NPPES file of Aug 9, 2026

Nancy Carole Showen, M.D.

Pediatrics Physician · Oakland, CA

Nancy Carole Showen, M.D. is a pediatrics physician with a practice address in Oakland, California, and NPI 1104902287, issued on Oct 31, 2006. Check the license (California GO76759, 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
1104902287
Name
Nancy Carole Showen
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
GO76759 CA
Self-reported in NPPES; status is on the state search
Practice location
747 52ND St, Oakland, CA 94609
Phone
(510) 428-3000
Enumerated
Oct 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 747 52ND St

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

  1. Karida AdetoroStudent in an Organized Health Care Education/Training Program1003647199
  2. Maryam Afshar, MDPediatrics Physician1194081786
  3. Pallavi Agarwal, MD, MBBSPediatrics Physician1710595053
  4. Anurag Agrawal, MDPediatric Hematology & Oncology Physician1346485026
  5. Javier AguayoStudent in an Organized Health Care Education/Training Program1104527316
  6. Monica AguilarStudent in an Organized Health Care Education/Training Program1770276990

Verify Nancy Carole Showen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license GO76759
    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: $26.51

1 payment: food and beverage; the largest payer was Ipsen Biopharmaceuticals, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nancy Showen$26.51
  2. Specialty average$842.05

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

Nancy Carole Showen among 9,272 pediatrics physician records in California

Nancy Carole Showen, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 56% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2007 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

338 pediatrics physician records list a practice address in Oakland

They are 338 of the 18,558 NPPES records with a practice address in Oakland, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Sara Buckelew, MDOakland, CA 946091841250750
  2. Edward Chu, M.D.Oakland, CA 946091952329054
  3. Donald Fones, MDOakland, CA 946091497715379
  4. Doris GeeOakland, CA 946091801839535
  5. Rachel Gilgoff, M.D.Oakland, CA 946091609852284
  6. Elio Gizzi, MDOakland, CA 946091326065046
  7. Denise Lenoir, FNPOakland, CA 946091497702138
  8. Michael Linn, MDOakland, CA 946091821058793

Common questions

What is Nancy Carole Showen, M.D.'s NPI number?

Nancy Carole Showen, M.D.'s National Provider Identifier (NPI) is 1104902287, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Carole Showen, M.D. located?

The NPPES record lists a practice address at 747 52ND St, Oakland, CA, 94609. Phone: (510) 428-3000. Providers update this record themselves, so call before visiting.

How can I verify Nancy Carole Showen, M.D.'s license?

NPPES lists California license number GO76759, 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.