NPPES file of Aug 9, 2026

Mark B. Davenport, M.D.

Family Medicine Physician · Fullerton, CA

Mark B. Davenport, M.D. is a family medicine physician with a practice address in Fullerton, California, and NPI 1679569636, issued on Sep 26, 2005. Check the license (California A40119, 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
1679569636
Name
Mark B. Davenport
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A40119 CA
Self-reported in NPPES; status is on the state search
Practice location
1835 Sunny Crest Dr, Fullerton, CA 92835
Phone
(714) 446-5101
Enumerated
Sep 26, 2005
Record last updated
Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100504000541); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1835 Sunny Crest Dr

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

  1. Christopher Aou, DOFamily Medicine Physician1164422671
  2. Mailyn Avila, LCSWClinical Social Worker1942636360
  3. Jinhwan Bae, MDFamily Medicine Physician1942943410
  4. Ariana Berta, LCSWClinical Social Worker1497595367
  5. Julie Fortune, M.S.Marriage & Family Therapist1376685974
  6. Jennifer Fuentes, N.P.Family Nurse Practitioner1992906465

Verify Mark B. Davenport in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A40119
    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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2.7 times the Medicare Part D claims of the average family medicine physician in 2024

9,502 Medicare Part D claims for 1,033 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 197 claims were for opioids.

  1. Mark Davenport9,502
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium526 claims
  2. Levothyroxine Sodium403 claims
  3. Lisinopril376 claims
  4. Amlodipine Besylate365 claims
  5. Simvastatin270 claims
  6. Metformin Hcl241 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.

Bills Medicare through one group practice

  1. Providence Medical FoundationFullerton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

35 family medicine physician records list a practice address in Fullerton

They are 35 of the 5,437 NPPES records with a practice address in Fullerton, and 17,133 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Mark B. Davenport, M.D.'s NPI number?

Mark B. Davenport, M.D.'s National Provider Identifier (NPI) is 1679569636, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark B. Davenport, M.D. located?

The NPPES record lists a practice address at 1835 Sunny Crest Dr, Fullerton, CA, 92835. Phone: (714) 446-5101. Providers update this record themselves, so call before visiting.

How can I verify Mark B. Davenport, M.D.'s license?

NPPES lists California license number A40119, 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 Mark B. Davenport, M.D. prescribe under Medicare Part D?

In 2024, Mark B. Davenport, M.D. had 9,502 Medicare Part D claims for 1,033 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.