NPPES file of Aug 9, 2026

Marissa R. Bartlett, MD

Pediatrics Physician · Fairfield, CA

Marissa R. Bartlett, MD is a pediatrics physician with a practice address in Fairfield, California, and NPI 1659443489, issued on Nov 15, 2006. Check the license (California G62648, 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
1659443489
Name
Marissa R. Bartlett
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
G62648 CA
Self-reported in NPPES; status is on the state search
Practice location
1550 Gateway Blvd, Fairfield, CA 94533
Phone
(707) 427-4000
Enumerated
Nov 15, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G626480 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 1550 Gateway Blvd

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

  1. Folasade Adesina, PHARM DPharmacist1457883761
  2. Syamala Aiyar, MDPediatrics Physician1760560593
  3. Ruthan Arca, RPHPharmacist1437680162
  4. Irwin Barr, MDInternal Medicine Physician1659450799
  5. Jaime Betters, R.D.Registered Dietitian1861559460
  6. Douglas Brozell, MDFamily Medicine Physician1871645002

Verify Marissa R. Bartlett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G62648
    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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32 pediatrics physician records list a practice address in Fairfield

They are 32 of the 3,595 NPPES records with a practice address in Fairfield, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in California

  1. Subha Aahlad, M.D.Foster City, CA1780610253
  2. Rebecca Aaronson, MDPanorama City, CA1487746814
  3. Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
  4. Michelle Abajian, MDLa Canada, CA1619176757
  5. Joseph Abapo, MDRiverside, CA1841348786
  6. Zvart Abaryan, MDLos Angeles, CA1154940849
  7. Lauren Abbas, MDLos Angeles, CA1982163796
  8. Attia Abbasi, M.D.Auburn, CA1922027127
  9. Denise AbbasiParadise, CA1770062341
  10. Alexandra Abbott, MDPalo Alto, CA1760018675

Common questions

What is Marissa R. Bartlett, MD's NPI number?

Marissa R. Bartlett, MD's National Provider Identifier (NPI) is 1659443489, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marissa R. Bartlett, MD located?

The NPPES record lists a practice address at 1550 Gateway Blvd, Fairfield, CA, 94533. Phone: (707) 427-4000. Providers update this record themselves, so call before visiting.

How can I verify Marissa R. Bartlett, MD's license?

NPPES lists California license number G62648, 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.