NPPES file of Aug 9, 2026

Lerzan Tunali Madenci, M.D.

Internal Medicine Physician · Santa Maria, CA

Lerzan Tunali Madenci, M.D. is an internal medicine physician with a practice address in Santa Maria, California, and NPI 1659504181, issued on Sep 1, 2009. Check the license (California A108763, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659504181
Name
Lerzan Tunali Madenci
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A108763 CA
Self-reported in NPPES; status is on the state search
Practice location
1400 East Church Street, Santa Maria, CA 93454
Phone
(805) 878-6134
Enumerated
Sep 1, 2009
Record last updated
Sep 1, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180109003343); accepts Medicare assignment
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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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 1400 East Church Street

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

  1. Ashley Bridges, PA-CPhysician Assistant1780088328
  2. Brian Crisp, M.D.Obstetrics & Gynecology Physician1861446262
  3. Ricardo Flores, MDPediatric Pulmonology Physician1790769479
  4. Richard McClaflin, MDFamily Medicine Physician1912939075

Verify Lerzan Tunali Madenci in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A108763    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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Bills Medicare through one group practice

  1. Arizona Inpatient Medicine Associates LLCTucson, AZ

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

Lerzan Tunali Madenci among 17,696 internal medicine physician records in California

Lerzan Tunali Madenci, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.

  • NPI issued2009 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1992 · median 2004 among the 11,065 with a school on file
  • Record last updated2009 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Santa Maria → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Elena Agafonova, M.D.Santa Maria, CA 934541558757666
  2. Mohammad Arain, M.D.Santa Maria, CA 934541639167158
  3. Nicandro Castaneda, M.D.Santa Maria, CA 934541578595245
  4. Yosef Diab, MDSanta Maria, CA 934541053948026
  5. Hugh Hatfield, M. D.Santa Maria, CA 934541356360218
  6. Albert Hawkins, MDSanta Maria, CA 934541588664478
  7. Siri Atma Khalsa, MDSanta Maria, CA 934541073701785
  8. Ahmad Nooristani, M.D.Santa Maria, CA 934541659537306

Common questions

What is Lerzan Tunali Madenci, M.D.'s NPI number?

Lerzan Tunali Madenci, M.D.'s National Provider Identifier (NPI) is 1659504181, issued on Sep 1, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lerzan Tunali Madenci, M.D. located?

The NPPES record lists a practice address at 1400 East Church Street, Santa Maria, CA, 93454. Phone: (805) 878-6134. Providers update this record themselves, so call before visiting.

How can I verify Lerzan Tunali Madenci, M.D.'s license?

NPPES lists California license number A108763, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.