NPPES file of Aug 9, 2026

Dionisio A. Fernandes, MD

Allergy Physician · San Leandro, CA

Dionisio A. Fernandes, MD is an allergy physician with a practice address in San Leandro, California, and NPI 1285691121, issued on Apr 26, 2006. Check the license (California A29416, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1285691121
Name
Dionisio A. Fernandes
Credential
MD
Primary taxonomy
Allergy Physician 207KA0200X
License number
A29416 CA
Self-reported in NPPES; status is on the state search
Practice location
13847 E 14TH St., San Leandro, CA 94578
Phone
(510) 352-8585
Enumerated
Apr 26, 2006
Record last updated
Oct 25, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(510) 352-8644
Medicaid IDs
GR0066330 CA
GR0066331 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.
Download card Updates feed

Verify Dionisio A. Fernandes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A29416
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Allergy Physician providers in California

There are 157 allergy physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other allergy physician records in California

  1. Shilpi Anand, M.D.Walnut Creek, CA1871556605
  2. Paula Ardron, MDBakersfield, CA1851468789
  3. Tania Aung, M.D.Vacaville, CA1760654263
  4. Julia Bae, MDBakersfield, CA1821169897
  5. Jeffrey Balduzzi, M.D.Stockton, CA1235405952
  6. Lori Banka, D.O.Torrance, CA1235419342
  7. Gillian Bassirpour, MDAliso Viejo, CA1811216765
  8. Maxine Baum, M.D.Los Angeles, CA1568689594
  9. Malik Baz, M.D.Fresno, CA1114923307
  10. William Berger, M.D.Mission Viejo, CA1538260583

Common questions

What is Dionisio A. Fernandes, MD's NPI number?

Dionisio A. Fernandes, MD's National Provider Identifier (NPI) is 1285691121, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dionisio A. Fernandes, MD located?

The NPPES record lists a practice address at 13847 E 14TH St., San Leandro, CA, 94578. Phone: (510) 352-8585. Providers update this record themselves, so call before visiting.

How can I verify Dionisio A. Fernandes, MD's license?

NPPES lists California license number A29416, 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. 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.