NPPES file of Aug 9, 2026

Alexander L. Johnson, MD

Hospitalist Physician · Modesto, CA

Alexander L. Johnson, MD is a hospitalist physician with a practice address in Modesto, California, and NPI 1083049860, issued on Sep 11, 2013. Check the license (California A144149, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083049860
Name
Alexander L. Johnson
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A144149 CA
Self-reported in NPPES; status is on the state search
Practice location
600 Coffee RD, Modesto, CA 95355
Phone
(209) 524-1211
Enumerated
Sep 11, 2013
Record last updated
Oct 3, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161109002777); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 600 Coffee RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Abulaiti Adili, M.D.Hospitalist Physician1063839439
  2. David Adkins, MDHematology & Oncology Physician1104883644
  3. Lorenzo Aguilar, MDNeurology Physician1740481043
  4. Vaishali Ahire, M.D.Hospitalist Physician1134324262
  5. Mohammad Akmal, MDHospitalist Physician1649413667
  6. Amr Al-Bacil, MDCritical Care Medicine (Internal Medicine) Physician1538134374

Verify Alexander L. Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A144149
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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34% fewer Medicare Part D claims than the average hospitalist physician in 2024

346 Medicare Part D claims for 160 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Alexander Johnson346
  2. Specialty average521

Most prescribed

  1. Cefuroxime32 claims
  2. Atorvastatin Calcium21 claims
  3. Eliquis19 claims
  4. Furosemide14 claims
  5. Prednisone14 claims
  6. Pantoprazole Sodium13 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

  1. Sutter Valley Medical FoundationModesto, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexander L. Johnson among 3,099 hospitalist physician records in California

Alexander L. Johnson, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.

  • NPI issued2013 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2012 · median 2010 among the 2,505 with a school on file
  • Record last updated2016 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Christopher Anago, M.D.Modesto, CA 953551578529673
  2. Ricardo Brizuela, MDModesto, CA 953551174605224
  3. Sohail Gagan, M.D.Modesto, CA 953551821054594
  4. Samuel Ko, M.D.Modesto, CA 953551790826279
  5. Hien Le, MDModesto, CA 953551366408460
  6. Martin Lim, MDModesto, CA 953551558397588
  7. Abrar Mirza, MDModesto, CA 953551679530380
  8. Thong Nguyen, MDModesto, CA 953551912965096

Common questions

What is Alexander L. Johnson, MD's NPI number?

Alexander L. Johnson, MD's National Provider Identifier (NPI) is 1083049860, issued on Sep 11, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Alexander L. Johnson, MD located?

The NPPES record lists a practice address at 600 Coffee RD, Modesto, CA, 95355. Phone: (209) 524-1211. Providers update this record themselves, so call before visiting.

How can I verify Alexander L. Johnson, MD's license?

NPPES lists California license number A144149, 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 Alexander L. Johnson, MD prescribe under Medicare Part D?

In 2024, Alexander L. Johnson, MD had 346 Medicare Part D claims for 160 beneficiaries; the average among hospitalist physician prescribers was 521. 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.