot
Lab tests
- Urine test for UTI
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Boil and abscess drainage
- Earwax Removal
- Freezing skin lesions
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking Cessation Counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
750 services · 536 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
349 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
117 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
96 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
82 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
73 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
17 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
16 |
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 internal medicines at this location 1
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.
Other internal medicines in Chico 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Geisel School of Medicine at Dartmouth 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Geisel School of Medicine at Dartmouth 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Thomas specialize in?
Dr. Thomas is an internal medicine in Chico, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Thomas located?
Dr. Thomas is listed at STUDENT HEALTH SERVICES 400 WEST FIRST STREET, Chico, CA 95929. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Thomas's phone number?
The number on file is (530) 898-5241. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Thomas?
Dr. Thomas's National Provider Identifier is 1174650691. 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 Dr. Thomas go to medical school?
Dr. Thomas attended Geisel School of Medicine at Dartmouth, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Thomas have?
Dr. Thomas has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Thomas do most often?
According to Medicare billing data, Dr. Thomas 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 Dr. Thomas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Thomas. 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.