John Landefeld, MD
Internal Medicine Physician · Sacramento, CA
John Landefeld, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1366896441, issued on Apr 14, 2016. Check the license (California A153938, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Landefeld
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A153938 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4600 Broadway, Sacramento, CA 95820
- Phone
- (916) 874-9670
- Enumerated
- Apr 14, 2016
- Record last updated
- Sep 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191113002191); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4600 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pamela Abdali, PHNCommunity Health Registered Nurse1033292370
- Shakila AbdulRegistered Nurse1801769872
- Judith Aimable, RNRegistered Nurse1386493039
- Sayeda Akhter, CDICommunity Health Worker1619280211
- Kassandra Alcala, ACSWClinical Social Worker1750166013
- Christy Alexander-Perez, PHARM D.Pharmacist1275747230
Verify John Landefeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
58 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of 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.
Bills Medicare through one group practice
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Landefeld among 17,696 internal medicine physician records in California
John Landefeld, 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 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 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).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carl Bourne, M.D.Sacramento, CA 958201386720787
- Lisandra Franco, MDSacramento, CA 958201619358199
- Adam Greenberg, MDSacramento, CA 958201407866288
- Amanda Kamali, MDSacramento, CA 958201548478951
- Bryan Lee, M.D.Sacramento, CA 958201386801330
- Soucheun Saechao, DOSacramento, CA 958201134379761
- Erin Sanchez, M.D.Sacramento, CA 958201861668626
- Farah ShaheenSacramento, CA 958201013319722
Common questions
What is John Landefeld, MD's NPI number?
John Landefeld, MD's National Provider Identifier (NPI) is 1366896441, issued on Apr 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is John Landefeld, MD located?
The NPPES record lists a practice address at 4600 Broadway, Sacramento, CA, 95820. Phone: (916) 874-9670. Providers update this record themselves, so call before visiting.
How can I verify John Landefeld, MD's license?
NPPES lists California license number A153938, 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 John Landefeld, MD prescribe under Medicare Part D?
In 2024, John Landefeld, MD had 58 Medicare Part D claims for 14 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.