Dr. Gustav S. Smith, MD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 11,272
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Smith's professional email, personal email and mobile number
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Dr. Gustav S. Smith is a family medicine physician in Fontana, California
Dr. Smith practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Smith's NPI, 1376866442, was assigned on March 3, 2010. Dr. Smith graduated from Loma Linda University School Of Medicine in 2007. Dr. Smith holds California license A108436.
- NPI
- 1376866442NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345372181
- NPI enumeration date
- March 3, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gustav S. Smith practices at Fontana Medical Center in Fontana, California
Dr. Smith's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Gustav S. Smith is affiliated with 1 site of care and 1 medical group
Dr. Smith's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gustav S. Smith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smith practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gustav S. Smith is one of 15,680 family medicine physicians in California
Family medicine is Dr. Smith's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Smith is board certified in family medicine by the American Board of Family Medicine. Dr. Smith is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists fibromyalgia and chronic pain and neck pain and spine problems among the conditions Dr. Smith treats.
Family medicine physicians near Dr. Smith
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gustav S. Smith treated 11 Medicare patients in 2024, average age 58
CMS counts 11 Medicare patients who saw Dr. Smith in 2024. The largest group is 75 to 84, with 0 patients. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Smith's median patient age at 54, with 62% women.
Dr. Smith's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Smith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gustav S. Smith wrote 11,272 Medicare Part D claims in 2024
In 2024, Dr. Smith wrote 11,272 Medicare Part D claims for 834 patients. 89% of them were for generic drugs. CMS names the drug for 10,640 of them, across 151 drugs with 11 or more claims each, at $405,594 in total drug cost. In 2023, CMS named 9,855 claims across 142 drugs.
Dr. Smith's Part D claims by kind of drug, 2024
- Generic10,046 claims89%
- Brand-name1,038 claims9%
- Other188 claims2%
Dr. Smith's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Smith's Part D claims, 2024
- Opioids11%1,193 of 11,272 claims
- Antibiotics2%194 of 11,272 claims
- Antipsychotics, patients 65 and over0%33 of 11,272 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,8552024: 10,6408%
Drugs named by CMS: 151 in 2024, 142 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gustav S. Smith offers telehealth to Medicare patients
Dr. Smith accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Smith as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gustav S. Smith has 1 award and honors on record
Dmand AI lists 1 award for Dr. Smith, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Smith
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Gustav S. Smith graduated from Loma Linda University School Of Medicine
Dr. Smith graduated from Loma Linda University School Of Medicine in 2007.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Gustav S. Smith accepts plans from 2 insurance carriers
Dr. Smith is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Smith accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gustav S. Smith's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gustav S. Smith
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gustav S. Smith's NPI number?
Dr. Gustav S. Smith's NPI number is 1376866442. It was assigned on March 3, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Gustav S. Smith?
Dr. Gustav S. Smith is a family medicine physician in Fontana, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gustav S. Smith practice?
Dr. Smith practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Smith's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Gustav S. Smith's office phone number?
The practice phone on file for Dr. Smith is (909) 427-5000.
What is Dr. Gustav S. Smith's medical license number?
Dr. Smith holds California license A108436.
Which hospitals is Dr. Gustav S. Smith affiliated with?
Dr. Smith practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Gustav S. Smith part of?
Dr. Smith is linked to Southern California Permanente Medical Group.
Does Dr. Gustav S. Smith accept Medicare?
Yes. CMS lists Dr. Smith as accepting Medicare assignment.
Does Dr. Gustav S. Smith offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Smith as offering telehealth services.
How many Medicare patients does Dr. Gustav S. Smith see?
CMS counts 11 Medicare patients who saw Dr. Smith in 2024, with an average age of 58.
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Is Dr. Gustav S. Smith board certified?
Yes. Dr. Smith is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Gustav S. Smith go to medical school?
Dr. Smith graduated from Loma Linda University School Of Medicine in 2007.
What drugs does Dr. Gustav S. Smith prescribe most?
In 2024 Medicare Part D data, Dr. Smith's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Amlodipine Besylate.
How long has Dr. Gustav S. Smith been practicing?
Dr. Smith graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Gustav S. Smith accept?
Dr. Smith is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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