NPPES file of Aug 9, 2026

Alejandro Enrique Ramirez, M.D.

Anesthesiology Physician · Orange, CA

Alejandro Enrique Ramirez, M.D. is an anesthesiology physician with a practice address in Orange, California, and NPI 1922029453, issued on Jul 21, 2006. Check the license (California G59398, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922029453
Name
Alejandro Enrique Ramirez
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G59398 CA
Self-reported in NPPES; status is on the state search
Practice location
1100 W Stewart Dr, Orange, CA 92868
Phone
(714) 633-9111
Enumerated
Jul 21, 2006
Record last updated
Feb 19, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(714) 744-8695
Medicaid ID
00G593980 CA
Medicare enrollment
Enrolled (PECOS I20100928000332); 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 1100 W Stewart Dr

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

  1. Matthew Abrishamian, MDEmergency Medicine Physician1720516743
  2. Christie Aiello, FNP-BCFamily Nurse Practitioner1972976744
  3. Azita Alipour, PHARM.D.Psychiatric Pharmacist1982835401
  4. Allison Alix, WHNPWomen's Health Nurse Practitioner1396269403
  5. Roger Arakaki, M.D.Anesthesiology Physician1003836990
  6. Shadi Aramesh, MDPsychiatry Physician1326487091

Verify Alejandro Enrique Ramirez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G59398
    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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Bills Medicare through one group practice

  1. Allied Anesthesia Medical Group IncOrange, CA

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

Alejandro Enrique Ramirez among 7,571 anesthesiology physician records in California

Alejandro Enrique Ramirez, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1985 · median 2006 among the 4,868 with a school on file
  • Record last updated2015 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

267 anesthesiology physician records list a practice address in Orange

They are 267 of the 13,245 NPPES records with a practice address in Orange, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Brandon Abeyta, MDOrange, CA 928681841291804
  2. Angela Azar, MDOrange, CA 928681164494274
  3. Jonathan Cohen, M.D.Orange, CA 928681184691867
  4. Ralph Da Graca, MDOrange, CA 928681861430456
  5. Scott Engwall, MDOrange, CA 928681851378392
  6. Sheree Hsu, M.D.Orange, CA 928681265499032
  7. Brian Levine, MDOrange, CA 928681629032891
  8. Ingrid Manz, CRNAOrange, CA 928681578501417

Common questions

What is Alejandro Enrique Ramirez, M.D.'s NPI number?

Alejandro Enrique Ramirez, M.D.'s National Provider Identifier (NPI) is 1922029453, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alejandro Enrique Ramirez, M.D. located?

The NPPES record lists a practice address at 1100 W Stewart Dr, Orange, CA, 92868. Phone: (714) 633-9111. Providers update this record themselves, so call before visiting.

How can I verify Alejandro Enrique Ramirez, M.D.'s license?

NPPES lists California license number G59398, 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.

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.