Alexandro Marquez, MD, MPH
Critical Care Medicine (Internal Medicine) Physician · Sacramento, CA
Alexandro Marquez, MD, MPH is a critical care medicine (internal medicine) physician with a practice address in Sacramento, California, and NPI 1881270601, issued on Mar 22, 2021. Check the license (California A193700, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexandro Marquez
- Credential
- MD, MPH
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A193700 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4301 X St, Sacramento, CA 95817
- Phone
- (329) 840-0282
- Enumerated
- Mar 22, 2021
- Record last updated
- Jul 12, 2024
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 4301 X St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexandro Marquez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
244 Medicare Part D claims for 65 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium27 claims
- Gabapentin18 claims
- Losartan Potassium12 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.
Alexandro Marquez among 723 critical care medicine (internal medicine) physician records in California
Alexandro Marquez, MD, MPH is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Sacramento → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Jason Adams, M.D.Sacramento, CA 958171134367568
- Timothy Albertson, MD, PHD, MPHSacramento, CA 958171184607236
- Katyayini Aribindi, M.D.Sacramento, CA 958171902338122
- Hugh Black, MDSacramento, CA 958171376523498
- Andrew Chan, MBSacramento, CA 958171114902426
- Nicholas Kenyon, M.D.Sacramento, CA 958171689657512
- John Millar, M.D.Sacramento, CA 958171023092871
- Reika MiyokawaSacramento, CA 958171619408333
Common questions
What is Alexandro Marquez, MD, MPH's NPI number?
Alexandro Marquez, MD, MPH's National Provider Identifier (NPI) is 1881270601, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alexandro Marquez, MD, MPH located?
The NPPES record lists a practice address at 4301 X St, Sacramento, CA, 95817. Phone: (329) 840-0282. Providers update this record themselves, so call before visiting.
How can I verify Alexandro Marquez, MD, MPH's license?
NPPES lists California license number A193700, 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 Alexandro Marquez, MD, MPH prescribe under Medicare Part D?
In 2024, Alexandro Marquez, MD, MPH had 244 Medicare Part D claims for 65 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.