NPPES file of Aug 9, 2026

Irene Helen Sanchez-Esparza, MD

Internal Medicine Physician · Tehachapi, CA

Irene Helen Sanchez-Esparza, MD is an internal medicine physician with a practice address in Tehachapi, California, and NPI 1730228438, issued on Feb 6, 2007. Check the license (California A50850, 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
1730228438
Name
Irene Helen Sanchez-Esparza
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A50850 CA
Self-reported in NPPES; status is on the state search
Practice location
20960 Sage LN, Tehachapi, CA 93561
Phone
(661) 823-2273
Enumerated
Feb 6, 2007
Record last updated
Jan 20, 2023
Fax
(661) 823-2277
Medicaid ID
00A508500 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 20960 Sage LN

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

  1. Taiga Inoue, MD, MSInternal Medicine Physician1174051130
  2. Navpreet Kaur, FNPFamily Nurse Practitioner1124804349

Verify Irene Helen Sanchez-Esparza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A50850
    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

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Most of these Medicare Part D claims are vaccines, 75% of the cost of the top drugs

509 Medicare Part D claims for 160 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Irene Sanchez-Esparza509
  2. Specialty average3,176

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Atorvastatin Calcium37 claims
  2. Meloxicam35 claims
  3. Amlodipine Besylate30 claims
  4. Levothyroxine Sodium29 claims
  5. Metformin Hcl29 claims
  6. Shingrix21 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.

Irene Helen Sanchez-Esparza among 17,696 internal medicine physician records in California

Irene Helen Sanchez-Esparza, 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2023 · 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).

8 internal medicine physician records list a practice address in Tehachapi

They are 8 of the 365 NPPES records with a practice address in Tehachapi, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Taiga Inoue, MD, MSTehachapi, CA 935611174051130
  2. Mariana Revelo, MDTehachapi, CA 935611639171069
  3. Karandeep Singh, M.D.Tehachapi, CA 935611053715300
  4. Michael Vu, D.O.Tehachapi, CA 935611174725006
  5. Terry Warsaw, M.D.Tehachapi, CA 935611497801062
  6. Minu Ambika Rajendran, MDRidgecrest, CA 935551457912016
  7. Lawrence Cosner, MDRidgecrest, CA 935551851393813
  8. Kevin Flanigan, MDRidgecrest, CA 935551003987587

Common questions

What is Irene Helen Sanchez-Esparza, MD's NPI number?

Irene Helen Sanchez-Esparza, MD's National Provider Identifier (NPI) is 1730228438, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Irene Helen Sanchez-Esparza, MD located?

The NPPES record lists a practice address at 20960 Sage LN, Tehachapi, CA, 93561. Phone: (661) 823-2273. Providers update this record themselves, so call before visiting.

How can I verify Irene Helen Sanchez-Esparza, MD's license?

NPPES lists California license number A50850, 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 Irene Helen Sanchez-Esparza, MD prescribe under Medicare Part D?

In 2024, Irene Helen Sanchez-Esparza, MD had 509 Medicare Part D claims for 160 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.