Steven J. Gustaveson, MD
Internal Medicine Physician · Madera, CA
Steven J. Gustaveson, MD is an internal medicine physician with a practice address in Madera, California, and NPI 1598777559, issued on Aug 11, 2006. Check the license (California A49993, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven J. Gustaveson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A49993 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 W 4TH St, Madera, CA 93637
- Phone
- (559) 662-2705
- Enumerated
- Aug 11, 2006
- Record last updated
- Mar 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (559) 673-1588
- Medicaid IDs
- GR0068140 CA
1699004044 CA - Medicare enrollment
- Enrolled (PECOS I20081218000003); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1111 W 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven J. Gustaveson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49993Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,799 Medicare Part D claims for 157 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 74 claims were for opioids.
Most prescribed
- Amlodipine Besylate131 claims
- Carvedilol105 claims
- Pravastatin Sodium102 claims
- Levothyroxine Sodium96 claims
- Losartan Potassium92 claims
- Atorvastatin Calcium68 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $483.40
15 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Advanced Internal Medicine Associates IncMadera, CA
- Community Health PartnersMadera, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven J. Gustaveson among 17,696 internal medicine physician records in California
Steven J. Gustaveson, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1991 · median 2004 among the 11,065 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Madera → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammad Ashraf, MDMadera, CA 936371881616159
- Simrat Batth, M.D.Madera, CA 936371245979194
- Tahir Hassan, M.DMadera, CA 936371346228780
- Sohaila Mojadaddi, MDMadera, CA 936371447354733
- Allan Nassar, MDMadera, CA 936371033129135
- Robert Nguyen, MDMadera, CA 936371780660704
- Amritpal Pannu, MDMadera, CA 936371306837927
- Satwant Samrao, MDMadera, CA 936371326142688
Common questions
What is Steven J. Gustaveson, MD's NPI number?
Steven J. Gustaveson, MD's National Provider Identifier (NPI) is 1598777559, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven J. Gustaveson, MD located?
The NPPES record lists a practice address at 1111 W 4TH St, Madera, CA, 93637. Phone: (559) 662-2705. Providers update this record themselves, so call before visiting.
How can I verify Steven J. Gustaveson, MD's license?
NPPES lists California license number A49993, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven J. Gustaveson, MD prescribe under Medicare Part D?
In 2024, Steven J. Gustaveson, MD had 2,799 Medicare Part D claims for 157 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.