Dr. John Kellogg is an allergist / immunologist treating patients near San Jose that suffer from allergies and other diseases affecting the immune system.


Reviews of Dr. Kellogg
Dr. Kellogg


See what patients are saying about Dr. Kellogg.





  • Recommends
  • Available
  • On Time
  • Friendly
  • Professional
  • Knowledgeable
  • Nice Office
  • Understandable
  • Reachable
  • Helpful Staff

I feel very privillaged to have Dr Kellogg as my physician because he is everything I could hope for in a Doctor: compassionate, excellent listener, and committed to finding resolutions to my health issues. All of the staff are very helpful and friendly. I feel very comfortable with the support I am receiving and recommend Dr Kellogg to anyone who might be reluctant to seek medical help. This is from a patient who is pretty much "dr" phobic. Virginia Luthman

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Office of Dr. Kellogg See Insurance
of Dr. Kellogg


South Bay Allergy and Asthma Group, Inc.  

Accepting New Patients?

Yes, Dr. John S. Kellogg is accepting new patients at this office.


(480) 286-1744


130 Bellerose Drive, San Jose, CA 95128-1729

Office Details

Doctor Specialties Allergy / Immunology & Internal Medicine
Accepting New Patients? Yes
Languages Spoken English

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Insurance Accepted  

  • Medicare

About Dr. Kellogg
Dr. Kellogg



Dr. John Kellogg graduated from Tulane University School of Medicine in 1993.

Dr. Kellogg has one office in California where he specializes in Allergy / Immunology and Internal Medicine.

Dr. Kellogg works with three doctors including Dr. Katharine Nelson and Dr. Theodore Chu.


Education & Training  

Medical School


Hospital Affiliations

  • O'connor Hospital
  • El Camino Hospital

Languages Spoken  

  • English

Dr. Kellogg's Medicare Fee‑for‑Service Data (2014)  

Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Kellogg, but only those who participate in Medicare.

  • Doctor participates in Medicare?: Yes 
  • Number of HCPCS Codes: 18 
  • Number of Services: 2463 
  • Medical Suppress Indicator:  
  • Number of HCPCS Associated With Medical Services: 18 
  • Number of Medical Services: 2463 
  • Number of Medicare Patients with Medical Services: 99 
  Medicare Patient Demographics
  • Total Number of Medicare Patients: 99 
  • Average Age of Medicare Patients: 71 
  • Number of Patients Under Age 65: 0 
  • Number of Patients Age 65 to 74: 49 
  • Number of Patients Age 75 to 84: 28 
  • Number of Patients Over Age 84: 0 
  • Number of Female Patients : 64 
  • Number of Male Patients: 35 
  • Number of Non-Hispanic White Patients: 78 
  • Number of Black or African American Patients: 0 
  • Number of Asian Pacific Islander Patients: 0 
  • Number of Hispanic Patients: 0 
  • Number of American Indian/Alaska Native Patients: 0 
  • Number of Patients with Race Not Elsewhere Classified: 0 
  • Number of Patients with Medicare Only Entitlement: 0 
  • Number of Patients with Medicare & Medicaid Entitlement: 0 
  Medicare Patient Condition Demographics
  • Percent of Patients with Atrial Fibrillation: 0% 
  • Percent of Patients with Alzheimer’s Disease or Dementia: 0% 
  • Percent of Patients with Asthma: 38% 
  • Percent of Patients with Cancer: 13% 
  • Percent of Patients with Heart Failure: 0% 
  • Percent of Patients with Chronic Kidney Disease: 14% 
  • Percent of Patients with Chronic Obstructive Pulmonary Disease: 15% 
  • Percent of Patients with Depression: 11% 
  • Percent of Patients with Diabetes: 25% 
  • Percent of Patients with Hyperlipidemia: 44% 
  • Percent of Patients with Hypertension (High Blood Pressure): 56% 
  • Percent of Patients with Ischemic Heart Disease: 19% 
  • Percent of Patients with Osteoporosis: 0% 
  • Percent of Patients with Rheumatoid Arthritis / Osteoarthritis: 30% 
  • Percent of Patients with Schizophrenia / Other Psychotic Disorders: 0% 
  • Percent of Patients with Stroke: 0% 
  Medicare Payments Data
  • Total Submitted Charge Amount: $123,857.00 
  • Total Medicare Allowed Amount: $56,788.58 
  • Total Medicare Payment Amount: $41,252.22 
  • Total Medicare Standardized Payment Amount: $33,052.05 
  • Total Medical Submitted Charge Amount: $123,857.00 
  • Total Medical Medicare Allowed Amount: $56,788.58 
  • Total Medical Medicare Payment Amount: $41,252.22 
  • Total Medical Medicare Standardized Payment Amount: $33,052.05 
  Medicare Prescription Drug Data
  • Drug Suppress Indicator: n/a 
  • Number of HCPCS Associated With Drug Services: 0 
  • Number of Drug Services: 0 
  • Number of Medicare Beneficiaries With Drug Services: 0 
  • Total Drug Submitted Charge Amount: $0.00 
  • Total Drug Medicare Allowed Amount: $0.00 
  • Total Drug Medicare Payment Amount: $0.00 
  • Total Drug Medicare Standardized Payment Amount: $0.00 
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