NPPES file of Aug 9, 2026

Juan M. Calderon, M.D.

Endocrinology, Diabetes & Metabolism Physician · Chula Vista, CA

Juan M. Calderon, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Chula Vista, California, and NPI 1255365615, issued on Jul 10, 2006. Check the license (California A36093, 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
1255365615
Name
Juan M. Calderon
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A36093 CA
Self-reported in NPPES; status is on the state search
Practice location
340 4TH Ave Ste 12, Chula Vista, CA 91910
Phone
(619) 427-4426
Enumerated
Jul 10, 2006
Record last updated
Dec 20, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(619) 427-8208
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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Verify Juan M. Calderon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A36093
    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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Industry payments in 2024: $149.47

1 payment: food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Juan Calderon$149.47
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Juan M. Calderon among 1,131 endocrinology, diabetes & metabolism physician records in California

Juan M. Calderon, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2016 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Rajiv Roy, MDChula Vista, CA 919101437207214
  2. Maria Mercado, M.D.Chula Vista, CA 919111851335723
  3. Neelima Chu, M.D.La Mesa, CA 919421154407443
  4. Raymond Fink, M.D.La Mesa, CA 919421164414652
  5. Sandra Jassmann, MDLa Mesa, CA 919421376513168
  6. Jamil Alkhaddo, MDCarlsbad, CA 920111700966652
  7. Catherine Ekladios, MDEl Cajon, CA 920201467061309
  8. Lauren Vincent, M.D.El Cajon, CA 920201053757997

Common questions

What is Juan M. Calderon, M.D.'s NPI number?

Juan M. Calderon, M.D.'s National Provider Identifier (NPI) is 1255365615, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Juan M. Calderon, M.D. located?

The NPPES record lists a practice address at 340 4TH Ave Ste 12, Chula Vista, CA, 91910. Phone: (619) 427-4426. Providers update this record themselves, so call before visiting.

How can I verify Juan M. Calderon, M.D.'s license?

NPPES lists California license number A36093, 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.